Price: $21.66

4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long

Item # SP-212275

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Product Images

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universal group trailer suspension components leaf springs sp-212275
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In Use/Installed

trailer suspension universal group leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
trailer suspension universal group components double eye springs sp-212275
trailer suspension universal group leaf spring double eye springs in use
trailer suspension universal group components leaf springs in use
trailer suspension universal group components leaf springs sp-212275

Customer Photos

universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
universal group trailer suspension components leaf springs sp-212275
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
universal group trailer suspension components leaf springs sp-212275
universal group trailer suspension components leaf springs in use
universal group trailer suspension leaf spring double eye springs in use
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs sp-212275
universal group trailer suspension leaf spring springs 4-leaf double-eye for 3 500-lb axles - 25-1/8 inch long
universal group trailer suspension leaf spring springs sp-212275

  • Leaf Springs
  • Double Eye Springs
  • Leaf Spring Suspension
  • Suspension Components
  • 25-1/8 Inch Long
  • 3500 lbs
  • Universal Group
Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 3,500-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter. Lowest Prices for the best trailer suspension from Universal Group. 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long part number SP-212275 can be ordered online at etrailer.com or call 800-298-8924 for expert service.



Universal Group Trailer Suspension - SP-212275

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 3,500-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.


Features:

  • Leaf spring acts as part of your trailer's suspension system
    • Provides attachment point for your trailer's axle
  • Multiple leaves allow flexibility to absorb road shock
    • Allows for a smooth ride
    • Reduces wear and tear on trailer
    • Ensures level ride on bumpy and uneven surfaces
  • Sturdy steel construction
  • Nylon bushings included
  • Pre-mounted hangers or aftermarket hanger kit (sold separately) required for installation
    • Spring attaches to hanger mounted on trailer frame at one end
    • Other end connects to shackle straps suspended from hanger or equalizer


Specs:

  • Quantity: 1 leaf spring
  • Spring capacity: 1,750 lbs
  • Axle capacity: 3,500 lbs
  • Length from center of spring eye to center of spring eye: 25-1/8"
  • Spring width: 1-3/4"
  • Eye diameter with bushing: 9/16"
    • Eye diameter without bushing: 11/16"
  • Leaf thickness: 5/16"
  • Number of leaves: 4
  • Additional dimensions: see table


Double-Eye Spring

Part NumberABCD
SP-21227512-9/16"13-3/16"25-1/8"3-1/4"


Note: To ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs.


Leaf springs are an integral part of your trailer suspension system. The leaf springs provide the attachment points for your trailer's axle, suspending it from the frame of your trailer. Each spring flexes to absorb road shock as you travel, allowing the axle to move somewhat independently of the rest of your trailer. This helps to reduce wear and tear on the trailer and also ensures a smooth ride.


Double-eye leaf springs attach to hangers that are welded onto your trailer. One end of this spring will attach directly to the hanger with a suspension bolt. The other end will attach to shackle straps that are suspended from a hanger. These straps allow the spring to move and pivot so that it can better compensate for uneven pavement. If you have a tandem- or triple-axle trailer, the shackle straps will be attached to the equalizer that connects multiple springs.


To mount this spring, you will need hangers, shackle straps, and suspension bolts. If you are simply replacing a spring, you may still have hangers welded onto your trailer. You should, however, replace your shackle straps because they are usually the first component to wear out. You may choose to replace old suspension bolts as well. It is recommended that you replace the other leaf spring in your setup at the same time. Because springs can sag and elongate as they wear, this new spring may not exactly match the old one, and the alignment of your trailer could be affected.


If you are fabricating a trailer, you will need to purchase a hanger kit for installation. To determine the type of hanger kit that you need, you must know the specific type of leaf spring that you have, as well as your axle capacity. Depending on the hanger kits used with them, springs can be configured to work for single-, tandem- or triple-axle applications. Hangers and other suspension components can also be purchased separately if there isn't a complete kit that works for your setup.



UNA-212 Universal Group Double Eye Trailer Leaf Spring - 4 Leaf - 1,750-lb Capacity

Replaces PR4B







Economy - This item

4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long


4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long
Universal Group Trailer Suspension

281 reviews

Code: SP-212275


Our Price: $21.66


  • Trailer Suspension
  • Leaf Spring Suspension
  • Suspension Components
  • 25-1/8 Inch Long
  • Leaf Springs
  • 3500 lbs
  • Double Eye Springs
  • Universal Group


Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 3,500-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

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Video of 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long


Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.




Video Transcript for Universal Group Trailer Suspension SP-212275 Review

Today, we are going to be taking a look at the 4-leaf double-eye spring for 3,500 pound trailer axles. This is made from a strong, durable steel construction. It's going to flex to absorb road shock and provide a smooth ride. It's also going to reduce wear and tear on your trailer. It's going to ensure a level ride on bumpy and uneven surfaces. It's going to mount to the trailer frame with hangers or a hanger kit. Those items are sold separately.

If you are in need of something like that, you can find it right here at etrailer.com. It does include your nylon bushings. One located on each eye, or inside of each eye. The number of leaves that this contains is going to be 4. The spring width is very easy to get. You just measure from outer edge to outer edge.

For this one, we are looking at 1 3/4 of an inch. The spring capacity is 1,750 pounds. This is designed for 3,500 pound trailer axles. The spring length is measuring from the center of one eye to the center of the other. For this particular one, taking a look at that measurement, center on center, we are looking at about 25 1/4 of an inch.

Measuring from the center of one eye to the middle of the spring, that's going to be 12 5/8 of an inch. Then, the spring height, if we take a measurement, basically what I'm going to do is create a straight line from center of eye to center of eye. Then, I'm going to take a measurement from the middle top of the spring to that straight line, and that's going to give us a spring height of around 3 inches. Now, please keep in mind that to ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs. That's going to do it for today's look at the 4-leaf double-eye spring for 3,500 pound trailer axles.


Customer Reviews

4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/8" Long - SP-212275

Average Customer Rating:  4.9 out of 5 stars   (281 Customer Reviews)

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 3,500-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

- SP-212275

by: Ray C.08/01/2016


Looks like HD Quality. Easy install and perfect fit. I replaced all four on my tandem and it took about 30 minutes per side to install. Now getting the 25 year old original parts off the trailer frame and axles is a chapter in its self. I ordered the Never Fail bushings and hardware kit, u-bolt kit, along with new equalizers to go with the new springs. Good thing too because every thing was worn badly. The new parts gave me at least 2 more inches of space between the frame and the axles. The true test will be when I load it up with logs and hit the road. I added some pics to give you an idea of what I had before and 1 after. 277951



- SP-212275

by: Scott R.01/17/2011


Positive Experience I recommend etrailer. the price was better than I'd seen locally or online, although it happens that the size and type I needed was a particularly good deal. The service and shipping were surprisingly prompt, and when the box arrived, everything was as advertised. While replacing four leaf springs is about as much fun as shopping for socks, etrailer at least made ordering a positive experience. I actually found the video helpful as well. I've included a picture of what mine actually looked like. A breaker bar is a very handy tool. 5603


Comments

I have a question, Ive. Measured my springs to be 26. 14 to the center of each bolt, however the springs are nearly gone so can I safely say that my springs measurement should be 25 1/4?

-- comment by: DAVID D - 08/23/2013

1947

If there very old and have spent some time overloaded, they certainly could flatten and end up an inch longer than original. It may be helpful to take some of the other measurements on the the spring, and check the information on the axle to find its weight rating. That will make it significantly easier to find appropriate springs.

-- Patrick B - 8/24/2013


- SP-212275

by: Capt Rod05/31/2015


After 8 years and 50,000 plus miles a leaf spring on my Haulmark Transport DXL broke. I noticed it Tuesday. Tuesday night I placed my order with eTrailer. My order was shipped Wednesday and arrived via UPS ground Friday. Saturday I went to work changing the springs. I took eTrailer's and another reviewer's advice and bought both springs, new shackle straps, new shackle bolts and a U-bolt kit. The parts fit perfectly. In under two hours all the new parts were installed and the tools picked up and put away. I'm really glad I bought the replacement shackle parts and bolts. The holes on the old shackle straps were worn and elongated by at least 3/16". The shackle bolts had obvious signs of wear. I probably could have gotten away without the U-bolt kit, but the new U-bolts were actually a little bit beefier than the original ones. All-in-all I couldn't be happier with eTrailer's fast service and the parts they provided. 199105



- SP-212275

by: Kerry06/11/2015


Shipping is fast from etrailer and they have great customer service. The springs that I ordered were a perfect match to my boat trailer. I highly recommend etrailer for any of your trailer needs, you won't be disappointed. 202584


Comments

The new springs I put on my boat trailer are working great and they have cured my tire wear issues I was having.

Kerry - 07/08/2016

19197

- SP-212275

by: Ken D.04/24/2017


Best price BY FAR online and locally! Took quite some time measuring and sorting through all the different spring lengths, options, counts, eyes, etc. Even called the trailer manufacturer to find out they had switched from 4packs to 3 pack versions many years ago. I wanted to keep the trailer with the originally sized and count leafs so i still stayed with the 4 count and settled on these. But 1750lbs is 1750lbs wether is 2, 3 or 4 leafs. Purchased brass bushings to replace the nylons and one of the leafs eyes was forged to large and the brass bushings didn't fit snug like the other 3 leafs. Also swear one leaf was twisted as it gave me a FIT trying to put together on my tandem axle trailer but finally got her seated and once all the weight was put back down on the ground everything seemed to become unstressed. 371869



- SP-212275

by: Sgtbass6412/10/2015


Perfect fit for my trailer. Seem to be well built. Though they are stamped China. But what you gonna do right. If you need them, you need them. Been on the trailer for a couple months now. And seem to be holding up to the abuse. 233557



- SP-212275

by: Timothy K09/02/2014


I need new springs for a cargo trailer i am converting to a portable observatory for my telescope. and they had the part and it came in the mail in good time. the springs fit perfectly. only regret is I need more trailer parts to complete the project and I could have saved on shipping had I ordered it all at once. Thank you for helping get the order quicker without extra coast. 149775



- SP-212275

by: Tyler Y.04/07/2014


These leaf srpings were a perfect size replacement for replacing the suspension on my tandem axles boat trailer. My painted steel boat trailer had been exposed to saltwater, so the entire suspension was completely rusted & falling apart. Thanks to the great articles, videos, & documentation here on etrailer, I was able to find exactly what I needed to replace my all leaf springs & hardware, & which measurements to take to ensure I ordered the correct parts. Everything fit perfectly, & there was no need to make a run to a local auto parts store for forgotten parts, thanks to etrailer's articles & complete list of needed suspension components. Everything was a great price, shipped free, & delivered in 3 days. These guys/site is great, will def buy from again. A+++ 124130



- SP-212275

by: C.J. B10/17/2012


Etrailer personel are polite, knowledgable, helpful, and seem to have a genuine concern for the customer. Keep up the great work, and thank you for your help. 57459


Comments

Still love the stuff. works great for our 32 envision! Thanks again.

cj - 04/17/2014

3623

Thanks for checking in with us and we're glad to hear the springs are holding up. Remember to periodically check the shackle straps for wear, they're the weakest component of the system.

-- Patrick B - 4/18/2014


- SP-212275

by: Gary C07/23/2017


Not much to say about this. I broke a spring while traveling through heavy road construction on I-80 in Northern Nevada. I ordered a new spring from etrailer on the Internet. It arrived in two days and I discovered I had ordered the wrong size when I tried to install it. I immediately contacted etrailer and they sent a new spring immediately. It arrived in three days later. It was an exact replacement and bolted right in and I was back on the road. What else can I say? Great product and great service! 409493



- SP-212275

by: jim burke08/29/2014


superb. we got the spring earlier than anticipated and it works wonderfully, its nice to have a level trailer again 149243


Comments

my trailer is continuing its level state

jim b - 08/29/2015

14632

- SP-212275

by: Rick T10/06/2013


Very nice spring. Easy install, the hard part was taking the old ones off. These springs fit perfectly . 102734


Comments

They are working great.

Rick T - 10/06/2014

7169

- SP-212275

by: Skip M.10/20/2016


I recently purchased an older car haul that is in decent shape, but it is about 12 years old. I figured that the springs and hardware could use some new parts. I researched what I needed through a local trailer dealer, but found that I could get the same parts for a fraction of the cost with etrailer. The website is easy to use and the videos are very helpful!! I received the parts within 3 day (free shipping). The parts are good quality, and easy to install! I will be placing more orders with etrailer very soon and would recommend to my friends!! Thanks etrailer.com!!!! 308962



- SP-212275

by: Ken06/18/2015


An ok deal for the money great product 204449


Comments

No problems.Would buy again

Ken - 06/17/2016

18679

- SP-212275

by: Bill P06/07/2012


Item shipped VERY quickly. Video tutorials on the web site helped a lot. This leaf spring looks a lot better than the ones originally installed on my trailer. I think eTrailer will be getting more business from me cause from what I saw under the trailer the components the builder used did not look like top-shelf parts. Will probably eventually replace all components with eTrailer ones. Installation would have been easy had the trailer manufacturer not welded the ends of the shackle bolts forcing me to cut the off and then have to go buy new ones. 43225



- SP-212275

by: chris m.09/20/2014


good produce for a price 152231


Comments

Good part for good price

chris m - 09/20/2015

15106

- SP-212275

by: Charley S05/11/2014


I have purchased springs, shackles, u-bolts, lights, brakes, and brake drums from etrailer in the past few weeks. Among other items besides the above, I had nothing but excellent service and delivery on everything ordered thru etrailer.com. I was totally happy with all phases of receiving your products, besides all prices were very reasonable. No shipping fees after a certain dollar amount was also a plus. Etrailer.com was fantastic, and I would recommend them to everyone. I will definitely be a long term customer. 129977



- SP-212275

by: Jeff06/16/2017


the product was for a Utility Trailer, both springs and U-bolts came well packed, the transaction online was flawless but, the 3 day delivery became a 4 day due to UPS being a little less then honest on the reason for the delayed delivery. I was up until 10pm putting the springs on for an upcoming vacation. Cathy in customer service was helpful trying to resolve with UPS but dealing with a large delivery service is difficult. Advice is while you can trust this vendor, trusting for prompt delivery can be iffy. 396656



- SP-212275

by: Jim E08/29/2017


I bought springs, mounts and Tailight kit to fix up a rusty utility trailer. I cut, weld scraped and painted for the better part of a month in spare time. The springs and mounting instructions on e trailer are excellent. Only issue/shortcoming are the tail lights. Wire just pushes in and spring loaded strip holds them. I soldered and sealed the connection with silicone. So far that salt covered roads haven't hurt it in winter. The folks at etrailer are very helpful and prices are a good value. 427190



- SP-212275

by: Paul C.11/20/2013


Replacing automotive springs on an old utility rental trailer from the 60's. I used these because the old springs where 10 leafs and 35" eye to eye. Still have not set the trailer on the ground but after welding on new leaf attachment hardware these springs slipped on without any problems. The only problem I had was with the old 1 1/2" axle. The Axle had 1/2" alignment pin holes and the springs had 5/8" alignment pin/bolt heads. A sherline lathe fixed that in a few minutes. 107910



- SP-212275

by: Tom Lewis10/05/2016


Just need the tires and ready to haul more wood. Thanks so much. 303627



- SP-212275

by: Gordon K.07/23/2016


On of my travel trailer springs broke, so I replaced both springs. Now my trailer sets level side to side. It is about 1 1/2" higher than it was before. I towed it down the road and it tracks straighter than it ever has before since I have owned it. It used to track a little toward the ditch in the back. Now I can look down either side of the trailer in my rear view mirrors and see the whole side of the trailer. I couldn't see the driver side before. 275571


Comments

Everything is working great. I have had no more issues. Peace of mind.

Gordon K - 07/23/2017

26505

- SP-212275

by: John A.12/13/2011


Due to a snapped axle spring on my Outback travel trailer, I replaced all four springs and all shackles, bolts and equalizers. I really like the quality, rapid shipping and the fact everything came exactly as ordered! The only thing I would change is to order the greasable bolts for every pivot point rather than just the equalizer pivot. These higher load rated springs should have been on the camper from the factory! I'm a happy camper now! 28058



- SP-212275

by: Gerry C.05/04/2017


New springs fit perfectly and we're easy to install. Shipping was really fast. They gave my old camper a which was sagging on one side, a well needed lift. The new equalizer bolts should help keep the springs operating properly for years to come. 376693



- SP-212275

by: Adam B07/21/2016


The leaf springs, shackles, and hanging hardware were exact matches to what was needed. Excellent customer service, great prices, and the staff was very considerate about letting me know the status of my order and shipping. I would highly recommend etrailer for anyone wanting high quality at a great price. I will definitely be ordering from them again, especially since my boat trailer sees alot of salt water. 274696



- SP-212275

by: Rich H.04/17/2017


After suffering a major incident on the highway where 3 of the 4 tires were destroyed along with the rims and some suspension parts, I needed parts fast and correct for my trailer. These wheels, along with the other suspension parts, where inexpensive, well built, accurately described, delivered quickly, and exactly what I needed to get my trailer back up and in operating condition again. 369868



- SP-212275

by: john francisco04/01/2015


came early ups man stops to eat his lunch in parking lot in back of my house. saw him there ask him if he had my spring he looked an said yes.we talked about a shipment i have coming on friday said he'd give me a call.the springs i bot fet great an are better quality then the ones they replaced. when i recive my new wheels an tires i bot from you iwill try an send you some pictures. jdf 182113



- SP-212275

by: Erich R10/11/2012


After having a spring break found etrailer.com using Google search. Very pleased with service, replacement parts, and price. Received the order sooner than I expected, the communication from them was awesome, and the parts were very good quality. Would highly recommend them to anyone and will order from them again when I work on my other trailer this winter. Very satisfied customer!! 56950



- SP-212275

by: Brian L.08/05/2013


These are great springs for the price, the dealer wanted twice this much for the same springs, never going there again, word of advice though, MEASURE TWICE order once, my bad all day, I ordered the wong ones, my shackle straps were rotted off so I forgot to account for those, oh well, Etrailer has a fantastic return program, no questions asked and they had my springs to me in 2 days! 93245



- SP-212275

by: J.A.09/01/2011


Spring was better than I expected. The biggest thing that directed me to purchase this spring from this company was all the very positive reviews I read before making my purchase. I also read some of the tech support questions from other customers, one question actually helped me in my selection of the spring I purchased. For sure I will use this company for any future trailer needs. 23399



- SP-212275

by: Blake H05/10/2017


Perfect fit, help articles gave me enough information to replace entire suspension system on my toyhauler with no previous expirience. Quick shipping, i will be repeat customer 379083



- SP-212275

by: Mary D08/30/2016


We weren't able to find the correct size spring for our trailer at a reasonable price except on your site. We are very pleased with the promoters of the order and the frequent updates on when we would receive our order. We will definitely recommend etrailer.com to all our family and friends. Thank you for your good customer service and reasonable prices on our leaf springs. 289377



- SP-212275

by: Dennis G11/02/2016


I ordered several items for my boat trailer to replace the springs and renew the related hardware. There was a little glitch, as the springs were sold out in inventory. The etrailer staff quickly advised me of this issue and offered alternatives. However, my order was shipped was shipped within a few days and arrived as ordered. I will definitely use etrailer again. 315880



- SP-212275

by: Moore s Welding & Fab03/12/2017


These guys made ordering easy! No long drawn out questions. Shipping was fast and right. If I ever need anything of this nature again I will definitely use them again. 351973



- SP-212275

by: Rick05/30/2017


Ordering couldn't have been easier, the etrailer search helped me narrow down my options. The springs arrived early and the installation was straight forward. Everything about this with exception to the leaf spring breaking was painless. I'd definitely recommend checking out the etrailer prices and products to anyone making repairs or upgrades to their trailer. 386414



- SP-212275

by: Brad L.09/17/2016


The product was just as advertised, and the website made finding what I needed a breeze. The price was 1/2 of what my local marine stores wanted!! E-trailer is hands down the most informative and helpful site out there. All of my questions were answered, so there was no guessing at what to order. I am very pleased with the shopping experience! 2 thumbs up! 295807



- SP-212275

by: Dave07/29/2017


Perfect Fit, Nice Coat. Item came in excellent condition and exactly as described. The only part of installation that was difficult was getting the old one off. Note for those who haven't purchased from etrailer, don't hesitate, you will not be disappoint best customer service before and after the sale. They have always exceeded my expectations. 412180



- SP-212275

by: Mike R.03/18/2013


Replaced a broken leaf spring on my Econotrailer open deck trailer. This spring does come with new nylon bushings as pictured. I made the mistake of tightening the u-bolt nuts before spring/shackle bolt nuts - the spring then failed to line up with the equalizer. Attaching all bolts loosely first and tightening them alternatively worked much better. 71396



- SP-212275

by: Andy L.01/13/2017


I'm very pleased with all of my purchases from eTrailer. Everything has seemed to be of excellent quality and value. The wiring kits and directions were very well thought out and one of the projects I completed would not have been possible had it not been for the excellent videos on the website. I'm an eTrailer customer for life! 332408



- SP-212275

by: Ron Mullvain08/25/2017


I ordered two leaf springs for my utility trailer from etrailer. They arrived when they were suppose to, and they fit perfect. I order from etrailer when ever I need trailer parts, because I have been very happy with their product and service, and they seem to be very nice people to deal with. I would highly recommend using them. 425045



- SP-212275

by: Pete W.03/11/2017


The springs have performed as.hoped and expected. The have been mounted almost one year. The trailer has been pulled to Wyoming and back to California. I have subjected the trailer to back-country rough dirt roads and some two-track. The trailer is about 1800 lbs and hauled about 800 lbs of cargo. So far so good. 351506



- SP-212275

by: Mike J06/22/2012


finding this store online was a godsend! I'd tried to order through a couple of other stores online, but their site glitched the order, or oddly enough, did not have all the parts! I found springs without the new pins to order with them!! Here... it was all available. Now, hopefully I ordered the right springs!!! 45256



- SP-212275

by: Stephen M.11/21/2014


Outstanding product. Shiped faster than expected. Etrailer.com is an outstanding company and will order again! 162132



- SP-212275

by: Robin A06/24/2017


It has been over a year since I had rebuilt my trailers using parts purchased at etrailer. This is the first time that I have been able to put any real miles on the unit and with 800+ miles the lights and everything performed flawlessly. I will not think twice of making additional purchases from etrailer. 398578



- SP-212275

by: Rodney08/11/2016


Ordered set of spring for the back axle on my stock trailer; parts fit perfectly. Ordered new bolts for the job and that made things go that much quicker and don't have to worry about old parts. Had three day shipping and made it within that frame. Will definitely order from them again if need comes up. 282451


Comments

Product worked great

Rodney - 08/11/2017

27065

- SP-212275

by: Dean07/31/2017


I ordered numerous trailer suspension parts. I really appreciated the bideo explanation of the parts as i have not worked on a trailer before and had to match them up w what i had. Ordered on sunday and arrived that friday. Good quality n great price. Will definite go to etrailer in the future! 414771



- SP-212275

by: john francisco03/26/2015


i recived it a day early. great. jacked up my trailer an really got a good look under it an found the spring on other side was broken to so got on my lap top an orderd an other one. should have order a pair in the first place . owell live an learn. haha. you have great service thank you jdf. 180997



- SP-212275

by: Gary04/30/2016


I needed replacement springs for a broken spring on my boat trailer. After doing a lot of searching on line and locally, I found the perfect replacement from E-trailer at about half the price of other retailers, and with the free shipping special, it was a slam dunk. Thanks again E-trailer. 247709


Comments

After a year, this spring set is performing perfectly. Great purchase.

Gary - 04/30/2017

23534

- SP-212275

by: Jim Miller04/27/2011


Installing the leaf spring was no problem. I may point out that a "C" clamp is very useful to line up the round bolt head in the spring center with the hole in the u bolt block! Avion trailer is now in service.............Thanks..........I am sorry, camera was not availiable...no picture 12495



- SP-212275

by: crash12/28/2016


Leaf springs and u bolts were a pleasure to put on. didn't really realize how much sag I was experiencing until I was done. will be ordering all of my trailer parts from etrailer from now on! Installed on a steel deck car hauler that hauls around a skip loader and a 53 chevy show truck 328492


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  • Hanger Spacing Dimensions for Installing Double-Eye Leaf Springs on a Trailer
  • The Trailer Leaf Spring, 2250 lbs. 6 Leaf, item # SP-256275, is sold as a replacement spring for older trailers and measures 26 inches for eye to eye, center to center. If you are replacing the springs and hangers you will need to use the same center to center dimension as the original mounting brackets. These springs are designed for a 4,500 pound axle. If you are building a new trailer you will need to determine the weight capacity of the axle you will be using and order springs and...
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  • How to Determine the Distance for Mounting Trailer Spring Hangers on a Single Axle Trailer
  • Spring Hanger location dimensions are normally figured by the manufacturer and provided with the spring hanger kit, that includes all of the parts for installing the springs on the trailer frame. I have provided a chart that shows the spring hanger locations for single axle trailers for you to review, see link. There are two considerations for mounting the spring hangers. First, the distance between the spring hangers as you have asked about. Second, the location of the axle when installed...
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  • 5th Wheel Trailer Pulls Nose High Are Spacers Available to Level with My 2011 2500 Dodge Ram Diesel
  • The first thing I would do in your situation is take the truck and trailer to your RV dealer and have them check out your setup. Typically 5th wheel trailers are set up to tow a bit pin high to allow for more weight transfer to the rear most axle or axles on the trailer. If possible, you can adjust the trailer pin box closer to the underside of the trailer loft, or reduce the height of your fifth-wheel hitch head in the bed of your truck. Be aware that adjusting the trailer too close...
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  • Are There Lift Kits Available for Trailers
  • If you are talking about a lift kit for a trailer then they are called over/under kits. There are 2 options. First we have # K71-384-00 for 2-3/8 inch diameter round axles. And second we have # K71-385-00 for 3 inch diameter round axles. If neither will work then the other option to raise the height of the trailer is to use taller suspension hangers. I have included a link to our hanger main page for you. Current pricing for parts can be found on their respective product pages.
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  • How to Determine Correct Leaf Spring Size on 6 X 12 Utility Trailer
  • When replacing the leaf springs on your 6 x 12 utility trailer you will need to match all of the dimensions and the spring capacity as closely as possible to the original spring. Usually the measurement from eye to eye will lengthen and the height measurement will decrease with wear. See picture I have included that will show the measurements you will need to match to replace your leaf springs. The number of leaves in a spring pack does not have to remain the same as long as the weight...
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  • How to Tell When Travel Trailer Leaf Springs Need to be Replaced
  • A leaf spring should be replaced if it is badly rusted, has cracks or breaks in its leaves or if it is sagging. A 14-year-old travel trailer could certainly be in need of new leaf springs. The keys to selecting correct replacement leaf springs are to match your axle capacity, number of leaves and spring size. Most axles will have a plate or sticker that indicates the axle's weight rating. It is best to remove a spring from the suspension to check its eye-to-eye length. A spring that is...
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  • Solutions for adjusting Gooseneck Trailer Height for Towing with a Truck with Lifted Suspension
  • There are things that can be done to raise your gooseneck trailer suspension to help provide the proper ride height for your truck. First the capacity of the axles on your trailer should be determined, to be sure that the parts ordered will work correctly and will be safe. We have a informational article on double-eye trailer suspensions that should be helpful. If your axles are 3 inch diameter, then we could use a Trailer Springs Over-Under Conversion Kit, # K71-385-00, to move the...
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  • How Are Trailer Leaf Springs Weight Capacities Rated
  • There is usually two capacities listed on a leaf spring. The spring capacity and the axle capacity. For the 4-Leaf Double-Eye Spring # SP-212275 that you referenced it has a spring capacity of 1,750 lbs meaning that the individual spring can handle 1,750 lbs. The axle capacity is 3,500 lbs meaning that when you use two springs the combined capacity is 3,500 lbs. I attached an FAQ article on trailer suspension for you to check out also.
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  • Replacing a Lippert 3,500 lb Leaf Spring Axle with a Dexter 3,500 lb Leaf Spring Axle
  • The Dexter Trailer Axle, part # 35545E-ST-EZ-89, is similar to the Lippert LC135-SB-85.0-68.5 axle, but it is not a direct replacement. Both axles are 3,500 lb leaf spring tubular axles, but they are different lengths. The Dexter axle is slightly longer, which means the wheels would stick out further and the spring center is wider. Your axle has a hub face measurement of 85 inches and the Dexter axle has a hub face measurement of 89 inches (see photo). The wheels will stick out about 2...
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  • How to Decide Which Tandem Axle Trailer Hanger Kit to Use
  • Typically when building a tandem axle trailer I recommend using either the # APT3 or # APT5 Tandem-Axle Trailer Hanger Kit. These are the most common kits used for utility trailers and parts are readily available. The # APT5 kit is by far the most common because all the hangers are the same height and provide good tire clearance. There are a lot of variables when selecting a hanger kit. First you should select a kit that will accommodate the wheel and tire combination you are using....
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  • How to Measure Trailer Leaf Spring to Find Correct Replacement
  • To correctly measure a leaf spring, you'll want to jack the trailer up on jack stands so the axle is hanging freely, then measure directly across from the center of one spring eye to the other, as shown in the provided diagram. The height of the spring and the distance from the spring eye to the center of the spring can also be helpful in finding the correct replacement. To ensure you're getting the correct leaf springs, you'll also need to know the capacity of your axle. If you can...
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  • Will the Larger Capacity Leaf Springs Fit Tandem Axle Trailer With 3,500 lb Axles
  • If the measurements on your trailer match the 4-Leaf Double-Eye Spring, part # SP-212275 or part # SP-218275, they will bolt up to your trailer. My contact at Redline informed me that the heavier 4-Leaf Double-Eye Spring, part # SP-218275 will work, but it will give you a rougher ride. Also the weakest link on the trailer will be the 3,500 lb axles when using the 4,800 lb leaf springs. It is recommended to use the Leaf Springs For 3,500 lb Axles, part # SP-212275 for your trailer...
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  • Can Trailer Height be Raised by Changing the Suspension
  • If the trailer leaf springs are currently mounted on the bottom of your axle, moving them to the top of the axle will lift the suspension. To do so you will need 4 new spring seats, 8 u-bolts, 16 nuts and 4 U-Bolt plates per axle. The diameter of your trailer axles will determine the size of the parts you will need to order. If the axles are 3 inches in diameter, part # K71-385-00 would be a good choice. If you are thinking about lifting your trailer because your tow vehicle hitch...
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  • Fender Clearance Problem on a 3,500 Lbs Tandem Axle Trailer with Double Eye Springs
  • It sounds like you definitely need to make a change in the trailer suspension. Longer hangers may help but, if the springs are worn out, changing the hangers would not fix the real issue. Installing longer shackle straps would make the issue worse. Shorter shackle straps would not allow the suspension to work properly either. Check the shackle straps for wear, these are commonly the most worn parts on a trailer suspension, followed closely by the springs. If the holes in the shackle...
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  • Determining Correct Replacement Suspension Components for Tandem Axle Boat Trailer
  • Thank you for submitting the photo of your boat trailer showing the center spring hanger, shackle straps and equalizer. Based on the photo it does appear that non-standard replacement parts may have been used to repair or modify the suspension at some point and this could certainly have contributed to the rear axle tire failure. If the equalizer cannot function correctly (due to the use of fabricated or non-standard replacement shackle straps) then too much of the total trailer load...
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  • Availability of a 32 inch Long Slipper Spring Rated for 3,500 lb Axles
  • All of the leaf spring suspension systems that we have for 3,500 lb trailer axles are double-eye springs. They measure 27 inches # SP-210275, 25-1/8 inches # SP-212275, and 23-1/8 inches # SP-216275. The nearest thing that we have to what you are looking for is the 5-Leaf Slipper Spring w/ Flat End for 10,000-lb Trailer Axles # SP-159275. This slipper spring is rated for 10,000 lb axles and uses the slipper design. It is also 32-1/2 inches long.
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  • What Is The Purpose Of Steel band On Leaf Springs
  • The leaf springs are normally installed with the band forward of the axle, but it is not something that has to be done that way. The steel band is called the rebound clip. Their main purpose is to help keep the main leaf from breaking on a rebound. When the weight of a vehicle or trailer is on the spring, all of the leaves work together to support the spring above them. If the wheel drops for any reason the total weight of the axle falls on the main leaf if there are no rebound clips....
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  • How To Determine the Weight Rating of a Trailer Axle For Leaf Spring Replacement
  • The trailer will have a plate or sticker on it that will list the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity. Since the trailer you have is an older trailer it might be missing the plate or be very hard to read. You can also tell the weight capacity of the axle by measuring the diameter of the axle. A 2,000-lb axle will have an axle diameter of 1-3/4 inch....
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  • 3,500 lb Axle Suspension and Leaf Spring Install Hardware Recommendation
  • For a 3,500 lb capacity trailer axle with idler hubs that have a 5 on 4-1/2 inch bolt pattern you would want the part # 35545I-EZ-89. If you need brake hubs you would want the # 35545E-ST-EZ-89. These axles have a distance of 89 inches from hub face to hub face and a distance of 74 inches from spring center to spring center. For a 3,500 lb rated leaf spring you would want the # SP-212275, then for a hanger kit you would want # APS1 and then for U-bolt kit to hold the axles to the springs...
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  • Dimensions for Spring Hanger Spacing Using the # APTT3 Triple-Axle Hanger Kit on a Boat Trailer
  • The spring hanger mounting dimensions for the Triple-Axle Trailer Hanger Kit, item # APTT3, are as follows. From the center of the hole in the front hanger, to the center of the hole in the center front hanger, the distance should be 29-1/2 inches. From the center of the hole in the center front hanger, to the center of the hole in the center rear hanger, the distance should be 34 inches. And from the center of the hole in the center rear hanger, to the center of the hole in the rear...
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  • How To Determine Weight Capacity of Double Eye Leaf Springs on Trailer
  • The best way to determine the weight capacity of your leaf springs would be to check the weight rating of the axle on your trailer. The trailer will have a plate or sticker on it that will list the VIN number. The weight rating of the axle should be listed on that same plate or sticker. Also, the axle could have a tag or plate on it that will list the weight capacity. You can also tell the weight capacity of the axle by measuring the diameter of the axle. A 2,000-lb axle will have an...
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  • Can Unique Leaf Springs be Replaced on a Very Old Trailer
  • I believe the hubs are for 2,000 or 2,200 pound agricultural axles which is why the springs look so different. These hubs are designed for very low speed applications (5 to 10 miles per hour according to HADCO) so if you plan on going faster than that you will need to look at replacing the axle and hubs. You could use 2 of spring # SP-219275. Each spring has a capacity of 1,250 pounds. If a new hanger kit is needed you can use # APS1. When used with spring SP-219275 the center to center...
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  • Recommendation For Leaf Springs and Shackle Straps on a 2001 King Boat Trailer
  • When replacing the leaf springs on your boat trailer you will need to match all of the dimensions and the spring capacity as closely as possible to the original spring. Usually the measurement from eye to eye will lengthen and the height measurement will decrease with wear. See picture I have included that will show the measurements you will need to match to replace your leaf springs. The number of leaves in a spring pack does not have to remain the same as long as the weight capacity...
    view full answer...

  • Which Leaf Springs for my 5x10 Trailer with a 3,500 Pound Axle
  • There is a lot of variance in how much a spring will stretch. A trailer that carries a lighter load or is not used frequently will not have as much spring stretch. The springs you were looking at, part # PR626, are made for trailers with 4,500 pound axles. It might result in a bit rougher of a ride. The double eye springs we carry for a 3,500 pound axle are 25-1/8 inch long. At six years of age, I can see the springs stretching 3/4 of an inch. We have two springs that would work for...
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  • Parts Needed To Convert Boat Trailer From Single to Tandem Axle Trailer
  • I can offer you suggestions for double-eye leave springs, a U-bolt kit, and a hanger kit, but we do not offer axles that match your spring center measurement and your hub face measurement, so the axles must be custom ordered. You will want to order the axles locally from an authorized trailer axle dealer. We do suggest ordering 3,500 pound axles. It is very common for tandem axle boat trailers to have 3,500 pound axles on them, and this will allow you to use electric brakes rated for 3,500...
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Info for this part was:

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Video Edited:
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Installed by:
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