1. Trailer Leaf Spring Suspension
  2. Universal Group
  3. Leaf Springs
  4. Springs
  5. Double Eye Springs
  6. 25-1/4 Inch Long
4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long

4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long

Item # SP-218275
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Our Price: $47.74
Trailer Leaf Spring Suspension
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SP-218275 - 5000 lbs Universal Group Trailer Leaf Spring Suspension
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Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-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 leaf spring suspension from Universal Group. 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long part number SP-218275 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (235)
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Universal Group Trailer Leaf Spring Suspension - SP-218275

  • Leaf Springs
  • Springs
  • Double Eye Springs
  • 25-1/4 Inch Long
  • 5000 lbs
  • Universal Group

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-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: 2,500 lbs
  • Axle capacity: 5,000 lbs
  • Length from center of spring eye to center of spring eye: 25-1/4"
  • Spring width: 1-3/4"
  • Eye diameter with bushing: 9/16"
    • Eye diameter without bushing: 11/16"
  • Leaf thickness: 3/8"
  • Number of leaves: 4
  • Additional dimensions: see table


Double-Eye Spring

Part NumberABCD
SP-21827512-5/8"13-1/4"25-1/4"3"


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-218 Universal Group Double Eye Trailer Leaf Spring - 4 Leaf - 2,500-lb Capacity

Replaces PR4






Customer Reviews

4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles - 25-1/4" Long - SP-218275

Average Customer Rating:  4.9 out of 5 stars   (234 Customer Reviews)

Double-eye leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 5,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushings with 9/16" inner diameter.

- SP-218275
by:

These were an upgrade for our GD Imagine travel trailer. We replaced 1750 springs and the trailer expert who just recently performed our 1 yr inspection, was impressed, and glad we invested in quality for the good of our trailer. I have the experts at etrailer to thank for helping me choose these items.



- SP-218275
by:

Had to replace a broken leaf spring on an older dump trailer. Having previously purchased products from etrailer I looked at their website first. Quickly found what I was looking for and made the purchase. There was also helpful information on their site to insure I ordered the correct springs.


Comments
The leaf springs are still working as intended
Craig I - 06/09/2021


- SP-218275
by:

I replaced my leaf springs, drums, brakes and added the Dexter E-Z Suspension kit to my Keystone Cougar Fifth Wheel trailer last year. This was my first time working with etrailer and I can’t say enough about how well it all went from the ordering to the install. Tammie P did a amazing job with knowing what parts would work best on my trailer. Tammie also gave me updates on my deliveries that I appreciated. I had a trip planned short after I received my parts. So having someone at their end checking on arrival dates helped. In the future I will definitely use etrailer for all my trailer needs. Thanks again for all the help! Great Team....



- SP-218275
by:

Total refit. Three axles, six springs, all pivot point bolts, bushings and link plates. Excellent pricing (the best I found). Super quick delivery, like three days. And free shipping on an order weighing close to fifty pounds? Best of all the company followed up a year later to see how it went. It went great, which why I'm writing this review. Quality, fitment, price, delivery, support. Five stars.



- SP-218275
by:

I ordered these to replace 4400# springs on our fifth wheel that are 10 years old. I was expecting the ride height to increase but it did not. They appear to be of acceptable quality but as with most products time will tell. We haven't used them yet but are planning a long trip next month.


Comments
Its been a year now. One long trip out west and no issues. No sag at all. Overall positive results with these reasonably priced springs.
Randy R - 08/28/2017



- SP-218275
by:

After towing our rig 35,000 miles it was time to change the suspension. The old springs were flattened out and since I was doing the shackles and equalizers, for the cost, it was a no brainer to also do the springs. They fit perfectly and have performed flawlessly.



- SP-218275
by:

Changed out 4 broken springs for 4 new ones. They were a perfect fit and pretty easy to change. As far as customer service is concerned I wasn’t on the phone for more than 5 minutes and springs were on the way. I will definitely use etrailer again on my upcoming boat trailer project!!



- SP-218275
by:

The springs were installed without any problems. The wet-bolt bushings pressed into the spring eyes as they should, with no deformation such as what had been the case with the springs supplied with the OEM axle.



- SP-218275
by:

Excellent product, perfect fit and very easy to install. Attached is the pics of the new leaf spring, with my old and broken leaf springs. Thanks etrailer for getting my camper back on the road.



- SP-218275
by:

Great upgrade!! My 31ft Travel trailer rides MUCH better after replacing the stock springs with these!



- SP-218275
by:

Fit perfect. Installed the pair in about 1 hour and 20 minutes. That included cutting the old set off


Comments
great
Dick - 09/24/2021


- SP-218275
by:

My 36 ft travel trailer was sagging 3-4" low on the drivers side. The problem was those 2 springs were flatter than the passenger side. It was noticeably lower. I jacked the frame up and installed the springs one at a time, didn't have any real problems. Installation for 4 springs took a couple hours, TT is setting level now. Great product.



- SP-218275
by:

replaced the springs on my travel trailer and rebuilt suspension linkage. Etrailer made it easy to order and received everything promptly.



- SP-218275
by:

I replaced all 4 springs under my 20' trailer and what a difference. Made it like new and at a very affordable price. The tables, charts, diagrams and descriptions given with all etrailer parts makes it so much easier to figure out what is needed and the correct parts. Had the order in my hands in less than 4 days from ordering. This is the fourth, or fifth, order I've placed with Etrailer and I will continue to order from them in the future, as the need arises. The products have been quality, price is unbeatable and shipping is quick. The tech support is also outstanding. Questions answered in a timely matter with a detailed answer and part references. Great Company to deal with. Thanks, Ken



- SP-218275
by:

It was a job to change it out but it has worke like new. Great job.



- SP-218275
by:

leaf springs fit exactly as listed, if I need parts or advise, etrailer.com is the first place I go, then after looking around I always go back and purchase from them!



- SP-218275
by:

Extremely quick service



- SP-218275
by:

The products I brought are exact and fit perfectly. The shipping was great, fast.



- SP-218275
by:

Was very happy to find this product at etrailer. Locally I was told that these springs were almost impossible to find because of the covid shutdown. I ordered this item and they arrived at my door step in a very short time. Swift responsible handling of my order. Without a doubt I will be back.



- SP-218275
by:

So happy with my purchase. Made a huge difference. I went one size up in weight capacity on my 28’ fifth wheel. Tows and sits a whole lot better and more sturdy. Paired with my new brakes I bought from etrailer It’s a whole new experience towing my trailer. 100% for the better. I recommend these. Especially for the price



- SP-218275
by:

I have been buying products from etrailer since 2009. I come back because the customer service in helping me find the right part or return a part is always, year after year, excellent! I needed 6 leaf springs for my toy hauler and couldn't find a part number. I called and Sandy helped me find a great replacement spring. I needed the springs quickly so we could go on a planned trip. Ordered them Tuesday, they arrived Thursday in perfect condition. I installed them and wow, the ride height restored, the camper sits square and wheels all straight. THANK YOU Sandy and etrailer. I will keep coming back. Michael



- SP-218275
by:

Assembled as expected and working fine with no problems. Installed on a dump trailer and loaded it to the max with no problems.



- SP-218275
by:

I've purchased several items from etrailer all have been top quality and received them all very quickly, the springs added give my trailer more support, the hubs I changed allowed my to add the wheels I wanted, the new fenders allowed for the larger tires and the lights made it brighter and improved safety Everything fit perfectly and at a great price I highly recommend them Thanks Shell


Comments
Still very satisfied with the products I purchased from retailer thanks again
Shell H - 05/31/2017



- SP-218275
by:

Replaced 4400 lb springs that were 13years old on 5th wheel did springs,shackles,bolts,equalizers,u-bolts,job went great, good parts so far. Do yourself a favor change everything at same time.



- SP-218275
by:

I received my new springs in a short time, they were exactly what ordered, I measured the old ones very careful with no load on them, wanted to get it right the first time. I have a 2014 25' Keystone 5th wheel, the springs were starting to sag and I was worried one might break, they were for 3,500# axles so I ordered springs for 5,000# axles, I installed them, they increased the height about 2 inches but they will settle a little after hitting a few bumps. One thing about this RV, you won't find anything in it that's an overkill.


Comments
The springs are working fine, I also installed the bronze bushings with grease fittings, we have traveled about 3,500 miles, very happy with the new springs.
Stephen B - 08/07/2018


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Show More Reviews

Ask the Experts about this Universal Group Trailer Leaf Spring Suspension

  • Replacement Leaf Springs for 1991 Fleetwood Prowler Limited
    It sounds like the old springs might be 23" long on your 1991 Fleetwood Prowler. In order to determine which leaf springs you'll need as a replacement you will need to know the capacity of the axle, the rough length of the spring (which it sounds like you already know) and the way the spring is mounted (double eye or slipper). You can determine the capacity on the axle by checking the sticker/plate on the center of the axle. When it comes to springs that are roughly 23" long, there are...
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  • LIft Kit for Trailer to Rais 2-1/4 inches
    For a lift kit that can give your trailer a lift of up to 2-1/4 inches we have the part # LC87120 which comes with all parts to lift a single axle. If your trailer was a tandem axle you'd need a quantity of two of these. If you do need new leaf springs I'd need to know the length of your current ones and the capacity of your trailer axles. Measure from spring eye center to eye center with no weight on trailer.
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  • Will 25-1/4 Inch 5,000 lb Leaf Springs Work for Old Springs That Measure 26 Inches
    You can use the 25-1/4" 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles # SP-218275 to replace your current leaf springs that measure 26" from eye to eye. What happens is that leaf springs will stretch out and flatten over time. So if your springs now measure 26" the shorter springs will be what you need. I have added a link to a video review for you to check out as well of the 25-1/4" 4-Leaf Double-Eye Spring for 5,000-lb Trailer Axles # SP-218275.
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  • How to Pick the Right Replacement Leaf Spring for my Trailer
    The actual weight of the load isn't important when determining what springs you'll need- you will actually need to go by the axle capacity paired with the type of spring and its's length. For your 5000-lb axle, your single spring capacity will need to be at least 2500-lbs- but you'll also need to know whether or not they are double eyed or slipper springs, and how long they are (roughly, since worn springs will be slightly longer when measured eye to eye). As far as springs we have available...
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  • Locating Replacement Leaf Springs for Dexter D44 Tandem Axles and Recommended Upgrades
    In order to find the right replacement leaf springs, you will need to raise the trailer up and take some measurements on one of the existing springs. This type of information isn't typically provided by trailer manufacturers and it's not something that can be determined by the axle capacity (many different leaf spring lengths could be used with 4,400 pound tandem axles). With all the weight lifted off the leaf springs, you will just need to measure their length (from the center of one...
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  • Replacement 2,200 lb Trailer Leaf Spring that is 25-1/4 inches Long
    25-1/4 inch leaf springs are a very common length. For a leaf spring that is rated for a 2,500 lb axle that is 25-1/4 inches long you would want the part # SP-219275. If instead you meant 2,200 lbs per spring you would want the # SP-218275 instead.
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  • 26 Inch Leaf Springs for Axles Rated at 5,200 lbs
    We do have a solution for you although we don't carry a leaf spring for a 5,200 lb axle that has the same dimensions as Leaf Spring # SP-051275. What does have the same dimensions is the 26" Double-Eye Spring for 6,000-lb Trailer Axles # SP-053275 which will work for you despite being rated for more than your axle's capacity; they are rated close enough to your 5,200 lb axles that you won't have to worry about the springs causing a stiff ride.
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  • How to Pick Out Leaf Springs for Trailer
    When replacing trailer leaf springs we strongly recommend you replace them in pairs. I would urge you to get a set of matching properly rated springs for your trailer as soon as possible. If you look on the frame of your trailer there should be a plate with the trailer VIN number and the axle capacities of the trailer. You will want to pick leaf springs that are as close to the axle capacity as possible. You will want to also measure the distance from eye to eye of your old leaf springs...
    view full answer...
  • How to Measure Length of Double-Eye Trailer Leaf Spring SP-218275
    Yes, a double-eye leaf spring like # SP-218275 is measured from the center of one hole to the center of the other when the spring is not under tension. If a spring is installed in the trailer suspension it will tend to measure a bit differently. Also, springs that are very old and well-worn will tend to measure a bit longer than they were when new. So for example if you pull an old spring from your trailer and find it measures 26-inches eye to eye, then it is quite possible that when new...
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  • How To Upgrade Leaf Springs And Add Shocks to a Coachmen Clipper 17FQ
    Yes, you can upgrade the leaf springs on a Coachmen Clipper 17FQ to a higher rated set just keep in mind the ride may be a bit stiffer. I have attached a list of our leaf spring options for you but if you can provide me with the unloaded eye to eye measurement I can then recommend a suitable replacement. The 4-Leaf Double-Eye Spring part # SP-218275 for example are rated for 2,500 lbs each and measure 25-1/4" eye to eye which is pretty standard. The Lippert Components Bolt-On Shock...
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  • How to Pick Out Replacement Leaf Spring for Jayco Fifth Wheel
    When replacing trailer leaf springs we strongly recommend you replace them in pairs. I would urge you to get a set of matching properly rated springs for your trailer as soon as possible. If you look on the frame of your trailer there should be a plate with the trailer VIN number and the axle capacities of the trailer. You will want to pick leaf springs that are as close to the axle capacity as possible. You will want to also measure the distance from eye to eye of your old leaf springs...
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  • Can Changing Trailer Springs to Higher Rating Cause Axle Damage or Increase Trailer Weight Rating
    Installing heavier springs in your trailer's suspension will not directly cause any damage to your axle. But also note that changing your trailer's leaf spring suspension from 3500-lb rated springs to 4800-lb rated springs will not necessarily increase the trailer's weight capacity. Springs are one part of the entire suspension system and changing one item is no guarantee of increased capacity. All of the trailer's parts - its tires, wheels, hubs, axles, suspension and frame - all have...
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  • Torque Specifications for Suspension System U-Bolts and Shackle Bolts
    The torque requirements for leaf spring u-bolts depend on the diameter of the u-bolts that are being used. The torque ratings are as follows: 1/2" bolts: 45 ft/lbs - 70 ft/lbs 9/16" bolts: 65 ft/lbs - 95 ft/lbs 5/8" bolts: 100 ft/lbs - 120 ft/lbs The shackle bolts used between the springs and hangers do not require a specific torque rating because tightening the shackle bolts too much will squeeze the shackle straps against the leaf springs, and the whole suspension system will...
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  • Leaf Spring Recommendation for a 2007 Load-Runner Tandem Axle Cargo Trailer w/ 4,900 lb Capacity
    Since your trailer is a tandem axle trailer the carrying capacity of it will be split between the two axles. So you will need 3,500 lb axles springs. The 3-leaf Double Eye Spring # SP-220275 is what I would recommend you get for your trailer. Since it is always a good idea to replace springs in pairs I would recommend you get two of these springs and replace both springs on the axle. You will want to make sure that the distance between your spring hangers is 25-1/4 inches apart on center....
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  • Can a Trailer Rated for 2,990 Pounds be Upgraded to 3,500 Pounds
    Yes, you can replace the axle on your trailer with one that is rated higher. This will ensure that the axle is rated for more than enough weight. But you will also need to upgrade the suspension, tires, and possibly the wheels and the trailer coupler depending on what they are rated for now. But we can start with the axle. I have included a link to the axle options we carry. If you want to go with a 3,500 pound straight axle beam all the ones we carry are 89 inches long such as # T3584F-8974....
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    Image 1 for
  • Can Heavier Leaf Springs Be Used On Tandem-Axle Boat Trailer
    You can use heavier-duty leaf springs like part # SP-218275 on your tandem axle boat trailer. The dimensions of the springs are the same so you will have no problem installing the new springs.The ride may be a bit stiffer with the new springs but they will work just fine on your trailer. Putting heavier springs on your trailer will not increase the weight capacity for the trailer. Since you mentioned you are replacing the suspension I have attached some links to suspension components...
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  • How To Determine Where to Place Axles on a Tandem Axle Trailer
    To determine the location for the front and rear hangers on your tandem axle trailer you will first need to make sure that you have the correct center point for your equalizer hanger. The center point of your equalizer hanger needs to be located where you will have 60 percent of the frame of the trailer in front of the center of the equalizer hanger and 40 percent behind the center of the equalizer hanger. For example, if the trailers frames length is 18 feet, then the center-line location...
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    Image 1 for
  • Trailer Suspension Parts Needed to Increase Trailer Capacity from 7000 to 10000 lbs Gross Weight
    Your best bet for upgrading the suspension on your trailer with 5,000 lb axles is to change out the springs from 1,750 lb capacity each to at least 2500 lb capacity each. Helper springs would not increase the capacity of your original suspension, they are designed to help your suspension handle loads up to the rated capacity of the suspension. If your trailer suspension is built with double eye springs you will need to measure the springs with no load on them from the spring eye center...
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  • Parts Needed to Replace Leaf Springs, Shackles and Hangers on a Tandem Axle Trailer with 3 Inch Axle
    The # SP-218275 springs are not designed for use with a 3 inch Dexter axle. A 3 inch axle is rated for at least 6,000 pounds so you would need to go with the # SP-198275, 6-Leaf Double-Eye Spring. The # SP-198275 spring has a 24-7/8 inch length and will have the same axle spacing, 34 inches, as the # SP-218275 spring that you referred to. You should check your current axle spacing or wheel and tire size to be sure the 34 inch spacing will provide clearance to mount the tires on your...
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  • Torque Rating Requirements for Installing Leaf Springs on a 7000 lb Tandem Axle Trailer
    The torque requirements for leaf spring u-bolts depend on the diameter of the u-bolts that are being used. If the gross weight of your tandem axle trailer is 7,000 lbs, then you likely have two 3,500 lb axles. Typically 1/2 inch diameter u-bolts are used with leaf springs for 3,500 lb axles and they have a torque rating of 45 ft/lbs to 70 ft/lbs. The shackle bolts do not require a specific torque rating because tightening the shackle bolts too much will squeeze the shackle straps against...
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  • Replacement Leaf Springs for Tandem Axle Trailer
    To determine the correct replacement springs there are a couple of things you will want to look at. First, you will need to know the axle capacity. This information should be on a sticker or plate on the trailer tongue or frame somewhere. If you cannot find this information it could be stamped on the axle somewhere. And if you cannot find it there then you could go by the axle diameter, if it is a round axle: 1,000-lb - 2,000-lb Axles: 1-1/2" - 1-3/4" diameter 3,500-lb Axles: 2-3/8"...
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  • How To Determine If Alignment Of Trailer Suspension Hangers Will Cause Problems
    The axle needs to be monted square with coupler on your trailer or you could run into an issue with tire wear or suspension issues. The best way to check is to install the springs and the axle and before you install the hubs and wheels measure from the end of the spindle to the center of the coupler. Do this on both sides of the trailer. If they are the same distance then you should not have any problem. If they are not exactly the same I recommend returning the trailer to the person...
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  • Can Springs Be Upgraded on 5th Wheel Trailer With 5,200-Lb Axles
    You may go up to a higher weight capacity spring as long as the eye-to-eye length and the width will fit, but the higher capacity springs WILL NOT increase the weight capacity of your trailer. The weight capacity will still be limited to whatever the lowest rated component of the system is, whether it be the axle, the shackles or the equalizer. If you decide to go with the higher-rated springs, you will be making the axle and the spindles the lowest-rated component, which can cause failure...
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  • Recommended Replacement Leaf Springs for Ranger Boat Trailer with 3000-lb Axles
    It is tough to get a correct eye-to-eye measurement on a double-eye leaf spring when the spring is still installed in the suspension. It is much better to measure for a replacement leaf spring by removing it first. Also, if a spring is very old and well-worn it can actually become longer than it was when new. Years of use can cause a leaf spring to elongate by as much as 1/2 to 3/4-inch. In a 1-3/4-inch wide double-eye spring rated for a 3500-lb axle, we offer the 4-leaf # SP-210275...
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    Image 1 for
  • Replacement Leaf Springs and Spring Hangers for 2010 EZ Loader Trailer
    I checked the specs for several model years of the EZ Loader trailer models like your TAL102B 20-23 5200 but no detail is provided for the leaf springs other than that they are rated for the trailer's 5200-lb axle. To know the actual length of your existing leaf springs you really need to pull one out of the trailer's suspension. When the spring is installed on the trailer it is much tougher to get its exact length. We have two spring options that could work for your 5.2K axle. Part...
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  • Will Double-Eye Springs # PR4 Fit 2004 Cardinal Travel Trailer w/ Rockwell American 93103 Springs
    I made a call to my contact at Rockwell American and was able to obtain some information on the springs that are currently on your 2004 Cardinal travel trailer. Your current springs, 93103, have an axle capacity of 4,400 lbs, are 1-3/4 inch wide, and measure 25-1/4 inches from center eye to center eye so the 4-Leaf Double-Eye Spring, # SP-218275, will work for you. This spring is a very close match with the only difference being the slightly higher axle capacity at 4,800 lbs. I have...
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  • Do Trailer Leaf Springs Have Life Expectancies
    There is no rule of thumb concerning life expectancy of trailer leaf springs 5,000 lb axle leaf springs part # SP-218275. There are many variables that can affect the life expectancy of leaf springs. These variables include keeping the suspension maintained and ensuring that the trailer is always loaded within its load capacities and how rough of roads you travel on. If your springs aren't sagging, are free of corrosion, and are not showing any evidence of cracking or other damage...
    view full answer...
  • How to Select Replacement Leaf Springs for Tandem Axle Boat Trailer
    We can help you with replacement leaf springs for your tandem axle boat trailer. We recommend to replace the springs on both sides of the trailer axle, not just the one broken one, to avoid problems with the trailer tracking straight as you go down the road. If you click on the linked page you'll see our main page for trailer springs. Just click on the type you need, double-eye or slipper, and then on the axle weight rating. Usually there will be a sticker on your axle that tells you...
    view full answer...
  • Bronze Bushing Recommendation for Leaf Springs # SP-218275
    The leaf spring part # SP-218275 is a 5,000 lb capacity trailer leaf spring that measures 25-1/4 inches long. The biggest factor with picking out leaf springs is to go with the spring that matches capacity first and then length second as hangers can be moved. The bushing kit then that you mentioned of part # K71-291-00 is the correct fitting bushing as well.
    view full answer...
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  • Leaf Spring Recommendation for a Trailer to Stiffen Up Suspension that has 3,500 lb Axles
    Regardless of the amount of leaves a leaf spring has if the capacity is the same between two of them they would both flex and bottom out the same. I would recommend you have your trailer and boat weighed so that you know whether or not you are overloading the trailer/leaf springs. You should note that going to a heavier spring won't necessarily give your trailer a higher weight rating, just a higher spring rating. For a higher rated spring you would want the part # SP-218275 as it...
    view full answer...

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