1. Trailer Leaf Spring Suspension
  2. Universal Group
  3. Leaf Springs
  4. Springs
  5. Slipper Springs - 2 Inch
  6. 26-5/8 Inch Long
5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long

5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long

Item # SP-232275
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Our Price: $56.76
Trailer Leaf Spring Suspension
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Shipping Weight: 19 lbs
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Universal Group Springs - SP-232275
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Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 7,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing with 9/16" inner diameter. Lowest Prices for the best trailer leaf spring suspension from Universal Group. 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long part number SP-232275 can be ordered online at etrailer.com or call 800-298-1624 for expert service.
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  • Reviews (74)
  • Q & A (33)
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  • Why etrailer?

Universal Group Trailer Leaf Spring Suspension - SP-232275

  • Leaf Springs
  • Springs
  • Slipper Springs - 2 Inch
  • 26-5/8 Inch Long
  • 7000 lbs
  • Universal Group

Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 7,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing 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 bushing included
  • Pre-mounted hangers or aftermarket hanger kit (sold separately) required for installation
    • Eye of spring attaches to hanger mounted on trailer frame
    • Slipper end slides into hanger or equalizer


Specs:

  • Quantity: 1 leaf spring
  • Spring capacity: 3,500 lbs
  • Axle capacity: 7,000 lbs
  • Length from center of spring eye to end of spring: 26-5/8"
  • Spring width: 2"
  • Eye diameter with bushing: 9/16"
    • Eye diameter without bushing: 11/16"
  • Leaf thickness: 3/8"
  • Number of leaves: 5
  • Additional dimensions: see table


Hook End Slipper Spring

Part NumberABCDEF
SP-23227511-1/4"22-3/4"26-5/8"12"16-1/16"3-3/16"


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.


Slipper leaf springs attach to hangers that are welded onto your trailer. The eye of this spring will attach to the front hanger with a suspension bolt. The hooked slipper end of the spring will slide into the rear hanger. If you have a tandem- or triple-axle trailer, the slipper end will slide into the equalizer that connects multiple springs. The shape of the slipper end of a leaf spring may vary slightly due to differences among trailer manufacturers. Because of this, it's important to check your leaf spring's slipper end before purchasing a replacement spring.


To mount this spring, you will need hangers, a suspension bolt, and possibly a spring keeper bolt, depending on the design of the rear hanger. If you are simply replacing a spring, you may still have hangers welded onto your trailer, but it would be wise to replace the bolts as they can experience wear. It is also 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-232 Universal Group Slipper Trailer Leaf Spring - 5 Leaf - 3,500-lb Capacity

Replaces 1203T3






Customer Reviews

5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long - SP-232275

Average Customer Rating:  4.9 out of 5 stars   (74 Customer Reviews)

Slipper leaf spring acts as part of a trailer's suspension system by providing an attachment point for a 7,000-lb axle. Spring flexes to resist shock and also ensures a smooth ride. Includes bushing with 9/16" inner diameter.

- SP-232275
by:

These springs fit our Appalachian deck over equipment perfectly. I will definitely call etrailer for any of our future trailer repair needs. I included before and after pictures.



- SP-232275
by:

Vert quick shipping



- SP-232275
by:

ordered for a restoration of older camper worked as expected



- SP-232275
by:

Perfect fast shipping will do business with again



- SP-232275
by:

The unit is working fine according to the users of the trailers.



- SP-232275
by:

Perfect fit, :45 min to install both.



- SP-232275
by:

I ordered these products to rebuild a 1966 equipment trailer that had some serious suspension issues due to poor repair work by previous owners. I was very impressed by your quality and service and plan on placing an order in the near future.



- SP-232275
by:

The springs and clamps that I received from etrailer are perfect replacements for my 7 tn. construction trailer. The product is of good quality as the other products have been.



- SP-232275
by:

First one broke after two weeks, But etrailer sent out a replacement without even asking. Will be doing more business with them.



- SP-232275
by:

slipper spring as specified, better than original, fit, and catalogue made selection certain. shipped & delivered on time



- SP-232275
by:

Great fit, appear to be good quality. Installed well and the trailer is back on the road



- SP-232275
by:

Great product at a great price. I put these on a 20 ft livestock trailer and have not had any problems.



- SP-232275
by:

Exactly what I needed at a good value and on time delivery. The only problem was the spring had pushed thru the side of the box and was sticking out about 6 inches. Should have had some packing materials inside the box to prevent or at least limit movement. I have bought here before, always provide a great product and a good price.



- SP-232275
by:

Fit great as a replacement for a broken dexter spring. Has held up well!



- SP-232275
by:

The part that I needed


Comments
working good, just the right product
Michael - 04/24/2020


- SP-232275
by:

Direct replacement, easy installation. Everything worked as it should have. The only issue is one of the 4 springs was missing due to UPS tearing up the box. Etrailer submitted a claim and I got the replacement part right away. Will keep their website in my favorites for sure.



- SP-232275
by:

These lease Springs were exactly what I needed and Nick understood where I was trying to do and made it simple thanks for your help!!



- SP-232275
by:

Always exceptional service when doing business here. This is a "GO TO" company for us whenever we need trailer parts because of their easy to use website, free shipping, and excellent service.



- SP-232275
by:

perfect match, most important shipped same day and fast delivery. Will buy again.



- SP-232275
by:

Some times leaf spring are a pain in the butt, they change with age. After speaking to Michael H we came to an agreement that this was indeed the correct spring, New U-bolts and all arrived Fast. Thanks for your help and speedy shipping.



- SP-232275
by:

etrailer has been a painless company to deal with. There web site is spot on and very informative. Working at a company that has over 30 towable pieces of equipment and the availability of a wide range of parts has been a joy. The quality has been very good the delivery is always on time and the prices are way with in reason. The best part is being able to order on line and having a very well designed web store.



- SP-232275
by:

Jan was a great help and the products were as described. Will order again from E-Trailer. My only concern is the packaging, when I received my order, the outer box was ripped, the smaller inner box was also open. Luckily, all the nuts were still in the main box, but the nuts could have fallen out in transit.



- SP-232275
by:

Parts arrived very quickly! And parts appear to be good quality. Thanks for the good service!



- SP-232275
by:

Excellent product selection, great prices and fantastic service. I will be back when I need parts for my 7 ton tag a long trailer.



- SP-232275
by:

Great! Perfect fit. Will recommend and use your service in the future. Thanks.


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Show More Reviews

Ask the Experts about this Universal Group Trailer Leaf Spring Suspension

  • Hanger Kit and Slipper Spring Spacing for Tandem 7,000 lb Axles to Add 16 Inch Wheels
    The spacing is going to depend on the size of your tires, so let's start with that. For a 16 inch wheel/tire combo with an 8 on 6-1/2" bolt pattern the best option is a ST235/80R16 size tire with a load range of G to handle the capacity of your tandem 7,000 lb axles. A ST235/80R16 tire will measure nearly 31 inches in diameter so if your axles centers are spaced 36 inches apart you will have plenty of room. For the slipper springs you were right on with the 5-Leaf Slipper Spring w/...
    view full answer...
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  • TRAILER SPRINGS
    For the large 8000 lb. springs you want to use U-Bolt Kit for Mounting 8,000-lb, Round Trailer Axles part # APUBR-35 and for the smaller 3500 lb. springs use the U-Bolt Kit for Mounting 3,500-lb, Round Trailer Axles part # APUBR-1. Thes will give you the u bolts, nuts and the new plates so you will be set.
    view full answer...
  • Slipper Leaf Springs, Equalizer and Wet Bolts for 2009 PJ Dump Trailer 7 x 14 14K
    Yes, the leaf spring part # SP-232275 would work great on a tandem axle 14k trailer like your PJ dump trailer. The equalizer part # TREQ4541 is the correct one to use as well with this spring and trailer. For wet bolts you'd need the part # TRFA71063 for a 7/8 inch center bolt and then part # 126B2 for the 9/16 inch bolts and you'd be set.
    view full answer...
  • Hanger Spacing Used When Installing Triple Axle Slipper Spring Kit
    I can give you a general estimate but the only way to get it just right is to mock up all the parts to determine the proper locations prior to permanently installing everything. On a triple axle trailer with 2 inch wide slipper springs the distance from the first and second hangers would be approximately 28-1/2 inches. From the second to third hangers it would be approximately 33 inches. And from the third to fourth hangers it would be approximately 28-1/2 inches. For this set up the...
    view full answer...
  • Recommended Slipper Spring And U-Bolt Kit For Trailer With 7,000 Lb Axle
    We have just what you are looking for. The slipper springs we offer for a 7,000 lb axle are part # SP-232275. This is a 5-leaf spring that measures 26-5/8 inches long and 2 inches wide. It is always recommended to replace both sides of the trailer suspension at the same time to make sure they wear evenly and support the trailer evenly as well. You can check out the attached photo with the dimensions noted for the leaf spring. When checking the dimension of the spring you will want to...
    view full answer...
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  • Trailer Slipper Spring to Replace Dexter 072-032-00 Spring
    I did a little research and found that slipper spring # SP-232275 does have similar specs and measurements as Dexter spring 072-032-00. Both are 2 inches wide, 5-leaf slipper springs but # SP-232275 is 26-5/8 inches long with 3,500 pound capacity for 7,000 pound axles. I have linked a video review of this spring for you.
    view full answer...
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  • Slipper Springs vs. Double Eye Springs, Would Either Cause Severe Alignment Problems
    Both slipper springs and double eye springs will work just as well as the other as long as they are rated for the weight of the trailer. Typically slipper springs are seen more on the heavier capacity trailers. The issue you are having would not have anything to do with your leaf spring style. You either have worn out suspension components on your trailer or the axle/spindle/hub has serious problems that need to be addressed. I would recommend you either examine everything I just mentioned...
    view full answer...
  • Converting from Double-Eye Leaf Springs to Slipper Springs on my Triple Axle Trailer
    When looking to convert your triple axle double eye spring trailer to slipper springs, I recommend going with the 5-Leaf Slipper Spring, # SP-232275, for your 7,000 LB axles. This spring has a 3,500 LB capacity, an axle capacity of 7,000 LBS, and the height of this spring is the same as your current 6-Leaf Double-Eye Spring, # SP-198275. When it comes to whether there will be a change in the ride height when switching from double eye springs to the slipper springs, this is going to depend...
    view full answer...
  • How to Select Replacement Trailer Leaf Springs for 5K Axles
    Trailer leaf springs should always be replaced in pairs and selection of new springs should be based on the axle weight rating, the spring eye-to-eye length and the number of leaves in the spring. The linked articles on trailer suspensions will be of interest. The linked page displays all of our leaf springs, both double-eye and slipper types. You can use the filters on the age to select your axle capacity (I am thinking two 5K axles) to then see suitable-rated leaf springs. For example,...
    view full answer...
  • Recommended Triple or Quad Axle Suspension for Trailer Build
    Since you are building a trailer I first want to state that using quad axles isn't ideal. It will cause tire scrub as there becomes too broad an axle base for the trailer to track as nicely. That is why most trailers will use tandem or triple axles as needed for load capacity. If you just want to add the 4th axle for overbuild reasons it will bite you as you will need to replace tires more often. Most of the professional semi flat bed trailers that have the quad axles are for transporting...
    view full answer...
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  • Replacement Slipper Leaf Spring for 4 x 8-Foot Harbor Freight Folding Trailer
    We do carry a range of trailer suspension parts including leaf springs, both double-eye and slipper types like your 2-inch-wide slipper spring. However, the shortest such slipper springs are 26-5/8-inches long. These are intended for applications on axles with weight ratings from 4K up to 8K. Our slipper springs' lengths are taken from the center of the eye to the far end of the spring, as on the linked image of part # SP-232275 (dimension C). We do have a 20-3/8-inch-long double eye...
    view full answer...
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  • How to Determine if Leaf Springs Will Work on 7,000 lb Trailer Axle
    We may have an option for you but don't have any way to know the current suspension or leaf springs you have on your current trailer axles. The two leaf springs we carry for a 7,000 lb axle are: - Double-Eye Suspension: 6-Leaf Double-Eye Spring for 7,000-lb Trailer Axles - 24-7/8" Long # SP-198275 - Slipper Spring Suspension: 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long # SP-232275 In order to determine if these will fit you will need to measure the...
    view full answer...
  • If Slipper Spring Disconnected When Jacking Up Trailer Will It Be Okay to Reinstall Spring
    As long as none of the hangers are damaged you should be fine to reinstall the slipper spring on your trailer. You'd want to double check to make sure there is no damage to the suspension in anyway. If you need new hangers I attached a link to this page that has all of the slipper spring hangers we carry for you to check out.
    view full answer...
  • How to Measure for Replacement Silpper Springs for 12K Trailer
    Given the description, it sounds like you have a slipper spring suspension. The # SP-232275 springs you looked at are a likely replacement, but it's best to get a correct measurement. Generally speaking, you'll want to measure from the center of the spring eye to the highest point of the slipper end, as well as to the end of the spring, as shown in the provided photo. Because leaf springs tend to flatten out as they age, you'll want to take your measurement with the trailer up on jack...
    view full answer...
    Image 1 for
  • Measurements for 5-Leaf Slipper Spring w/Hook End for 7,000-lb Trailer Axles SP-232275
    The B measurement for slipper spring # SP-232275 is from the center of the eye to the part of the opposite end where it levels out after the bend. The spring eye center to the end is 26-5/8 inches. The overall length would be about 27 inches. With worn springs they will flatten out some and have slightly different measurements than a new spring. That is likely what is going on here. Out of the available options for 2 inch wide slipper springs for 7,000 pound axles # SP-232275 is the...
    view full answer...
    Image 1 for
  • Proper Configuration of Trailer Suspension Components
    The proper configuration of trailer suspensions is shown in the linked article. In a triple-axle set up on each side of the trailer there will be a total of four spring hangers welded to the trailer, two equalizers and four sets of shackle straps. Please refer to linked photo taken from the article. I also included an article concerning axle placement on trailers and a link to our main page for all trailer suspension parts.
    view full answer...
    Image 1 for
  • Replacement 5-Leaf 27" Long Slipper Leaf Springs For 7,000lb Trailer Axle
    The 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles # SP-232275 does appear to be the most likely to fit your suspension system. It is common for old springs to become wore out and sag. When they do this the overall length that you are measuring will become a little longer. As we know the length from center of eyelet to center of axle pin is 12" following the curve of the spring and that the center of the axle pin to the end of the spring is 16-1/16" following the curve....
    view full answer...
    Image 1 for Image 2 for Image 3 for
  • Recommendation To Replace Slipper Spring And Bushings
    Yes, you will need to replace the spring with something like Item # SP-232275. It is best to replace all springs at the same time so that you have even support and maintenance for the trailer. We do not carry 2 inch never fail bushings. I contacted Lippert Components who manufactures never fail bushings and they do not have a 2 inch option available at this time. It also sounds like you have a new axle. Your hubs and axle shaft/spindle should work together so long as the bearing...
    view full answer...
  • Could Slipper Spring # SP-232275 Fit 2013 Kaufman EZ4
    If your 2013 Kaufman EZ4 trailer has a 7,000 axle and uses slipper springs that are 26-5/8 inches long then the leaf spring part # SP-232275 that you referenced will fit and work well. We don't have a way of looking up what your trailer's suspension has so I am unable to find that info for you.
    view full answer...
  • Fender to Tire Clearance Recommendation for a 5k Rated Trailer Slipper Spring
    The only 5,000 lb rated trailer leaf spring we offer is the Slipper Spring part # 1003T3. The distance from where the spring bows up to where the hangers of the spring are is 3 inches. So if the spring were to completely flatten out the axle would have to move 3 inches. I would recommend 4 inches of clearance between the fender and the top of the tire just to be safe.
    view full answer...
  • Weight of 5 Leaf 7,000 lb Slipper Spring
    The 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles - 26-5/8" Long # SP-232275 shipping weight is 19 lbs so the spring will be around 18 lbs.
    view full answer...
  • Determining Correct Replacement Leaf Springs For 1962 Kencraft Trailer
    I would be happy to help you determine the correct replacement leaf springs for your 1962 Kencraft Trailer, but unfortunately we do not have a way to look up which specific springs your trailer uses. Instead you will need to measure your current leaf springs from center of spring eye to center of spring eye if it is a double eye spring, or from center of spring eye to end of the spring if it is a slipper spring. When taking these measurements the trailer axles need to be off the ground...
    view full answer...
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  • Replacement Triple Axle Hanger Kit for 2015 Kaufman Car Hauler with 7k Axles
    What you have is a slipper spring setup on your 2015 Kaufman car trailer. So what you need for a triple axle hanger kit then is the part # APTT6SE which comes with everything needed. If you need new leaf springs too you'd want the 7k rated part # SP-232275 for each one.
    view full answer...
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  • Will Dexter Tandem-Axle Trailer Hanger Kit # HAP-105-205-01 Fit Dexter 7000 Axles on Dump Trailer
    If you have 2 inch wide 7k slipper springs like the part # SP-232275 and your current axles are 38 inches apart on center the hanger kit part # HAP-105-205-01 that you referenced would be what you'd need.
    view full answer...

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Info for this part was:

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