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  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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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 or call 1-800-940-8924 for expert service.
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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.


  • 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


  • 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

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   (90 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.


Really great quality and fast shipping! It fit the trailer perfectly...


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.


Very happy with the service ( no nonsen se)


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.


Service was terrific with great communication from start to finish. Got the springs, have them installed and am one happy customer. Thanks so much!


Perfect fit, :45 min to install both.


Worked perfect no issues with it . Install was easy


great service, arrived early


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.


Worked great fast shipping


Perfect fast shipping will do business with again


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.


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.


ordered for a restoration of older camper worked as expected


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


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.


Very pleased with the product and the quick delivery. It put my trailer back on the road with quality more worries. I would recommend to anyone!


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.


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.


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


Over the years I have done business with etrailer and I have yet to have a problem or even send something back


Good quality springs and bolts, revived the suspension on the trailer. Quck turn around and delivery.


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


Received the springs yesterday. Will let you know how they work out after they are installed. The look good!

Have not finished installing them yet
Richard - 08/26/2017


Vert quick shipping

Show More Reviews

Ask the Experts about this Universal Group Trailer Leaf Spring Suspension

  • 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 numbers...
    view full answer...
  • 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...
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  • 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...
  • 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...
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  • 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...
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  • 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...
  • 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 best...
    view full answer...
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  • 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...
  • Is the 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles Equivalent to the 1203T3 Spring
    The 5-Leaf Slipper Spring w/ Hook End for 7,000-lb Trailer Axles # SP-232275 is equivalent to the 1203T3 and is listed as its replacement. This 5 leaf spring measures 26-5/8" long and has a capacity of 3,500 lbs. As noted down below on the product page, to ensure proper axle alignment and suspension performance, leaf springs should always be replaced in pairs. I have attached a video review for your reference.
    view full answer...
  • Replacement 5 Leaf Slipper Spring for a Tandem Axle Dump Trailer with Two 6K Axles
    If your current springs have 5 leaves then going to a 7 leaf spring will increase the height of the trailer a little and make the trailer more susceptible to sway. Regarding capacity if you go with springs rated higher than what is required it will be very stiff and can cause a very rough ride on the trailer. For the best ride I recommend sticking with the recommended size # SP-232275 and I do recommend replacing all of the springs at the same time to avoid uneven wear.
    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...
  • Which Leaf Springs for 7000-lbs Axles
    You're going to choose the correct leaf spring replacement based off of the type of spring (either double eye or slipper), the capacity and the length of the spring; the spring pack size is mostly inconsequential. It looks like there is only one option available for 7000-lbs springs in double eye and slipper springs, but I do still recommend measuring to confirm that your existing springs are close to these (within an inch of so). If you've got a double eye spring that is around 25" long...
    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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  • Slipper Spring Recommendation with 11-1/4 inches From Eye Center to Bolt Center
    We have the slipper spring part # SP-232275 which has 11-1/4 inches from the center of the eye hole to the spring pack bolt. It is also 26-5/8 inches long. It has a 7,000 lb axle capacity as well.
    view full answer...
  • 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 spring...
    view full answer...
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  • Why End of Does Leaf Spring of 2015 Nash 23D Bend Down
    It's probably a slipper spring which is just a style of leaf spring. The bend in a way keeps the spring from falling off of the hanger like on the part # SP-232275.
    view full answer...
  • How to Measure Leaf Springs on a 2020 Forest River Cherokee Alpha Wolf 26DBH-L
    While we do have a way to measure your leaf springs, we do not have the specs that show the exact leaf spring size on a 2020 Forest River Cherokee Alpha Wolf 26DBH-L. With that being said, you can definitely figure out the measurements you need on your trailer. The measurements you need depend on if you have double-eye leaf springs or slipper springs on your rig. If you have double eye springs, here is the information we need: - number of leaves needed - axle weight rating - length...
    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 length...
    view full answer...
  • How Do I Measure Leaf Springs in Order to Determine What Replacement I Need?
    When it comes to leaf springs, there are different ways to measure the springs whether you have double-eye springs or slipper springs. If you have double-eye springs like the # SP-051275, here is how you measure them: - length of center eye to center eye - length of center eye to the center of the spring If you have slipper springs like the # SP-232275, here is how you measure those: - length of center eye to end of spring slipper - length of center eye to highest slipper point I...
    view full answer...
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  • 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...
  • Dimensions of U-Bolt Kit for Mounting 5,200-lb to 7,000-lb # APUBR
    The U-Bolt Kit for Mounting 5,200-lb to 7,000-lb, Round Trailer Axles - 7-1/4" Long U-Bolts # APUBR-9 you asked about has overall bracket dimensions of 5-1/4 by 3-3/4 inches. The center on center hole measurements are 3-3/4 inches for your u-bolts and 2-5/8 inches between them for your leaf springs. Most double eye leaf springs will be 1-3/4 inch wide like # SP-198275 where slipper springs can be 2 inch like # SP-232275 and still work with this kit. Wider slipper springs like the 2-1/2...
    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...
  • 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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