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  1. Trailer Leaf Springs
  2. etrailer
  3. Double Eye Springs
  4. 25-1/4 Inch Long
  5. 3500 lbs
  6. 4 Leaf
4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/4" Long
etrailer

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

Part Number: e54SR
In Stock
$54.80
Trailer Leaf Springs
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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. Great Prices for the best trailer leaf springs from etrailer. 4-Leaf Double-Eye Spring for 3,500-lb Trailer Axles - 25-1/4" Long part number e54SR can be ordered online at etrailer.com or call 1-800-940-8924 for expert service.
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etrailer Trailer Leaf Springs - e54SR

Highlights

  • 3,500-lb Axle Capacity: Handles up to 1,750 lbs per side for dependable load support.
  • 25-1/4" Eye-to-Eye Length: Matches standard spacing for proper axle alignment.
  • 4-Leaf Double-Eye Design: Flexes to smooth out bumps and reduce trailer bounce.
  • 1-3/4" Spring Width: Fits common hangers and suspension hardware sizes.
  • 9/16" ID Nylon Bushings: Pre-installed for a quiet, low-friction connection.
  • Sturdy Steel Construction: Built to resist wear and maintain level trailer ride.

Features to know about

Smooth Ride Over Rough Roads: 4-Leaf Spring Handles 3,500-lb Axles

Bumpy roads and heavy loads can wear out old springs fast. This 4-Leaf Double-Eye Spring gives your 3,500-lb axle a solid, flexible mount that resists shock and keeps the ride steady. Each leaf flexes to absorb impacts while spreading the load evenly, so the trailer tracks level and smooth instead of bouncing down the road.

Reliable Suspension Geometry: 25-1/4" Long With 9/16" Eyes

Getting axle alignment right starts with the right size spring. This one measures 25-1/4" from eye to eye (unloaded), 1-3/4" wide, and features 9/16" eye bushings pre-installed. That exact fit keeps your hangers, shackles, and equalizers working in sync so the suspension moves freely and your tires wear evenly.

Lasting Construction for Everyday Use: Sturdy Steel and Nylon Bushings

Built from strong steel with a 5/16" leaf thickness, this spring stands up to long miles and heavy use. The pre-inserted nylon bushings cut friction where the bolts pass through, reducing squeaks and wear at the connection points. That means quieter operation and a longer service life for every suspension cycle.

Easy Replacement When Old Springs Sag: Install and Go

Worn or flattened springs can throw the trailer out of alignment. Swapping in a new spring restores the correct height and geometry right away. Just match it to your 3,500-lb axle setup, replace in pairs for even performance, and you’re back to a balanced, smooth-tracking tow.

Specs

Quantity and Capacity

  • Quantity: 1 leaf spring
  • Spring capacity: 1,750 lbs
  • Axle capacity: 3,500 lbs

Dimensions

  • Length from center of spring eye to center of spring eye (unloaded): 25-1/4"
  • 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

  • Part Number: e54SR
  • A: 12-9/16"
  • B: 13-3/16"
  • C: 25-1/4"
  • D: 3-1/4"

Technical diagram of the etrailer 4-Leaf Double-Eye Trailer Spring, showing labeled dimensions A through D with corresponding measurements for 3,500-lb axle applications.

Note

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

e54SR etrailer Double Eye Trailer Leaf Spring - 4 Leaf - 1,750-lb Capacity

Compares to SP-212275





Customer Satisfaction Score:

Ratings & Reviews

4.7

2340 reviews
5 Stars
(1967)
4 Stars
(216)
3 Stars
(58)
2 Stars
(32)
1 Star
(67)
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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.

by:

Fits great



by:

Great shipping time
Springs are springs
!!
Great communication from before ordering to delivery day



by:

Perfect replacement for dexter 3500 lb axle on my little load trail. The original fractured, so we will see how long these last. They fit exactly like the originals and seem like decent quality.



by:

Great service, communication, and fast reliable UPS shipping. Couldn’t be more satisfied, my trailer is back online and usable.



by:

Springs arrived quickly and well packed



by:

Arrived quick, yet to install



by:

Nice springs! Fit perfectly & got my trailer back on the road.



by:

Perfect for my RV upgrade!



by:

Good product and arrived in two days



by:

Works as it should. No more squeaky spr ings.



by:

Still doing the Job they were created for great



by:

My old springs nylon bushings had completely worn through and wore the ends out of round so that they weren't useable. I ordered these springs and purchased the dexter bushing and greaseable shackle/bolt kit. They now fit perfect and run true down the road. Have placed 5000-Lbs on the trailer without any drop in height.

Brooke M. profile picture
Etrailer Expert

Brooke M.

4/15/2025

That's awesome, Ron. It's so nice when a project goes smoothly and the parts work the way they should. :)



by:

Perfect fit haven't done the road test yet but believe they will work fine.



by:

They failed on the same side.



by:

Leaf spring for bassboat trailer was exact fit. Thanks so much e trailer.



by:

Easily installed and fit perfectly.



by:

Great customer service!



by:

Part fit as it should. Was delivered on date they said it would be delivered. I like that the website lets me know if parts will fit my specific trailer



by:

These springs appear to be identical replacements for the 3500# Dexter axles on my 14'x7' enclosed trailer. I purchased these as "just in case" parts as I am planning a 12500-mile trip this summer. They should bolt right on, if I need them!



by:

Installed 4 new leaf springs on a tandem travel trailer. Installation was as expected.



by:

We purchased these parts for a custom build trailer for hauling heavy tool boxes over steep grades. Since completion of the build about a year ago, we have been using it and put a lot of miles on it. The hydraulic surge brake system makes it worry free. We can tow it behind different vehicles of differing weights and wheel bases and not worry about setting trailer braking, it is very nice. We will continue to use etrailer for our trailer needs.



by:

Good quality , fast shipping great response to questions



by:

Perfect fit. Great customer service. Quick and free shipping.



by:

got new springs when I updated to the Morryde 3000 system and also upgraded with the Moyryde shackles which are much thicker than regular shackles and come with wet bolts and brass bushings. Took my tralier out after a test ride and my trailer was as quiet as a mouse, and rode much smoother, in fact barley noticed i was towing a 5500 lbs trailer. Great service and instructional videos from E-Trailer along with free shipping!



by:

Ended up needing to replace the garbage leaf springs that came factory on the trailer. etrailer was quick to ship and had accurate tracking. Got all 4 swapped out right before our next trip and have worked perfectly so far one year later.

Brooke M. profile picture
Etrailer Expert

Brooke M.

6/30/2025

I'm so glad to hear that, John! :) Do you have any upcoming trips planned for the weekend?

John profile picture

John

7/11/2025

@BrookeM Yes, we just got back from a 250 mile round-trip and the springs worked perfectly
Brooke M. profile picture
Etrailer Expert

Brooke M.

7/11/2025

@John Oh, good! Where did you go? Anywhere new?

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