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A rough ride beats up your trailer and everything inside it. This 3-Leaf Slipper Spring flexes to absorb road shock and keep things level when the pavement gets broken or uneven. Designed for 2,900-lb trailer axles, each spring has a 1,450-lb capacity and measures 30" from the center of the spring eye to the flat end when unloaded. The natural flex of the three leaves soaks up bumps and vibration, helping your trailer track steady and ride smooth.
Heavy loads and long miles demand strong suspension parts. Each leaf in this spring is built from durable steel with a 3/8" thickness, giving it the backbone to carry weight without sagging or twisting. The flat-end slipper design slides into the rear hanger or equalizer for a solid connection that holds up over time. It’s the kind of hardware that you can count on trip after trip.
Installing new springs shouldn’t mean wrestling with parts that don’t line up. This spring includes a nylon bushing with a 9/16" inner diameter in the front eye, so it fits standard hangers and bolts without modification. The 1-3/4" width matches common slipper spring hardware, making it easy to mount the front eye to the hanger on the frame while the flat end slides cleanly into place at the rear.
Suspension parts wear and stretch over time. Replacing both springs together keeps your axle alignment true and your trailer level. When paired up, these 30" long springs maintain equal height and tension side to side, ensuring even tire wear and smooth tracking down the road.
Customer Satisfaction Score:
97% were satisfied with this product
3% of customers were not satisfied
Ratings & Reviews
Exactly what we needed and fast deliver y!
Leaf springs went on easily
Haven't got them installed yet, but they look fine. Received the product in a very timely manner and I'm glad I ordered from etrailer.com. I will order other products from etrailer as needed.
It came in a timely fashion well packaged and who doesn't like free shipping
Fits perfect
Product looks to be fine, but one spring was half out of the box it came in. The UPS driver was wondering if it was damaged, so he waited until I compared each spring. I'm building a homemade trailer and these should work well. I appreciate the quality of your products and old school consideration to your customers.
Fit like a glove
Haven't gotten them installed yet but look like a very good quality, can't beat the price. Delivered in great condition. Free delivery!!! Yea.
My 1990 utility trailer load capacity was very low.
The picture shows the wheel well clearance’s before/after.Many trips with no problems.
Worked perfect on my trailer great prod uct
The leaf springs are excellent however the bushings I bought with a 1/2 ID and 7/8 inch OD would not fit in the round end of the leaf springs. I went ahead and used the 9/16 ID ones that came already installed. You might want to check this yourself at the factory.
Fit perfect!
Exactly what I needed. Chef’s kiss on the fit. Only company I’ve ever bought from that gives you tracking EVERY step of the way from pick to pack to ship. Won’t hesitate to buy again. I’d give six stars if it were an option.
Super easy install, bought a different u-bolt kit from somewhere else but had no issues getting these swapped out.
Great service, exact leaf spring i need ed.
Perfect fit for my 53 year old 1971 Cox trailer. Huge improvement over the sagging original equipment.
Good replacement for broken springs
Customer service was very helpful in helping with the correct leaf spring replacement. Ordering was easy and products were shipped the same day. Received order and the fit and quality of the springs were excellent.
Gwendolyn Y.
3/6/2025
Hey Randy! I'm glad our team helped you get what you needed! What are you loading up on your trailer?
Great service and quality
Great customer service & the leaf springs have worked fantastic. Good upgrade for this old boat trailer
Fit perfect good quality good people to do business with I will be back soon
Fast Shipping and very thorough communi cation
Fast shipping and free. Everything fit perfect
The leaf springs on my 4500-lb, dual-axle trailer were heavily rusted and sagging. The 30", 3-leaf slipper spring/w flat end for 2,900-lb axle was an exact replacement. I replaced the shackle bolt and U-bolt mounting for each spring at the same time. And before mounting the leaf springs, I applied 3 coats of grey industrial spray paint to the leaf springs to reduce any further corrosion.
Lazer S.
3/17/2026
Install looks great on there, Scott! And clever use of the water heater box! ^___^ Have fun out there and let us know if there is anything we can help with down the road!
Info for this part was:
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Brenda
12/18/2023
It is still performing well!