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Description
24-1/2" Trailer Leaf Spring - Slipper Flat End - 3 Leaves - 4331-7Product Specifications for Slipper Leaf Spring 4331 7 Number of Leaves 3 Leaf Spring Width 1 3 4" A Spring Length: 12 1 8" B Spring Length: 14 1 4" C Spring Arch: 4" D Stack Height: . 079" E Eye to End Length: 24. 5" Eye Diameter: 9 16" Leaf Material: . 262" Leaf Spring Capacity: 750 lbs. Slipper End Type Radius End Alternate SKU: UNA 178, UNA178, WE 3, WE3, 4331 07, 433107, UNA 203, UNA203, WE3 433107 UNA203, WE3433107UNA203, WE3433107, LR24503F,
Product Specifications for Slipper Leaf Spring 4331-7
Number of Leaves - 3
Leaf Spring Width - 1-3/4"
A - Spring Length: 12-1/8"
B - Spring Length: 14-1/4"
C - Spring Arch: 4"
D - Stack Height: .079"
E - Eye to End Length: 24.5"
Eye Diameter: 9/16"
Leaf Material: .262"
Leaf Spring Capacity: 750 lbs.
Slipper End Type - Radius End
Alternate SKU: UNA-178, UNA178, WE-3, WE3, 4331-07, 433107, UNA-203, UNA203, WE3 433107 UNA203, WE3433107UNA203, WE3433107, LR24503F, TS820-3, TS8203
Leaf Spring Width - 1-3/4"
A - Spring Length: 12-1/8"
B - Spring Length: 14-1/4"
C - Spring Arch: 4"
D - Stack Height: .079"
E - Eye to End Length: 24.5"
Eye Diameter: 9/16"
Leaf Material: .262"
Leaf Spring Capacity: 750 lbs.
Slipper End Type - Radius End
Alternate SKU: UNA-178, UNA178, WE-3, WE3, 4331-07, 433107, UNA-203, UNA203, WE3 433107 UNA203, WE3433107UNA203, WE3433107, LR24503F, TS820-3, TS8203
Product Description: Slipper Leaf Spring 4331-7
The 4331-7 slipper leaf spring is a versatile suspension component suitable for various trailer types, including utility, boat, travel, dump, and horse trailers. This slipper spring features a 9/16-inch ID nylon bushing installed on one end and a flat slipper end on the other for reliable performance and durability.
With a capacity of 750 lbs., this slipper spring is designed to handle light loads effectively, making it a dependable choice for trailer applications. This model is identical to slipper spring part numbers UNA-178 and WE3.
Measurement Guidelines
To ensure an accurate fit, measure along the surface of the leaf spring. Note that eye-to-end measurements may vary over time due to the spring flattening with use. If you have any questions, contact the experts at Spring Works for assistance or open our chat for AI responses to common questions.
Important Replacement Note
Always replace 4331-7 slipper leaf springs in pairs to maintain proper height, axle alignment, and performance.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.2 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Tought Toy that Last
Tough Chewer love this thing. Has all types of grooves to gnaw at. Has held up pretty well.Haven't food any pieces broken off al over. Dog is about 20 lbs.
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Reviewed in the United States on January 21, 2026
★★★★★ 5
One of his favorite chew toys!
Durable for aggressive chewers! I'm glad I purchased this dog toy and I'd definitely buy it again,... however i don't think he'll ever destroy this one... So we're good here!
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Reviewed in the United States on May 28, 2026
★★★★★ 1
Poor quality.
The little nodes on the ring break off and my dog ate them. Hopefully it will pass.
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Reviewed in the United States on May 28, 2026
★★★★★ 5
Great chew toy
I have two golden and they are chewers but this chew toy has stood the test of heavy chewers.
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Reviewed in the United States on August 20, 2025
★★★★★ 3
Not for super aggressive chewers even though..
My 10 month old Mastiff chewed this pretty well for a couple hours but I had to take it away from him as it has pieces missing and its not a complete ring anymore.
Definitely not indestructible or even close to indestructible.
I was sure hoping though. But nope.
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Reviewed in the United States on August 2, 2025