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Description
24-5/8" Trailer Leaf Spring - Slipper Radius End - 5 Leaves - 4351-12Product Specifications for Slipper Leaf Spring 4341 12 Number of Leaves 5 Leaf Spring Width 1 3 4" A Spring Length: 12" B Spring Length: 14 1 2" C Spring Arch: 4" D Stack Height: 1. 185" E Eye to End Length: 24. 62" Eye Diameter: 9 16" Leaf Material: . 237" Leaf Spring Capacity: 1,240 lbs. Slipper End Type Radius End Alternate SKU UNA 180, UNA180, US 3069, US3069, URB24255, WI 5, WI5, 4351 12, 435112, WI5 435112, WI5435112, LR24505F Product
Product Specifications for Slipper Leaf Spring 4341-12
- Number of Leaves - 5
- Leaf Spring Width - 1-3/4"
- A - Spring Length: 12"
- B - Spring Length: 14-1/2"
- C - Spring Arch: 4"
- D - Stack Height: 1.185"
- E - Eye to End Length: 24.62"
- Eye Diameter: 9/16"
- Leaf Material: .237"
- Leaf Spring Capacity: 1,240 lbs.
- Slipper End Type - Radius End
- Alternate SKU UNA-180, UNA180, US-3069, US3069, URB24255, WI-5, WI5, 4351-12, 435112, WI5 435112, WI5435112, LR24505F
Product Description: Slipper Leaf Spring 4351-12
The 4351-12 slipper leaf spring is a versatile suspension component suitable for various trailer types, including utility, boat, travel, dump, and horse trailers. Same as slipper spring part number UNA-180 and WI-5. This slipper spring features a 9/16-inch ID nylon bushing installed on one end and a slipper end on the other for reliable performance and durability.
With a capacity of 1240 lbs., this slipper spring is designed to handle heavy loads effectively, making it a dependable choice for trailer applications.
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 4351-12 slipper leaf springs in pairs to maintain proper height, axle alignment, and performance.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
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4.4 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Nuggets of knowledge
Format: Paperback
This book has a lot of knowledge you may already know and/or would definitely see anywhere else on the internet.
I found this to be an easy read that I briefly scan over until I find what I’m more curious about. There are several parts we found to be helpful and just good to have. It’s like adding more “tools”(skills) to the tool chest.
As a new parent, I’m always trying to be a learner. We learned from the little nuggets of knowledge inside these pages
It’s a very affordable book that you can buy used for just a few bucks. Low risk, high reward.
Best of luck to all the new parents out there and congrats to your growing families. 🤙
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 29, 2023
★★★★★ 5
The Happiest Baby on the Block Book
Format: Paperback
Great baby shower gift
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 2, 2026
★★★★★ 3
Great lessons, very repetitive content
Format: Paperback
Not that I am hoping my baby will be a screamer, but if he is I hope that the lessons learned from this book will be put to good use. It’s a decent read in terms of learning actual techniques - hence the five stars - however its length is equivalent to being given a 2,000 word assignment and you reiterate the same five things four times in different ways.
I would recommend buying the video on Amazon Video for like $5 to see how the man actually puts these techniques to practice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 14, 2026
★★★★★ 5
Helpful, practical advice for new moms
Format: Paperback
I give this book to all the new moms I know. It gives them something to hang onto when their newborns are hard to soothe.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 8, 2026
★★★★★ 5
No smell, all scrubbing power
Style: Detoxify - Stretch Cloth, Size: 3 Count (Pack of 1)
Best washcloths out there..they got some serious scrubbing power. Suds up well and rinses out well. Stretches out well enough to scrub the back. Highly recommend these
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
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