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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.
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
4.5 ★★★★★
Based on 1227 reviews
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Product Reviews
★★★★★ 1
Not for heavy chewers!
Color: Blue, Color: Blue
Didn’t last more than 10 minutes
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
Built for rough use
Color: Pink
Our dog plays with it for hours
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 17, 2026
★★★★★ 4
great item
Color: Blue
my dog loves and he is a aggressive chewer still going stron
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 5, 2025
★★★★★ 5
Seems to be indestructible
Color: Blue
Quality toy that seems to be indestructible to my aggressive chewer. The down side is that it's not his favorite toy because he seems to know he can't destroy it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 24, 2025
★★★★★ 2
Didn’t last long but she loves it
Color: Pink
Our miniature dachshund dog 2 1/2 years old had the lid chewed off before the Amazon Driver got out of the driveway
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 18, 2026
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