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- 1,750lbs capacity per each spring, for standard 3,500lbs trailer axle
- Eye to Eye length: 25-1/4 inch, Free open: 3 inch, width of leaf: 1-3/4 inch, 4 leaves, 9/16 inch bushing dia, nylon bushings installed
- It will replace SW4B / 72-42 / LIB-401-DE / UNA212 / PR4B / 124903 / 9150014 / 93184 (different SKU# but same spring)
- LIBRA has been supplying US OEM trailer industry for over 16 years, reliable and quality parts trusted by major trailer & trailer axle manufacturers.
Melinda Finn
Reviewed in the United States on February 4, 2025
Glad I purchased this item! Great quality.
brandon heath
Reviewed in the United States on June 4, 2024
Did exactly why I needed it to do. If I redo another trailer I’ll be buying from this company again.
LDC
Reviewed in the United States on December 4, 2024
Replaced springs on my small utility trailer because one side was slightly sagging and the tires were wearing abnormally. These were an exact fit for the original leaf springs. I have not noticed any abnormal wear on the tires now that the springs were replaced and I have towed the fully loaded (2000lbs) several thousand miles. Prior to the spring replacement, I would notice the abnormal tire wear after only a few thousand miles.
Scott M Thies
Reviewed in the United States on August 2, 2023
They worked out great just what I ordered
Wesley B
Reviewed in the United States on August 1, 2023
Exactly what I needed for my 7 x 16 tandem axle tool trailer. 👍🏼
Star-man
Reviewed in the United States on October 31, 2023
Fit my trailer perfectly. Easy install
sean baldree
Reviewed in the United States on September 17, 2022
Nice high quality product at a good price. Works great for a trailer I’m making for hauling atvs
Thomas E Davis
Reviewed in the United States on August 16, 2022
I restore vintage trailers and new springs are now a standard for me. The old springs of a similar weight rating were twice as heavy and with several more leafs. They lifted the trailer a few inches and made the ride more even. The low cost makes it an easy switch more than well worth the money. I had help the first couple times but have now done several by myself and plan to continue using on all my trailers which are small vintage types from the 50s and 60s.
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