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Dayton Parts · Suspension & Steering
TRA023
In stock · ships from Knoxville
A single-leaf full-taper parabolic trailer spring designed to replace worn or broken originals on Binkley DuraLite, UltraLite, UltraLite2 and Hutch Model 2000 air-ride trailer suspensions.
Confirm the part fits before you buy. Applications and interchange numbers are researched and audited per part.
Verified fitment for 5 applications
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All confirmed applications for this part number.
Other applications
Other applications
Verify dimensional specs before ordering: length (A) 22‑1/2 in, length (B) 24‑3/16 in, width 3 in, arch 7‑1/16 in, hook ends. Fitment data from [truckspring.com](https://www.truckspring.com/products/trailer-springs/replacement-leaf-spring-TRA023.aspx) and [nickstruckparts.com](https://nickstruckparts.com/products/leafspring-tra-023-brinkley-single-leaf-trailer-spring).
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 17.
Different year, make, or config? Get a confirmation against your truck in under a minute.
According to [truckspring.com](https://www.truckspring.com/products/trailer-springs/replacement-leaf-spring-TRA023.aspx) it has a 9,500‑lb capacity, while other suppliers list 11,200 lb. The spring uses hook ends (no rubber bushings) and restores proper ride height and load support when the original leaf sags or cracks.
Part Number: TRA023
SPRING SINGLE LEAF 360-00
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside suspension & steering