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Hendrickson · Brakes & Wheel End
HENS-38721-R
In stock · ships from Knoxville
This is a right-hand (RH) spring brake chamber assembly designed for trailers equipped with Hendrickson MAXX22T suspension and disc brakes.
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Verified fitment for 2 applications
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All confirmed applications for this part number.
Other applications
Other applications
For right-hand (RH) orientation only. Replaces previous part numbers S-38721-R and S-38264-RHTS; may be superseded by S-40881-R. Requires two per axle (one per side). Designed for disc brake applications specifically.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 7 of 7.
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It provides both service braking via compressed air and parking/emergency braking through a heavy-duty spring mechanism. The chamber is a direct fitment for replacing worn or leaking units on these trailers to maintain safe braking performance. Manufactured by Hendrickson, it incorporates a Wabco-sourced air chamber with a type 18/24 internal valve and a 2.50-inch stroke.
Part Number: HENS-38721-R
BRAKE CHAMBER TYPE 18/24 DISC.
Unit: ea
Dealer: Knox Trailers
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end