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Haldex · Brakes & Wheel End
40020211
In stock · ships from Knoxville
This is a Haldex self-setting automatic slack adjuster (S-ABA) for air brake systems on heavy-duty trailers.
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Designed for trailer axles only; not suitable for steer or drive axles.
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It automatically maintains the proper clearance between the brake shoes and drum as the linings wear, which keeps braking consistent and prevents over-adjustment. You’d replace a slack adjuster if it seizes, strips, or otherwise fails to adjust, or when rebuilding brake components. This unit fits a 1.5-inch, 28-spline camshaft and has a 5.5-inch arm with a plate-and-flat-stud anchor bracket.
Part Number: 40020211
AUTO SLACK ADJUSTER
Unit: ea
Dealer: Post Onsite
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Parts commonly needed alongside brakes & wheel end
