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Haldex · Brakes & Wheel End
400-10212
In stock · ships from Knoxville
This is a Haldex automatic slack adjuster for the air brake system on heavy-duty trucks and trailers.
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Verified fitment for 2 applications
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Other applications
Unhanded design works on left or right side. Primarily for trailer axles; exact vehicle fitment should be confirmed with the application guide.
Part data verified against 5 catalog sources
Numbers this part supersedes or interchanges with. Showing 16 of 56.
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It automatically maintains the correct clearance between the brake shoes and drum as the linings wear, ensuring consistent stopping power and preventing uneven tire and brake wear. Designed for trailer axle applications with 16.5-inch brake assemblies, it has a 6-inch arm, a 1.5-inch 28-spline camshaft bore, and zero offset. You typically replace it when the adjuster seizes, fails to adjust, or as part of a brake overhaul.
Part Number: 400-10212
SLACK ADJUSTOR (AUTO)
Unit: ea
Dealer: KP Services Crossville
Compatibility, alternatives, and more
Parts commonly needed alongside brakes & wheel end