Automann Automatic Slack Adjuster Spline Arm

The Automann Automatic Slack Adjuster (also called an automatic brake adjuster or self-adjusting slack adjuster) is made for heavy-duty trucks and trailers with air brakes. It connects the brake chamber pushrod to the S-cam shaft through a splined bore. As the linings wear, it keeps the clearance between the brake shoes and drum correct. This line covers several industry styles, including Haldex, Meritor, Gunite, Bendix and Crewson-type designs.

Key Features:

• Automatic adjustment: Keeps brake shoe-to-drum clearance consistent. This reduces the need for manual adjustment and helps keep braking performance steady.
• Splined arm design: The splined fit locates the adjuster on the camshaft. The line offers a range of spline counts, spline diameters and arm lengths to match different brake assemblies.
• Replacement part: Built to match common OEM and leading aftermarket slack adjuster designs. Cross-references to major brake brands make replacement easier.
• Rugged construction: Made for the wear, vibration and harsh conditions of commercial vehicle service.
• Installation support: Some part numbers in the line come with installation hardware, such as gauges, bushings or a clevis kit. Contents vary by part number.

Automann is a well-known supplier of aftermarket heavy-duty truck and trailer parts. Its automatic slack adjusters are a cost-effective option for fleets and service shops that want dependable brake maintenance parts. Choose the specific part number below for the spline count, arm length and style your brake assembly needs.