Shop quality automatic slack adjusters at Chrome and Parts for commercial truck and trailer air brake systems.
Our selection includes automatic air brake slack adjusters for different heavy-duty brake applications, including S-cam, disc brake and trailer configurations.

An automatic slack adjuster helps maintain the proper relationship between the brake actuator and the brake mechanism as brake components wear.
Replacing a worn or damaged slack adjuster with the correct application can help maintain proper brake system operation and adjustment.

Find automatic air brake slack adjusters for commercial trucks and trailers, including options for different spline sizes, brake configurations and mounting applications.
Our selection includes products for air disc brake applications, S-cam brake systems and trailer brake assemblies.

When selecting an automatic slack adjuster, it is important to match the replacement to the brake system, spline configuration, arm length and other application-specific requirements.
Check the individual product listing for part numbers, measurements, specifications and fitment information before ordering.

Whether you need an automatic slack adjuster for a truck, tractor or trailer air brake system, Chrome and Parts makes it easy to find the replacement component you need.
Browse our selection of automatic slack adjusters and related air brake parts for your commercial vehicle application.