Air Brake Automatic Slack Adjuster

The Automann 136.2830 Air Brake Automatic Slack Adjuster is a premium Crewson type slack adjuster designed for heavy-duty trucks and trailers equipped with air brake systems. This adjuster features a 1-1/2" diameter, 28-spline design, and a 5"–6" adjustable arm, making it suitable for a wide range of applications and ensuring a precise OEM fit. Its automatic adjustment mechanism maintains the correct clearance between brake shoes and the drum, reducing the need for manual adjustments and improving overall braking safety and performance. The 136.2830 is cross-referenced with several industry-leading part numbers, including Haldex CS52321, Crewson MK22103S, and Midwest WA22103, allowing for easy replacement and compatibility with various brake assemblies. The package includes installation gauges and bushings for a hassle-free setup. Wofford Truck Parts stocks this essential component, providing fast shipping and expert customer service to support your fleet’s uptime and safety. Choose the Automann 136.2830 for a reliable, cost-effective solution trusted by fleet managers and service professionals.