2104-125131X
Air Brake Automatic Slack Adjuster
Mack

An automatic slack adjuster is a key component in air brake systems, responsible for maintaining optimal brake shoe-to-drum clearance. This device automatically adjusts itself during brake operation, ensuring consistent braking performance and reducing manual maintenance. Proper adjustment is crucial for safe vehicle operation, preventing brake drag or insufficient braking force. The design allows for quick installation and reliable operation under demanding conditions, including heavy loads and prolonged use. Maintaining correct slack adjustment extends brake component life and enhances overall safety. It plays a vital role in ensuring compliance with safety standards and reducing downtime for brake servicing. Source One Parts Center provides this high-quality component to help keep your heavy-duty trucks operating safely and efficiently.