25QD29302P5
Air Brake Automatic Slack Adjuster
Mack

This automatic slack adjuster is a critical component in your truck’s air brake system, ensuring consistent brake application and reducing manual adjustments. It automatically compensates for brake lining wear, maintaining optimal brake shoe clearance and ensuring safe, reliable stopping power. Its precise operation improves brake response and prolongs the lifespan of brake components by preventing excessive lining wear. Designed for heavy-duty use, it withstands the rigors of demanding braking conditions and high temperatures. Proper functioning of this part is essential for compliance with safety standards and optimal vehicle performance. Source One Parts Center offers this slack adjuster as a dependable upgrade to keep your brake system operating smoothly and safely.