Meritor Automatic Slack Adjuster - Haldex AA1, Arm Diameter: 6.00", Spline Count: 28 They are built to resist

They are built to resist heat degradation

Mounting holes are 13-15/16" apart

Brake Size: 16

Custom Fit: Specifically designed for Mack Granite 813

THE FOLLOWING MUST BE PERFORMED

Meritor Automatic Slack Adjuster - Haldex AA1, Arm Diameter: 6.00", Spline Count: 28 They are built to resistAutomatic Slack Adjuster is a clearance sensing, Haldex AA1 style replacement designed for heavy duty drive axle brake systems. Engineered to automatically compensate for brake lining wear, this slack adjuster helps maintain proper brake stroke, improve braking performance, and reduce maintenance requirements. It features a 6 inch arm length, 1. 50 inch 28 spline connection, and is commonly used on vehicles equipped with 16. 5 inch brake assemblies.