Automann 139.2833 Automatic Slack Adjuster – 1-1/2" 28 Spline, 5.5" Arm, Meritor Type id_2_3.375 Fleetguard FS43255

Fleetguard FS43255

Verify a 2-stud vertical mount

PAI: 36980

The twin-tube design uses loop-and-sleeve mounts at both ends to control the rear axle

Uneven tire wear on the drive axle from a sagging bag

Automann 139.2833 Automatic Slack Adjuster – 1-1/2" 28 Spline, 5.5" Arm, Meritor Type id_2_3.375 Fleetguard FS43255Automann 139. 2833 is a stroke sensing Meritor Type B automatic slack adjuster with a 5 1 2" arm and 1 1 2" 28 spline input a direct replacement for Meritor R802447 R803049. The yellow piston design holds shoe to drum clearance automatically across service intervals, and the unit ships complete with the 179. YK5005 clevis kit (5 8" 18 thread). Use on Class 68 tractors, vocational trucks, and air braked trailers with Meritor drum brake foundations.