The Meritor R803113 is a genuine OEM automatic slack adjuster assembly for heavy-duty air brake systems, identified by its 1.50-28 designation indicating a 1.50-inch, 28-spline interface. This part is cross-referenced under several interchange numbers including TK803113 (Crane Carrier), as well as 3947677, 8235R803113, ATIR803113, R803113RI, TDAR803113, and TWDR803113. Automatic slack adjusters maintain proper brake chamber pushrod travel automatically, reducing the need for manual brake adjustment on drum brake axles. Sold by Pro Gear and Transmission as a genuine Meritor part. Call us to confirm fitment for your specific axle and brake configuration.
Features
Genuine Meritor OEM automatic slack adjuster assembly
1.50-inch diameter, 28-spline camshaft interface
Part number R803113; also cross-references as TK803113, 3947677, ATIR803113, R803113RI, TDAR803113, TWDR803113
Designed for heavy-duty air drum brake applications
Sold by Pro Gear and Transmission
Tech Specs
- Spline Interface: 1.50 inch x 28 spline
- Interchange Numbers: TK803113 (Crane Carrier), 3947677, 8235R803113, ATIR803113, R803113RI, TDAR803113, TWDR803113
- Brake System Type: Air drum brake
- OEM Status: Genuine Meritor
