Brake Proportioning Relay Valve BP-R1 065146 / 65146N for Mack CH, Granite, Pinnacle Trucks, Tractors & Buses (2000–2020) 1001030E811 Material: High-strength friction material with

Material: High-strength friction material with reinforced damper springs and hub splines

Part Name: Fuel Injection Pump (Mechanical)

and industrial vehicles (2014–2024)

and integrated electronic controller

Brake Proportioning Relay Valve BP-R1 065146 / 65146N for Mack CH, Granite, Pinnacle Trucks, Tractors & Buses (2000–2020) 1001030E811 Material: High-strength friction material withProduct Overview Part Name: Brake Proportioning Relay Valve (BP R1) Part Numbers: 065146 65146N 065146P Vehicle Compatibility: Designed for Mack CH, Granite, Pinnacle Trucks, Mack Tractors, and Mack Buses (20002020) equipped with BP R1 air brake proportioning systems. Configuration: Pneumatic brake proportioning relay valve with integrated pressure modulation for tractor, trailer, and bus air brake circuits. Function: Regulates and balances braking