Description
Product 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 (2000–2020) 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 air pressure between axles to ensure stable braking, improved stopping control, and reduced brake wear.
Technical Specifications
Type: Brake Proportioning Relay Valve
Brake System: Pneumatic Air Brake System
Material: Cast metal valve body with sealed internal components
Application: Direct-fit replacement for Mack vehicles using BP-R1 valve references
Installation: Installs within air brake circuit; professional truck brake installation recommended
Service Interval: Replace when pressure imbalance, delayed braking, or air leakage is detected
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
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