Proportional Relay Unit – WABCO 4802020102

Proportional Relay Unit is a component & spare part for commercial truck and trailer air brake systems, built to keep heavy-duty vehicles running safely on the road. It operates across a temperature range of -40°C to +80°C and handles a maximum operating pressure of 12.5 bar, making it suited for demanding on-road and off-road duty cycles. This WABCO component & spare part is a direct fit replacement for trucks, trailers and buses running WABCO air brake and air suspension systems. Part No: 4802020102 (480.202.009.0, 480 202 009 0). Cross Reference Numbers: A0054298944, A0054298944, 0054298944.