Exhaust Brake Proportional Control Valve 1856309 / 2021084 for Scania P280, P380, G410, R450 & T480 Trucks and Scania F-Series & K-Series Buses (2003–2008) Dual H-Position Selector Housing requires software calibration and VIN

requires software calibration and VIN programming via MAN diagnostics

R420 and PGRT-Series trucks manufactured between 1988–2024

mounts into OEM exhaust port and connects to factory wiring harness without modification

supplied as a direct-fit replacement for Isuzu rear axle final drive systems

Part Name: Engine Intercooler

Exhaust Brake Proportional Control Valve 1856309 / 2021084 for Scania P280, P380, G410, R450 & T480 Trucks and Scania F-Series & K-Series Buses (2003–2008) Dual H-Position Selector Housing requires software calibration and VINProduct Overview Part Name: Exhaust Brake Proportional Control Valve Part Numbers: 1856309 2021084 Vehicle Compatibility: Designed for Scania P280, P380, G410, R450 & T480 trucks and Scania F , K and N Series buses manufactured between 2003 and 2008 with engine exhaust braking systems. Configuration: Heat resistant proportional valve engineered to control exhaust brake pressure precisely. Function: Enhances engine braking efficiency, improves downhill