Description
Product Overview
Part Name: Exhaust Brake Proportional Control Valve
Part Numbers: 4088579 / 21380002
Vehicle Compatibility: Compatible with Volvo FH12, FM Series, and NH Series Trucks (2002–2012) equipped with engine exhaust braking systems.
Configuration: Heat-resistant proportional exhaust brake valve designed for precise engine braking control.
Function: Regulates exhaust brake pressure to improve downhill control, reduce service brake usage, and enhance vehicle safety.
Technical Specifications
Type: Exhaust Brake Proportional Control Valve
Brake System: Engine Exhaust Brake System
Material: High-temperature cast metal housing
Application: Direct-fit replacement for Volvo exhaust brake systems using listed part numbers
Installation: Mounts within exhaust brake control circuit; professional installation recommended
Service Interval: Replace when exhaust braking response weakens or control faults occur
Delivery & Availability
Stock Options: Available
Delivery Time: 3–7 days internationally
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