439.03.0002 Renault Trucks and Volvo EGR Pipe

What does an EGR pipe do?

The exhaust manifold EGR pipe is a vital component in the exhaust gas recirculation system of heavy commercial vehicle engines. It facilitates the redirection of a portion of exhaust gases back to the intake manifold, which helps regulate combustion temperatures and reduce NOx emissions. This part is continuously exposed to high temperatures and engine vibrations, requiring robust construction to maintain system integrity.

Vehicle and engine compatibility

This component is specifically designed to fit a wide range of heavy-duty applications, including Volvo FH, FM, FMX, VNL, and B-series models with D13, D11K, D16K, or D13K engines. It is also compatible with Renault Trucks C, K, and T series utilizing DTI11 or DTI13 engines, as well as Mack Anthem MP8 models. These parts are engineered to meet the rigorous demands of modern diesel engine architectures.

Installation and maintenance guidance

For optimal performance, installation should be carried out by a qualified workshop technician. It is recommended to inspect all connections and gaskets during every scheduled service interval to prevent leaks. Ensuring correct torque values during assembly helps prevent cracks in the pipe or flange due to thermal expansion.

Troubleshooting and inspection

Regular inspection of the EGR system can prevent broader engine issues. If symptoms such as increased emissions or engine hesitation occur, checking the EGR pipe for leaks or blockages is a standard maintenance step.

OE cross-reference

439.03.0002 (Exhaust Manifold EGR Pipe) is the equivalent of the Renault Trucks and Volvo OE numbers. This part directly replaces Renault Trucks OE number 7423379050. It also replaces Volvo OE number 23379050.