Mercedes W164 OM629 EGR Exhaust Valve Pipe Line Hose Tube A6291400208

The Mercedes W164 OM629 EGR Intake Manifold Pipe is an original exhaust gas recirculation component designed for diesel engines, ensuring a stable connection between the intake and the EGR valve. Thanks to its factory geometry and precise fit for the OM629 unit, it maintains proper exhaust and air flow, contributing to the smooth operation of the engine. This is a practical solution for users seeking a proven component for professional repair of the intake system in a Mercedes W164 with a diesel engine.

Specifications and technical data

• SKU: A6291400208
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A6291400208
• Substitutable numbers: A6291400208, A 629 140 02 08
• Fuel type: Diesel
• Category: Exhaust Pipes & Tips

Purpose and Function in the Intake System

The EGR intake manifold pipe in the W164 model with the OM629 unit is responsible for a sealed and stable connection between the intake channel and the exhaust gas recirculation circuit. A correctly selected EGR pipe reduces the risk of leaks, power loss, and unstable diesel engine operation, especially under load. This component operates under demanding temperature and pressure conditions, making the use of an original part crucial for the durability of the entire system.

Benefits of Using an Original Intake Manifold Pipe

Using the factory intake manifold pipe in a Mercedes W164 with an OM629 engine allows for the preservation of the operational parameters intended by the manufacturer. The appropriately shaped internal cross-section promotes uniform mixture flow, and the precisely fitted mounting points facilitate installation without modifications. For a diesel engine, this translates to more stable combustion, improved running smoothness, and a reduced risk of errors related to the EGR system.

Component Condition and Service Application

The offered EGR intake manifold pipe is part of the Exhaust Pipes & Tips category, intended for reinstallation in a vehicle. It is a practical choice for servicing the exhaust gas recirculation system when the existing component shows signs of wear, corrosion, or leakage. Replacing it with an original part restores proper connection sealing and reduces the risk of exhaust blow-by into the engine bay.

Selection by Numbers and Vehicle Compatibility

When selecting an intake manifold pipe for a Mercedes W164 diesel engine, it is crucial to rely on the OEM part number and interchangeable numbers to minimize the risk of purchasing an incompatible part. If in doubt, it is advisable to compare the markings with the vehicle's documentation or the dismantled component to ensure full dimensional and assembly compatibility.

If you want to deepen your knowledge on verifying component compatibility by manufacturer markings and avoid mistakes when shopping online, use the practical guide Risk-Free Online Parts Shopping – 5 Proven Ways to Verify Component Compatibility by OEM Numbers and Paint Codes.

Exhaust and Intake System Expansion in Mercedes

If you are planning a comprehensive repair or modernization of the engine area in your Mercedes and need other parts from the same group, such as pipe sections, connectors, or final exhaust outlets, check the available parts in the Mercedes Exhaust Pipes & Tips category.