Mercedes W204 W212 W906 M272 Petrol Exhaust EGR Cooler Valve Pipe A2721401008

Mercedes W204 W212 W906 M272 Petrol Exhaust EGR Cooler Valve Pipe is an original exhaust gas recirculation system component designed for M272 petrol engines in popular Mercedes models. Thanks to its factory geometry and precise fitment for the specific engine unit, it ensures stable exhaust gas flow and proper cooperation with the EGR valve, which translates into smooth engine operation and compliance with emission standards.

Specifications and technical data

• SKU: A2721401008
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2721401008
• Substitutable numbers: A2721401008, A 272 140 10 08
• Location on the vehicle: Front
• Fuel type: Petrol
• Category: EGR Parts & Valves

Purpose and function in the EGR system

The presented EGR valve pipe/hose is a component from the EGR valves and parts category, responsible for the precise delivery of exhaust gases to the recirculation system. In M272 petrol engines installed in Mercedes W204, W212, and W906 series, this component contributes to the exhaust gas circuit, influencing:

• stable operating conditions for the EGR valve,
• maintenance of the correct air-fuel mixture composition,
• reduction of nitrogen oxide emissions,
• proper engine response to load.

Its location in the front part of the vehicle facilitates easier service access and allows for convenient inspection of the pipe's condition during maintenance.

Construction, fitment, and installation

The EGR valve pipe has been designed specifically for the architecture of the M272 engine, which means factory-perfect fitment to the intake and exhaust system in the given body model. Properly selected diameters, shape, and mounting points allow for:

• secure sealing of connections with the EGR valve and manifolds,
• maintaining the correct direction of exhaust gas flow,
• reduction of thermal and mechanical stress during engine operation.

The element is prepared for installation in the front area of the engine bay, which promotes efficient replacement in workshop conditions. Proper fitment to the specific engine unit minimizes the risk of leaks and improper operation of the recirculation system.

Benefits of using an original EGR pipe

Using an original EGR pipe in an M272 petrol engine allows for maintaining engine performance parameters at the level intended by the manufacturer. Key advantages include:

• Compatibility with factory engine management – proper exhaust gas flow helps the ECU maintain correct ignition maps and fuel dosage.
• Stable EGR system operation – reduction of diagnostic errors related to improper exhaust gas recirculation.
• Support for maintaining emission standards – a functional EGR pipe helps in reducing harmful exhaust components.
• Better engine refinement – smooth operation at idle and under load.

This component is particularly important in vehicles used in urban traffic, where the EGR system works intensively and is prone to carbon deposit buildup.

Characteristics as a used part

The offered EGR pipe is a used part, which represents a reasonable compromise between repair costs and maintaining the manufacturer's original specifications. This type of component, sourced from dismantling, allows for:

• economical repair of the exhaust gas recirculation system,
• maintaining the original design of the exhaust and intake system,
• reducing waste through the reuse of functional parts.

Before installation, a standard workshop procedure is recommended: checking for leaks, inspecting sealing surfaces, and cleaning any carbon deposits to ensure stable and long-lasting operation of the EGR system.

If you are planning a comprehensive repair or upgrade of the engine area in your Mercedes and need other elements from the same group, such as hoses, valves, or exhaust gas recirculation connectors, check the available parts in the Mercedes EGR valves and parts category.

Selection by OEM number and technical support

To ensure that the EGR valve pipe will be fully compatible with your vehicle, it is worth verifying compatibility using the OEM number and vehicle data. The VIN number, engine details, and production year can be helpful. The detailed verification process is described in the article: Guide: how to choose the right car part by VIN and OEM number, where you will find practical tips, a list of questions for the seller, and a parameter check scheme before purchase.