Fuel Pipe Mercedes W205 M264 Purge Valve Evaporation Hose A2054712000

Mercedes W205 M264 Fuel Tank Evaporation Hose Evap A2054712000 is an original part from the Hoses, Pipes, and Tubes group, designed for the fuel evaporation system in Mercedes vehicles with the M264 unit. This used OEM component ensures proper routing of fuel vapors to the EVAP system, supporting stable engine operation and compliance with emission standards.

Specifications and technical data

• SKU: A2054712000
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054712000
• Substitutable numbers: A2054712000, A 205 471 20 00
• Category: Hoses, Lines & Pipes

Purpose and Technical Function

The EVAP fuel tank evaporation hose is responsible for the controlled discharge of fuel vapors from the tank to the purification system, which reduces fuel loss and volatile organic compound emissions. In Mercedes W205 models with the M264 engine, this is a component linked to the fuel system and engine control, whose correct operation affects:

• fuel tank pressure stability,
• accurate readings from EVAP system sensors,
• engine control unit operation regarding system leak diagnostics,
• maintaining compliance with fuel vapor emission requirements.

Construction and Fit for Mercedes W205 M264

The offered hose belongs to the Hoses, Pipes, and Tubes group, meaning it is factory-shaped and prepared for installation along the specific routing in the engine bay and fuel tank area. Original mounting points, connector diameters, and hose geometry are adapted to the W205 body architecture and the M264 engine fuel system, facilitating installation without modifications.

As an OEM part, the hose integrates with factory spigots, valves, and EVAP system housings, minimizing the risk of leaks and OBD diagnostic issues related to fuel evaporation.

Condition, Origin, and Benefits of Using OEM Parts

The hose is offered as a used original Mercedes part, allowing for the preservation of factory material and dimensional specifications while reducing repair costs. Compared to universal-fit aftermarket alternatives, using an OEM hose reduces the risk of:

• improper hose routing in the engine bay,
• excessive stress and chafing against body or accessory components,
• leaks at connections to the EVAP valve or fuel tank.

For users looking to restore the correct operation of the fuel evaporation system after mechanical damage, external corrosion, or service intervention, installing an original hose is a technically safe solution that aligns with the manufacturer's design intent.

Application in EVAP System Diagnostics and Repairs

A damaged or leaking evaporation hose can cause engine control unit errors, issues with EVAP system leak tests, and improper operation of the emission control system. Replacement with a functional OEM part is recommended, among other situations, when:

• errors related to the fuel evaporation system occur,
• hose leakage is detected during a smoke test or pressure test,
• the hose has been mechanically damaged during other repairs to the fuel system or suspension.

Selecting the correct hose for a specific W205 version with the M264 engine helps avoid compatibility problems and speeds up the service process by maintaining the factory installation routing.

Expanding Repair Scope – Mercedes Hoses, Pipes, and Tubes

If you are planning a comprehensive repair or upgrade of the fuel system and vapor management area in your Mercedes and require other parts from the same group, such as fuel lines, vacuum hoses, or vent pipes, check the available parts in the Mercedes Hoses, Pipes, and Tubes category.

For those interested in the broader context of using original components in vehicles of various generations, including the impact of OEM parts on a car's character, an article comparing classic and modern MINI constructions might be helpful – you can find it here: Classic Mini vs Modern MINI – Differences and OEM Parts.