Mercedes W169 W245 W414 W220 Fuel Evaporation Hose Line Petrol A1200780381

Mercedes W169 W245 W414 W220 Fuel Evaporation Hose Line is an original fuel system component from the Lines, hoses and pipes group, designed for use with petrol engines. It enables proper fuel vapor discharge, supporting stable engine operation and reducing the emission of harmful compounds. This is a practical solution for users who want to restore the factory functionality of the evaporation system in their Mercedes.

Specifications and technical data

• SKU: A1200780381
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A1200780381
• Substitutable numbers: A1200780381, A 120 078 03 81
• Fuel type: Petrol
• Part type: Line
• Category: Hoses, Lines & Pipes

Application and function in the fuel system

The fuel evaporation hose is responsible for the controlled discharge of vapors from the petrol supply system to the appropriate installation components, which helps maintain stable pressure and correct engine operation. In Mercedes compact class models and higher-class sedans, it plays an important role in:

• reducing fuel losses resulting from evaporation,
• stabilizing the operating parameters of the petrol engine,
• maintaining compliance with exhaust emission standards,
• preventing unwanted fuel odors in the vehicle's surroundings.

Thanks to the proper routing and diameter of the hose, the fuel evaporation system can operate in a predictable and repeatable manner, which translates into vehicle operating comfort.

Benefits of using an original Mercedes hose

Choosing a fuel evaporation hose dedicated to specific Mercedes models provides a number of practical advantages. This primarily includes factory fitment to the fuel system, which minimizes the risk of leaks and installation problems. The hose construction is designed for resistance to petrol and its vapors, as well as temperature changes in the engine compartment.

By using an original component from the Lines, hoses and pipes category, the user gains:

• certainty of compliance with the factory installation routing,
• stable fuel vapor flow parameters,
• reduced risk of failures resulting from incorrect replacement part selection,
• easier fuel system diagnostics in the future.

Characteristics of the used component

The offered fuel evaporation hose is a used component, which allows for economical system repair while maintaining the manufacturer's original specifications. This type of part is particularly attractive when servicing older generations of vehicles, where reasonable maintenance costs are important while maintaining proper functionality.

A used hose can be a good choice in situations where the existing component has suffered mechanical damage, abrasion, or lost its flexibility due to many years of operation at high temperatures. Replacing it with a functional component restores proper fuel vapor circulation and reduces the risk of errors related to the petrol supply system.

Part selection by OEM number and purchase support

To ensure that the fuel evaporation hose will be properly matched to a specific engine and body version, it is worth verifying compatibility by OEM number and vehicle data. The vehicle identification number and comparing the hose routing with the component currently installed in the car can be helpful in the selection process.

If you want to check step-by-step how to safely select a used fuel system component by OEM number and vehicle data, use our practical guide: Guide: how to select the right car part by VIN and OEM number. There you will find an action plan, a list of questions for the seller, and tips on how to check the compatibility of technical parameters.

Expansion and service of the Mercedes fuel system

If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other elements from the same group, such as flexible fuel lines, breather hoses, or fuel return pipes, check the available parts in the Mercedes Lines, hoses and pipes category.

By using original components from this group, it is possible to maintain the consistency of the entire system, which translates into predictable vehicle behavior, easier service, and greater confidence during daily operation of a car with a petrol engine.