Description
Mercedes W164 W203 W204 W212 OM642 Fuel Line A6420702732 is an original diesel fuel supply system component, designed for installation in the front of Mercedes vehicles with the OM642 engine. This component from the Fuel Tanks category ensures stable fuel flow within the system, contributing to the safe and predictable operation of the diesel engine. Thanks to its factory origin, the line maintains the correct geometry and fit for the mounting points in the engine bay.
Specifications and technical data
- SKU: A6420702732
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A6420702732
- Substitutable numbers: A6420702732, A 642 070 27 32, KZ
- Location on the vehicle: Front
- Fuel type: Diesel
- Category: Fuel Tanks
Purpose and Role in the Fuel System
The fuel line is dedicated to Mercedes W164, W203, W204, and W212 models equipped with the OM642 diesel engine. The component operates in the front of the vehicle, responsible for the secure delivery of diesel fuel between the fuel supply system components. The line’s construction is adapted to the operating parameters of the diesel engine, which reduces the risk of leaks and pressure drops in the fuel circuit.
A properly selected fuel line is crucial for:
- maintaining stable pressure in the diesel fuel supply system,
- correct fuel metering by the injectors,
- reducing the risk of air entering the system,
- preserving the smooth operation of the OM642 engine.
Construction and Fit for Mercedes OM642
The fuel line in question has been designed as an original component for the Mercedes fuel system, thus maintaining factory routing in the engine bay. Appropriately selected connection diameters and the line’s shape facilitate installation and minimize stress during engine operation. This solution helps to avoid undesirable vibrations and excessive load on the connectors of the fuel system components.
The line works with the diesel engine fuel supply system, meaning its construction is prepared for operation with diesel fuel, including elevated medium temperatures and typical pressure conditions for diesel engines.
Component Condition and Service Application
The fuel line is offered as a used part, making it an attractive service solution for users seeking a factory component at a reasonable price. Replacing the line is recommended in situations where symptoms such as fuel leaks, the smell of diesel fuel around the engine bay, starting problems, or unstable diesel engine operation occur.
By using an original fuel line, the risk of problems arising from inaccurate fitment of aftermarket alternatives, such as incorrect routing in the engine bay or excessive stress on the connections, can be reduced. This is particularly important for the OM642 engine, where the fuel system operates under significant load.
Benefits of Using an Original Fuel Line
Using a fuel line dedicated to Mercedes with the OM642 engine offers a range of practical operational benefits:
- Factory Fitment – the line is designed for specific body styles and fuel systems, facilitating installation and ensuring correct routing in the engine bay.
- Stable Fuel System Operation – proper sealing and geometry of the line contribute to maintaining adequate fuel pressure in the diesel engine.
- Operational Safety – reducing the risk of diesel fuel leaks minimizes fire hazards and impact on other components in the engine bay.
- Economical Repair – a used OEM part allows for restoring the fuel system’s functionality without the need to invest in more expensive new components.
Technical Support and Component Selection
When selecting a fuel line for a Mercedes with an OM642 engine, it is advisable to verify compatibility using the OEM number and interchangeable numbers – all this information is found in the product’s technical specifications. This allows for precise matching of the component to the specific body version and fuel system configuration.
If you wish to better understand the operation of the fuel supply system in diesel engines, including the role of lines, pumps, and the fuel tank, the guide article Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair will be helpful, discussing diagnostics, part selection by OEM numbers, and operating principles.
When planning vehicle modifications or upgrades using aftermarket components, it is also worth familiarizing yourself with the material Tuning with Used Parts – How to Gain Performance Without Losing a Fortune, which describes how to safely use used components.
Other Mercedes Fuel Tanks
If you are also looking for other components from the Fuel Tanks category designed for this brand’s vehicles, check out the Mercedes Fuel Tanks available in our assortment to select complete solutions for your fuel system.
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