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Mercedes W251 Tank Filler Neck Pipe Hose Cap OM642 Diesel A2514702220
SKU: A2514702220
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Used
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Mercedes W251 Tank Filler Neck Pipe Hose Cap OM642 Diesel is an original fuel system component designed for diesel engines, ensuring tight and secure refueling. Thanks to its factory-spec geometry and fitment to the body structure, the pipe and cap assembly works correctly with the tank system, minimizing the risk of leaks and venting issues. It is a practical solution for users who want to restore proper fuel filler operation in their Mercedes without compromising on quality.
Specifications and technical data
- SKU: A2514702220
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A2514702220
- Substitutable numbers: A2514702220, A 251 470 22 20
- Fuel type: Diesel
- Category: Fuel Tanks & Filler Necks
Purpose and function in the fuel system
The fuel filler pipe and cap for the Mercedes W251 model with the OM642 engine is responsible for stable fuel routing from the filler to the tank and for securely sealing the system from the outside. In the case of diesel units, proper filler tightness is important not only for refueling comfort but also for maintaining the correct pressure and tank venting, which translates into the overall performance of the fuel system.
The component belongs to the Fuel tanks and filler pipes group, making it structurally matched for use with the factory tank, fuel lines, and body panels. Proper routing of the pipe reduces the risk of chafing, leaks, and the ingress of contaminants around the filler area.
Compatibility with the OM642 Diesel engine
The presented pipe and cap have been designed to work with the OM642 diesel unit, meaning it is adapted to the specifics of Diesel fuel – both in terms of material resistance and seal construction. In practice, this translates into:
- stable maintenance of tightness during frequent refueling,
- proper routing of fuel vapors within the system,
- maintaining compliance with the factory tank venting system.
As a result, this component can be used as a functional replacement for the factory-installed filler pipe in Mercedes W251 vehicles with a diesel engine, without the need for structural modifications.
Component characteristics and installation benefits
The offered fuel filler pipe and cap come from the group of original Mercedes parts, which helps maintain factory fitment to the body and tank. The appropriate geometry of the mounts and the shape of the fuel routing section facilitate installation in the location provided by the vehicle manufacturer.
Key benefits of using this component include:
- maintaining the correct position of the filler relative to the flap and wheel arch,
- reducing the risk of fuel leaks during refueling,
- maintaining proper interaction with the tank system and fuel lines.
The used condition allows for an economical replacement of a damaged or leaking component while maintaining a design consistent with the factory solution.
Professional selection and fuel system diagnostics
When selecting a fuel filler pipe and cap for a specific body and engine version, it is worth verifying compatibility with the tank system and line routing to avoid stress and leaks. If you have any doubts regarding complete fuel system maintenance, diagnostics, or the regeneration of components such as injectors, pumps, or the tank, the guide article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which discusses the principles of operation and component selection, will be helpful.
If you are interested in a broader context regarding the use of original used parts in premium cars, including the Mercedes brand, it is worth reading the market analysis in the article why used original parts for premium cars are becoming an increasingly popular choice, which describes current trends and the economic benefits of such a solution.
Related components from the Fuel tanks and filler pipes group
If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other components from the same group, such as supply lines, connection nozzles, or additional sections of filler pipes, check out the available parts in the Mercedes fuel tanks and filler pipes category.
Delivery details
Ship to: United Kingdom
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Estimated delivery dates include sellers dispatch time, origin postcode,destination postcode and time of acceptance, and will depend on the postage service selected and receipt of cleared payment. Delivery times may vary, especially during peak periods.
Will usually dispatch within same working day if paid before 14:00 BST (excludes weekends and holidays). Expected dispatch time may vary and is based on sellers order cut-off time.
In the automotive store Global Parts, we offer fast and secure deliveries for our customers in United Kingdom, ensuring maximum compliance with local service standards. Each order is processed with the utmost attention, guaranteeing a fluid shopping process and a timely delivery. If you need assistance in choosing the right part, our team of consultants will be happy to help you find the right part for your vehicle and provide information on installation, availability and parameters of the selected components.
