Description
The Mercedes W203 M272 Fuel Tank Inlet Hose is an original part of the diesel fuel supply system, designed for precise fuel delivery from the tank to further components. Thanks to its factory geometry and fit for Mercedes construction, it ensures stable fuel flow and proper cooperation with other system components. A used part from disassembly allows for a technically correct repair without the need to resort to aftermarket alternatives with uncertain parameters.
Specifications and technical data
- SKU: A4474702501
- Mark: Mercedes (Genuine OE)
- Condition: Used
- OEM Part Number: A4474702501
- Substitutable numbers: A4474702501, A 447 470 25 01, BG
- Fuel type: Diesel
- Category: Fuel Tanks & Filler Necks
Function and Role in the Fuel System
The fuel tank inlet hose in a Mercedes is responsible for the safe and controlled transfer of diesel fuel from the tank area to further system elements, such as the supply pump or fuel filter. In vehicles powered by Diesel fuel, the sealing and appropriate diameter of the hose are crucial for maintaining proper pressure and limiting the risk of air entering the system.
The original design of the hose ensures:
- an appropriately selected inner diameter for stable fuel flow,
- geometry adapted to the body and tank assembly,
- compatibility with factory quick connectors and mountings.
Designed for Mercedes Vehicles
The hose has been specifically designed for use in Mercedes models, which translates to a secure fit for the fuel system and easier installation. Using a part from the Fuel Tanks and Filler Necks group from the same brand minimizes the risk of leaks, collisions with other components, and problems with routing the hose in the underbody compartment.
By maintaining factory design parameters, the hose works with original brackets and covers, facilitating service and subsequent visual inspections of the fuel system.
Benefits of Using an Original Fuel Tank Inlet Hose
Using a fuel tank inlet hose dedicated to Mercedes allows for the correct operation of the diesel engine fuel supply system. The most important benefits include:
- Factory Fit – no need for modifications, cutting, or fabricating additional connectors.
- Stable fuel flow – reduction of pressure drops and risk of air ingress during startup.
- Safe hose routing – in accordance with the original path, maintaining clearance from heating and moving elements.
- The possibility of maintaining the consistency of the entire fuel system with other OEM components.
For diesel engines, this approach translates to more predictable engine operation, easier diagnostics, and a lower risk of failures related to hose leaks.
Condition, Origin, and Service Application
The offered hose comes from disassembly and is a used part, allowing for an economical yet technically correct repair of the fuel system. For workshops and individual users, this is a particularly beneficial solution for comprehensive service work in the fuel tank area, where several components are often replaced simultaneously.
Before installation, standard service procedures are recommended: visual inspection, checking connection sockets, and verifying sealing after installation in the vehicle. This approach allows for the full utilization of the part’s potential and ensures trouble-free operation of the fuel system.
Technical Support and Component Selection
When working with the diesel fuel supply system, it is particularly important to correctly select hoses, pumps, and tank components. To better understand the relationships between these components, it is worth referring to expert material – practical tips on diagnostics, repair, and selection by manufacturer codes can be found in the article “Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair”.
If you are planning a comprehensive repair or upgrade of the fuel system area in your Mercedes and need other parts from the same group, such as inlet or return hoses, or connection elements at the tank, check the available parts in the Mercedes Fuel Tanks and Filler Necks category.
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