Mercedes W907 Diesel Fuel Pump Delivery Sender Tank Module Unit A9074702300

Mercedes W907 Diesel Fuel Pump Delivery Sender Tank Module Unit is an original fuel system component responsible for the precise delivery of diesel fuel from the tank to the engine's downstream components. As part of the Fuel pumps and level sensors category, it ensures stable fuel supply to the engine and proper integration with the fuel level measurement system. This used OEM part is a sensible choice for professional repairs or servicing of the fuel system in Mercedes W907 series vehicles.

Specifications and technical data

• SKU: A9074702300-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A9074702300
• Substitutable numbers: A9074702300, A 907 470 23 00
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described Mercedes W907 Diesel Fuel Pump Delivery Sender Tank Module Unit is designed to work with Diesel engines in Mercedes W907 vehicles, where it is responsible for transporting fuel from the tank to the rest of the fuel system. The integrated "tank module" design combines the pump and the assembly responsible for delivering fuel at the correct operating pressure in a single housing, which facilitates service and replacement in workshop conditions.

A properly selected fuel pump module is crucial for:

• stable operation of the diesel engine across the full load range,
• correct cold and warm starts,
• maintaining adequate fuel flow under high load,
• proper cooperation with the fuel level sensor in the tank.

Benefits of using an original Mercedes module

Using an original fuel pump module dedicated to the Mercedes W907 allows you to maintain the factory operating parameters of the fuel system. Proper flow characteristics and fitment to the fuel tank architecture reduce the risk of air locks, pressure drops, or unstable idle operation. The used OEM part is also an economical solution compared to a new part, while maintaining compatibility with the factory electrical and fuel installation.

For workshops and users, this means:

• easier diagnostics and installation thanks to the serial design,
• no need for modifications to the wiring harness or fuel lines,
• maintaining compliance with the engine control unit software.

Condition, selection, and installation of the module

The offered Mercedes W907 Diesel Fuel Pump Delivery Sender Tank Module Unit is a used component, which in practice means that a standard workshop inspection is recommended before installation: checking the tightness of the connectors, the condition of electrical terminals, and the overall state of the housing. Proper part selection should be based on the OEM number and vehicle data (model, year, engine type) to ensure full compatibility with the specific fuel system configuration.

During installation, pay attention to:

• proper seating of the module in the fuel tank,
• accurate connection of supply and return lines,
• correct fastening of electrical connectors,
• bleeding the system after installation in accordance with the manufacturer's procedure.

Technical support and knowledge about the fuel system

To better understand the operation of the fuel pump module in a diesel engine and to correctly perform diagnostics, selection by OEM number, and maintenance, it is worth using expert materials. A detailed discussion of the construction and operation of the fuel system, injectors, pumps, and fuel tank can be found in the article Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration, which contains practical tips, comparison tables, and answers to frequently asked questions.

Other modules in the Mercedes Fuel pumps and level sensors category

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 additional pump modules, level sensor assemblies, or complete tank inserts, check the available parts in the Mercedes Fuel pumps and level sensors category.