Fuel Tank Pump Mercedes W205 W213 X253 OM654 Delivery Sender Module A2054701694

Fuel Tank Pump Mercedes W205 W213 X253 OM654 Delivery Sender Module is an original diesel fuel delivery module designed for the fuel systems of modern Mercedes diesel engines. This component from the Fuel pumps and level sensors category is responsible for the stable delivery of diesel fuel from the tank to the injection system, which ensures reliable starting and smooth operation of the OM654 power unit.

Specifications and technical data

• SKU: A2054701694-1
• Mark: Mercedes (Genuine OE)
• Condition: Used
• OEM Part Number: A2054701694
• Substitutable numbers: A2054701694, A 205 470 16 94
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Purpose and function in the fuel system

The described fuel pump module operates in the fuel tank of Mercedes C-Class, E-Class, and compact SUV vehicles equipped with the OM654 diesel engine. Its task is to generate the appropriate pre-pressure and continuously supply fuel to the subsequent components of the system, which is crucial for the proper operation of the precise, high-pressure diesel injection system.

Thanks to a design adapted to the specifics of diesel units, the pump ensures:

• stable fuel supply across the full range of engine loads,
• proper cooperation with the control system and level sensors,
• adequate fuel circulation within the tank, reducing the risk of air locks.

Benefits of using an original Mercedes module

Using an original fuel delivery module in a diesel system allows for maintaining the factory performance parameters of the OM654 unit. Precise fitment for the specific Mercedes platform minimizes the risk of mechanical and electrical compatibility issues and facilitates installation in place of the factory pump.

The main advantages of this solution include:

• maintaining correct pre-pressure values in the fuel system,
• consistency with the factory operating characteristics of the diesel engine,
• easier diagnostics in case of potential faults, thanks to compliance with Mercedes service documentation.

Operating characteristics in a diesel engine

Diesel engines are particularly sensitive to fuel supply disruptions, which is why a fully functional in-tank pump module has a direct impact on the refinement of the OM654 unit. A properly operating pump reduces the risk of:

• extended cranking times after prolonged parking,
• rough idling,
• power drops under higher loads.

The module is adapted for operation with diesel fuel, which means it features appropriately selected sealing materials and a construction resistant to the specific properties of diesel fuel.

Condition, verification, and selection based on technical data

This item comes from the secondary market, which allows for an economical repair of the fuel system while maintaining the manufacturer's original specifications. Before installation, it is recommended to verify compatibility using the OEM part number and interchangeable numbers, as well as to compare the module's construction with the removed part. Proper selection based on body style, engine type, and installed equipment is crucial for trouble-free installation.

To better understand the principles of safely using pre-owned components and selecting parts based on manufacturer markings, it is worth checking our guide: Used automotive electronics and sensors – a practical guide to selection and installation.

Fuel system expansion and related parts

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 delivery modules, fuel level sensors, or mounting elements in the tank, check the available parts in the Mercedes fuel pumps and level sensors category.