Volkswagen Eos Golf Mk6 Passat B6 Electric Fuel Pump 2.0 TDI Diesel 1K0127023J

Volkswagen Eos Golf Mk6 Passat B6 Electric Fuel Pump 2.0 TDI Diesel is an original electric fuel pump from the Fuel pumps and level sensors category, designed for diesel engines. This component ensures a stable supply of diesel fuel to the injection system, which translates into reliable starting, smooth engine operation, and safe vehicle performance.

Specifications and technical data

• SKU: 1K0127023J-1
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 1K0127023J
• Substitutable numbers: 1K0127023J, 1K0 127 023 J, 5N0906274B, 5N0 906 274 B
• Fuel type: Diesel
• Category: Fuel Pumps & Sending Units

Application and function in the fuel system

The electric fuel pump in a diesel engine is responsible for precisely delivering fuel from the tank to the injection system at the correct pre-pressure. In Volkswagen Eos, Golf Mk6, and Passat B6 models with the 2.0 TDI engine, this is a key component ensuring the proper operation of the entire fuel supply system, especially during cold starts, dynamic acceleration, and long-distance highway driving. Choosing a pump that meets factory parameters minimizes the risk of pressure drops, air in the system, or starting issues. Using a part from the same design family as the factory component facilitates installation and helps maintain the original engine performance characteristics.

Compatibility and technical markings

The presented pump comes from the Volkswagen line and is marked with a dedicated OEM part number and associated interchangeable numbers, which facilitates clear identification in service catalogs. This allows for precise matching to a specific 2.0 TDI engine version and fuel system configuration. In practice, when selecting this pump, it is worth using the OEM number or reference numbers and vehicle data (model, production year, engine type) to ensure full compatibility with the electrical and mechanical installation in the car. The product is designed to work with Diesel fuel, which is significant for both the internal construction and the material resistance to the specific properties of diesel oil.

Condition, functional advantages, and installation

The pump is offered as a used item, which allows for lower repair costs compared to a new OEM component, while maintaining the original design and operating parameters. For many users, this is a reasonable compromise between quality and budget, especially for older Eos, Golf Mk6, or Passat B6 vehicles. The main advantages of using an original electric fuel pump include:

• maintaining the factory power supply characteristics of the diesel engine,
• reliable fitment to the electrical harness and fuel lines,
• reducing the risk of compatibility issues typical of low-quality aftermarket replacements. During installation, it is recommended to use new seals and thoroughly bleed the fuel system after replacement to avoid difficulties with the first start after installation.

Technical support and selection by part numbers

To minimize the risk of error when choosing a used item from the Fuel pumps and level sensors group, it is worth using the OEM part number and interchangeable numbers assigned to a specific engine and body configuration. Proper selection by part numbers helps avoid problems with mechanical installation, electrical connectors, or operating parameters. If you are planning a comprehensive repair or upgrade of the fuel supply area in your Volkswagen and need other elements from the same group, such as pre-pumps, modules integrated with the tank, or fuel level sensors, check the available parts in the Volkswagen fuel pumps and level sensors category. Additional information on how to safely choose used components from the electronics and control elements group is provided by the Global Parts guide – it discusses in detail selection by OEM numbers, hardware and software compatibility, and practical aspects of installation. You can find more in the article Used automotive electronics on board – why is it worth choosing second-hand ECU modules and sensors?.

Summary

Volkswagen Eos Golf Mk6 Passat B6 Electric Fuel Pump 2.0 TDI Diesel is an original electric fuel pump for diesel engines, designed for operation in diesel fuel supply systems. The offered used component allows for an economical, yet technically correct repair of the fuel system, while maintaining factory operating parameters and compatibility with the installation in Volkswagen vehicles.