Audi A4 B7 VW Golf GT 1K Pump Fuel Injector Unit 2.0 TDI BRD Diesel 03G130073M

Audi A4 B7 VW Golf GT 1K Pump Fuel Injector Unit 2.0 TDI BRD Diesel is a specialized component of the diesel engine fuel supply system, designed for precise fuel metering in 2.0 TDI units. The offered pump belongs to the Fuel Injector Nozzles category, making it a perfect fit for the needs of workshops specializing in fuel injection systems. This used component allows for an economical yet technically sound repair of the fuel system in Audi vehicles and selected VW models.

Specifications and technical data

• SKU: 03G130073M
• Mark: Audi
• Condition: Used
• OEM Part Number: 03G130073M
• Substitutable numbers: 03G130073M, 03G 130 073 M
• Fuel type: Diesel
• Part type: Fuel Injector
• Category: Fuel Injectors

Purpose and role in the injection system

The fuel injection pump in a diesel engine is responsible for generating the appropriate fuel pressure and delivering it stably to the injectors. In 2.0 TDI BRD units, it works with the electronic engine control system, ensuring proper operating parameters across the entire load range. A correctly selected pump is crucial for:

• maintaining smooth diesel engine operation at both low and high RPM,
• reducing smoke and power drops resulting from improper fuel pressure,
• stable cold and warm starts,
• maintaining proper fuel consumption and engine refinement.

In vehicles such as the Audi A4 B7 or VW Golf GT 1K, the use of the correct injection pump is particularly important due to the requirements of diesel injection systems and their sensitivity to fuel quality.

Benefits of using a diesel injection pump

Diesel-powered engines require a precisely operating injection system to maintain their characteristic flexibility and efficiency. Using the correct injection pump translates into:

• more stable pressure in the fuel rail, which improves throttle response,
• reduced risk of rough idling,
• better cooperation with the turbocharger and exhaust gas recirculation system,
• reduced load on other injection system components, such as injectors.

For Audi and VW users, this means higher refinement of the 2.0 TDI unit and a lower risk of secondary faults resulting from improper fuel supply.

Characteristics of the used component

The offered injection pump is a used component, which allows for lower repair costs while maintaining structural compatibility with the factory fuel system. This type of component is particularly attractive for workshops specializing in TDI unit service and for users looking for a reasonable compromise between price and functionality. A used pump, sourced from dismantling, allows for the preservation of the original fuel system architecture without the need to use replacements with uncertain parameters.

Diagnostics and prevention of the injection system

Before replacing the injection pump, it is worth performing a full fuel system diagnostic to confirm the source of the problem. Symptoms such as starting difficulties, power drops, increased fuel consumption, or smoke may indicate both pump wear and problems with the injectors. A detailed discussion of typical symptoms and the possible consequences of neglect can be found in the article Diesel injector faults – how to recognize them and the risks of neglecting them, which helps to better plan the repair of the entire system.

Comprehensive service of the Audi injection system

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other elements from the same group, such as injectors, fuel lines, or fuel rails, check the available parts in the Audi Fuel Injector Nozzles category.

To further ensure the durability of the installed pump and other components from dismantling, it is worth familiarizing yourself with practical tips regarding the operation and maintenance of used parts, described in the guide How to extend the life of used car parts?. This allows you to better utilize the potential of the installed components and reduce the risk of premature wear.