VW Audi A4 B8 A5 8T Q5 8R High Pressure Fuel Pump 2.0 TDI Diesel 03L130755AC

VW Audi A4 B8 A5 8T Q5 8R High Pressure Fuel Pump 2.0 TDI Diesel is an original fuel system component designed for Audi diesel engines, ensuring stable fuel delivery in modern TDI units. Thanks to its factory design, the pump works in harmony with the engine's electronics and accessories according to the manufacturer's specifications, which helps maintain correct operating parameters. This is a solution for users who want to restore the efficiency of the injection system while maintaining high installation and functional compatibility.

Specifications and technical data

• SKU: 03L130755AC-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L130755AC
• Substitutable numbers: 03L130755AC, 03L 130 755 AC, 0445010529, 0 445 010 529, 03L 130 755 AE, 03L130755AE
• Fuel type: Diesel
• Category: Additional Fuel Injection Parts

Purpose and function in the injection system

The presented pump is a component of the diesel engine fuel system, responsible for precisely delivering fuel at the appropriate pressure to the rail and injectors. In Audi vehicles with a 2.0 TDI unit, its proper operation affects:

• fuel pressure stability across the entire load range,
• smooth engine operation at idle and under load,
• efficient combustion of the mixture in the combustion chambers,
• reduction of the risk of power loss and starting problems.

Thanks to the use of a design consistent with Audi's factory requirements, the pump works with the engine control system, sensors, and other injection system components in a predictable and repeatable manner.

Compatibility with Audi models

VW Audi A4 B8 A5 8T Q5 8R High Pressure Fuel Pump 2.0 TDI Diesel has been designed for use in popular Audi mid-size models and SUVs that utilize 2.0 TDI diesel units. Proper structural fit facilitates installation in place of the factory pump, without the need for interference with fuel piping or mounts.

Its original Audi origin means maintaining the correct operating characteristics, which is especially important in vehicles equipped with advanced emission control systems and complex injection control strategies.

Technical characteristics and application benefits

The pump belongs to the Other injection system parts group, yet it plays a key role in the precise fueling of the diesel engine. The most important benefits of its use include:

• maintaining operating parameters consistent with the vehicle manufacturer's specifications,
• consistent cooperation with the factory engine control unit and pressure sensors,
• reduction of the risk of incorrect fuel dosing,
• the ability to restore proper operating culture of the 2.0 TDI unit after the failure of the old pump.

The element is intended for systems powered by Diesel fuel, which is important when selecting components within the entire injection system.

Condition, origin, and service application

The offered pump comes from the Audi brand and is an aftermarket component, which allows for the economical restoration of the fuel system's efficiency while maintaining the original design. This type of component is particularly useful in situations where the existing pump shows signs of wear, such as fuel pressure drops, starting problems, or unstable engine operation.

Replacing the pump with an original used part is a frequently chosen solution in professional workshops, where both technical compliance and reasonable repair costs relative to the vehicle's value are important.

Injection system expansion and selection of related elements

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 additional pumps, fuel lines, or pressure control elements, check out the available parts in the Other Audi injection system parts category.

For larger service tasks, it is worth using a one-stop-shop approach to select all necessary fuel system and engine accessory components in one place. You can find more practical tips on completing original used parts in the article Comprehensive supply: from the engine to the smallest clip – how to complete used car parts in one place?.