Audi A4 S4 B8 A5 S5 8T A6 C7 High Pressure Fuel Pump 3.0 TFSI 07L127026AB

Visual condition of the part

The product shows signs of use visible in the photos.

Audi A4 S4 B8 A5 S5 8T A6 C7 High Pressure Fuel Pump 3.0 TFSI is an original component from the High-pressure fuel pumps group, designed for 3.0 TFSI petrol engines in mid-size and executive Audi models. It ensures precise fuel supply to the engine at high pressure, which translates into stable engine operation, correct performance, and predictable throttle response.

Specifications and technical data

• SKU: 07L127026AB-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 07L127026AB
• Substitutable numbers: 07L127026AB, 07L 127 026 AB
• Part type: High Pressure Pump
• Category: High Pressure Fuel Pumps

Purpose and function in the fuel system

The presented high-pressure pump is responsible for generating the fuel pressure required by the injection system in the 3.0 TFSI engine. This component works with the low-pressure part of the system, stabilizing supply parameters across a wide range of loads – from calm city driving to dynamic acceleration on the highway.

Thanks to the factory Audi design, the pump maintains proper flow and pressure characteristics, which helps maintain the engine's smooth operation, reduces the risk of jerking, and supports correct fuel dosing by the injectors.

Benefits of using an original high-pressure pump

Using an original fuel pump in the 3.0 TFSI engine allows for maintaining the consistency of the entire fuel supply system with the manufacturer's factory specifications. This is particularly important in turbocharged units, where fuel pressure precision has a direct impact on performance and engine safety.

• maintenance of factory fuel pressure characteristics across the full RPM range,
• consistency with engine control unit software and injection maps,
• reduction of the risk of starting problems on both warm and cold engines,
• stable operation under higher loads and during long-distance driving.

For users who expect predictable vehicle behavior and want to avoid experimenting with replacements, the original Audi high-pressure pump is a technically safe solution compatible with the vehicle's factory configuration.

Installation characteristics and fitment

The pump has been designed specifically for 3.0 TFSI units used in Audi A4 / S4 B8, A5 / S5 8T, and A6 C7 models, which translates into a proper fit for the cylinder head, fuel lines, and engine accessories. The appropriate placement of connections and the serial body geometry facilitate installation in place of the factory component without the need for modifications.

It is always worth verifying the correct fitment for a specific engine version and model year based on the OEM number or VIN – this allows you to avoid compatibility issues and ensures proper cooperation with the existing fuel system.

Component condition and service application

The offered pump comes from disassembly and is a used component, which represents an attractive cost alternative to purchasing a new part. This type of solution is often chosen during comprehensive 3.0 TFSI engine repairs when it is necessary to replace several fuel system components at once.

Replacing the high-pressure pump is recommended in situations where symptoms such as power loss, fuel pressure errors in the ECU, starting difficulties, or unstable idle speed occur. Selecting an original component from the same design group allows for restoring the correct operating parameters of the system.

Technical support and selection by part numbers

Due to the specifics of direct petrol injection systems, it is crucial to use the OEM part number and interchangeable numbers when selecting a high-pressure pump. This facilitates the identification of the correct design version and minimizes the risk of installing an unsuitable component.

To better understand the relationships between the pump, injectors, and fuel tank, and to learn about diagnostics and regeneration principles, it is worth reading the article: Fuel system – injectors, pumps, and fuel tank: maintenance and regeneration. This is a practical source of knowledge for those servicing their car themselves and for workshops.

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, supply elements, or components working with the injection system, check the available parts in the Audi high-pressure fuel pumps category.