Audi A4 B7 High Pressure Fuel Pump 2.0 TFSI Petrol BWE 06F127025K

Audi A4 B7 High Pressure Fuel Pump 2.0 TFSI Petrol BWE is a fuel system component designed for direct injection engines. It maintains sufficiently high pressure in the fuel rail, which translates into stable engine operation and correct fuel metering. Thanks to its factory-spec design, it is a beneficial solution for servicing the injection system in this model.

Specifications and technical data

• SKU: 06F127025K-8
• Mark: Audi
• Condition: Used
• OEM Part Number: 06F127025K
• Substitutable numbers: 06F127025K, 06F 127 025 K, 06F127025H, 06F 127 025 H, 06F 127 025 M, 06F127025M
• Fuel type: Petrol
• Rim width: 8
• Category: High Pressure Fuel Pumps

Purpose and role in the fuel system

The presented pump belongs to the High-pressure fuel pumps category and is compatible with the 2.0 TFSI BWE petrol engine in the Audi A4 B7. It is responsible for increasing the fuel pressure supplied from the low-pressure pump to the level required by the direct injectors. A correctly selected pump helps maintain proper engine performance parameters, reduce power drops, and prevent unstable idling. In TFSI units, the performance quality of the high-pressure pump has a direct impact on engine refinement, fuel consumption, and exhaust emissions. Using a part with the correct pressure characteristics helps maintain proper synchronization between the engine control unit, injectors, and other fuel system components.

Technical specifications and compatibility

The pump has been designed specifically for use with the TFSI petrol injection system. Its construction is based on a mechanical drive from the camshaft, which ensures precise fuel metering as a function of engine load and speed. The component has a dedicated OEM part number and assigned interchangeable numbers, which facilitates verification of compatibility with a specific vehicle configuration. Before purchasing, it is recommended to compare the pump markings with the vehicle data and manufacturer's specifications to avoid installation and system operation issues. Using the correct variant is particularly important in direct injection engines, where small design differences can affect fuel pressure parameters.

Condition, application, and benefits of installation

The offered pump comes from dismantling and is a used component, which allows for lower repair costs compared to a new part while maintaining the original specifications. This solution is often chosen for maintenance repairs when the existing pump shows signs of wear, such as pressure drops, difficulty starting on a warm engine, or fuel metering-related errors. A properly selected and functional high-pressure pump can contribute to:

• more stable engine operation across the entire rev range,
• more predictable throttle response,
• reduced risk of injection system errors,
• maintaining the factory performance parameters of the engine.

Installation and maintenance tips

When replacing the high-pressure pump in a TFSI engine, it is recommended to follow the manufacturer's procedures, including checking the tightness of fuel lines and the correct tightening torque of connections. It is also worth paying attention to the condition of cooperating elements, such as the low-pressure pump or fuel filter, to avoid overloading the newly installed pump. To increase the durability of the petrol fuel system, it is important to use high-quality fuel and perform regular diagnostics of pressure parameters during service. This allows for early detection of irregularities and reduces the risk of damage to injectors or other system components. 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 high-pressure pumps, fuel supply elements, or components cooperating with the injection system, check the available parts in the Audi High-pressure fuel pumps category. To better assess the condition of a used component and minimize the risk of fuel metering issues after installation, it is worth familiarizing yourself with practical tips regarding the purchase of dismantled parts – detailed information can be found in the article Fuel metering problems – how to safely choose a used injection pump and fuel rail.