Audi A6 C7 2.8 CHVA Injection Pump Fuel Pressure Pump 06E127025S

The Audi A6 C7 2.8 CHVA Injection Pump High-Pressure Pump is a component from the High-Pressure Fuel Pumps group, designed for the gasoline engine in the Audi A6 C7 generation with the CHVA unit. It is responsible for precisely generating high fuel pressure in the direct injection system, which translates to stable engine operation, proper dynamics, and the correct fuel dosage across the entire load range.

Specifications and technical data

• SKU: 06E127025S
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E127025S
• Substitutable numbers: 06E127025S, 06E 127 025 S, 06E 906 051K, 06E906051K
• Fuel type: Petrol
• Part type: High Pressure Pump
• Category: High Pressure Fuel Pumps

Purpose and Function in the Fuel System

The presented high-pressure pump is designed to work with the gasoline engine in the Audi A6 C7 2.8 CHVA, where it is a key element of the fuel supply system. Its task is to raise the fuel pressure from the level generated by the low-pressure pump to the values required by direct injectors, enabling precise fuel metering under all operating conditions.

Stable fuel rail pressure affects:

• proper cold and warm engine starting,
• smooth engine operation at idle,
• adequate throttle response and power retention across the full RPM range,
• maintenance of the correct mixture composition, which contributes to lower fuel consumption.

Technical Characteristics and Compatibility

The pump belongs to the High-Pressure Fuel Pumps category and is structurally adapted to work with gasoline fuel. It has been developed for the specific requirements of the 2.8 CHVA unit, ensuring proper pressure characteristics and compatibility with the factory Audi engine control unit.

The component has a dedicated OEM part number and assigned replacement numbers, which facilitates verification of compliance with a specific vehicle configuration. When selecting, it is always advisable to compare the designations with the data in the technical specifications and service documentation to ensure full compatibility with the fuel system of a given Audi A6 C7 instance.

Condition, Origin, and Service Application

The offered pump is a used component, sourced from disassembly, which represents a cost-effective solution while maintaining the original manufacturer's specifications. This type of part is suitable for both typical fuel system repairs and for diagnosing fuel pressure problems, such as starting difficulties, power loss, or injector-related errors.

Replacing a worn or damaged component with an original high-pressure pump allows for the restoration of correct fuel supply system operating parameters, reduces the risk of further malfunctions (e.g., injectors), and maintains the factory operating characteristics of the Audi gasoline engine.

Benefits of Using an Original High-Pressure Pump

Choosing an original high-pressure pump for the Audi A6 C7 2.8 CHVA ensures:

• compliance with factory design – fitting the engine head, drive, and accessories,
• proper cooperation with control electronics and fuel pressure sensors,
• maintenance of correct gasoline system operating parameters under various loads,
• the possibility of economical repair through the use of a used part with OEM specifications.

For workshops and individual users, this means a more predictable repair outcome and a lower risk of adaptation problems or parameter mismatches compared to random aftermarket replacements.

Support in Selection and Additional Materials

To better understand the role of the high-pressure pump in the entire fuel system and the principles of its diagnostics, it is worth consulting the guide: Fuel System – Injectors, Pumps, and Fuel Tank: Maintenance and Repair. The article discusses, among other things, selecting components by OEM number, typical fault symptoms, and principles of gasoline system operation.

If you are planning a comprehensive repair or upgrade of the fuel system area in your Audi and need other parts from the same group, such as additional pumps, fuel supply components, or pressure regulating components, check the available parts in the Audi High-Pressure Fuel Pumps category.

When selecting used fuel system components, a practical guide on verifying compatibility and OEM designations may also be helpful: How to Professionally Select Used Car Parts, Saving Time and Avoiding Mistakes.