Audi A5 F5 Q5 FY High Pressure Fuel Pump 2.0 TFSI DDWA 06K127028L

Audi A5 F5 Q5 FY High Pressure Fuel Pump 2.0 TFSI DDWA is an original fuel system component designed for direct-injection petrol engines. Thanks to its factory-spec design, it ensures stable and appropriately high fuel pressure, which translates into smooth engine operation and correct interaction with the engine electronics. This solution is dedicated to users who expect precise performance and the maintenance of parameters consistent with the manufacturer's standards.

Specifications and technical data

• SKU: 06K127028L
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K127028L
• Substitutable numbers: 06K127028L, 06K 127 028 L, 06H 906 517 Q, 06H906517Q, 06L 127 A08, 06L127A08, 06K 127 028D, 06K127028D
• Category: Hoses, Lines & Pipes

Purpose and function in the fuel system

The high-pressure pump in the 2.0 TFSI engine is responsible for increasing fuel pressure from the level generated by the low-pressure pump to the values required by the direct injectors. This component works in conjunction with the camshaft and the engine control unit, ensuring dynamic pressure regulation depending on load and engine speed. Using an original pump in Audi A5 F5 and Q5 FY models allows for maintaining the proper operating parameters of the injection system, reducing the risk of power loss and starting issues on both warm and cold engines.

Benefits of using an original pump

Using a factory-spec solution in the fuel system is crucial for the durability and stability of the engine. The original high-pressure pump ensures:

• performance characteristics perfectly matched to the 2.0 TFSI engine,
• proper cooperation with the factory engine control unit and pressure sensors,
• maintenance of combustion parameters in accordance with the manufacturer's specifications,
• reduced risk of diagnostic errors related to fuel pressure.

As a result, the fuel system remains structurally consistent, and the engine operates within the range intended by the manufacturer, which helps maintain smooth operation and reduces wear on associated components.

Installation and operational characteristics

The high-pressure pump is mounted directly on the engine cylinder head, in the timing system area, where it is mechanically driven. The design intended for the Audi A5 F5 and Q5 FY with the 2.0 TFSI unit allows for installation in place of the factory component without the need for modifications to the fuel or electrical systems. With proper installation, following the manufacturer's procedures (correct tightening, system bleeding, leak check), the pump provides stable operating pressure across the entire rev range.

The component belongs to the Lines, hoses and pipes group, which emphasizes its close connection to the fuel system and the medium circulation. Proper connection of high-pressure lines and inspection of seal conditions are crucial for safe operation and avoiding leaks in the fuel supply area.

Condition and service application

The offered pump is a used component, making it an attractive service solution in the event of a factory fuel system failure or the need for replacement due to mechanical wear. Choosing an original component from disassembly allows for maintaining factory specifications while reducing repair costs, which is particularly important for technically advanced TFSI units.

The pump is suitable both for standard replacement of a damaged component and for comprehensive fuel system maintenance, including inspection of lines, hoses, pipes, and other sub-assemblies responsible for delivering fuel to the engine.

Expanding the fuel system in your Audi

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 supply lines, flexible fuel hoses, or rigid supply pipes, check out the available parts in the Audi lines, hoses and pipes category.

For drivers interested in a broader perspective on the cost-effectiveness of using aftermarket components, especially within the VAG group, the article describing the durability and application of used components may be helpful – you can find more information in the material Volkswagen – solidity and reliability. Why are used VW parts a reasonable choice?.