Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI 06N971627B

Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI is an original component from the Cables, harnesses and connectors group, designed for the 2.0 TFSI petrol engine fuel system. It ensures a stable electrical connection between the injectors and the vehicle's wiring, which translates into precise fuel dosage control and consistent engine performance.

Specifications and technical data

• SKU: 06N971627B-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 06N971627B
• Substitutable numbers: 06N971627B, 06N 971 627 B
• Fuel type: Petrol
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the fuel system

The injector wiring harness in the Audi A3 8Y with a 2.0 TFSI engine is responsible for transmitting control signals between the engine control unit and the petrol injectors. A properly functioning harness:

• ensures stable electrical power supply to the injectors,
• minimizes the risk of circuit breaks and signal interference,
• supports smooth operation of all cylinders,
• reduces the possibility of errors related to the injection system. Thanks to its precise fit for the specific petrol engine configuration, this component allows for maintaining the factory routing logic and proper placement of connectors in the engine bay.

Construction, connectors and fitment

The harness belongs to the Cables, harnesses and connectors group, which means it has been designed as a complete solution including wires and dedicated injector terminals. The construction provides:

• factory connectors compatible with injectors used in the 2.0 TFSI unit,
• appropriate wire length for each cylinder,
• installation routing consistent with the original layout in the Audi A3 8Y. Such fitment facilitates installation and reduces the risk of wire tension, which could lead to damage to the insulation or connectors.

Condition, application and benefits of installation

The offered harness is a used component, which in practice allows for an economical replacement of a damaged installation while maintaining the manufacturer's original specifications. Replacing the injector harness is particularly recommended when the following occur:

• intermittent engine operation on individual cylinders,
• engine control unit errors regarding injector circuits,
• visible damage to the insulation or connectors in the engine bay. Using an original harness dedicated to the petrol engine allows for restoring correct fuel injection control, which promotes stable engine operation and facilitates future diagnostics.

Selection, compatibility and technical support

When selecting an injector harness for the Audi A3 8Y with a 2.0 TFSI engine, it is crucial to match it to the specific version of the petrol unit and equipment configuration. The product has an OEM part number and interchangeable numbers, which facilitates verification of compatibility with the vehicle in the manufacturer's catalogs and service systems. In case of doubt, it is worth comparing the shape, number of connectors and wire routing with the currently installed component. If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as additional harnesses, cables or service connectors, check the available parts in the Audi cables, harnesses and connectors category.

Technical knowledge and powertrain development

When working on the powertrain and power transmission, it is worth expanding your knowledge about the relationships between individual components. For those interested in a broader look at drive configuration and gear ratio selection, the following article may be useful: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. It allows for a better understanding of how individual powertrain components work with the engine and control electronics.