Audi A4 B8 A6 C7 A7 C7 4G Fuel Injector Wiring Cable 3.0 TFSI 06E971627N

Audi S4 B8 A6 C7 A7 C7 Fuel Injector Harness 3.0 TFSI is an original part from the wires, harnesses, and connectors category, designed for the fuel supply system of 3.0 TFSI gasoline engines in selected Audi models. It ensures a stable electrical connection of the fuel injectors to the vehicle's wiring system, which translates to proper engine operation.

Specifications and technical data

• SKU: 06E971627N
• Mark: Audi
• Condition: Used
• OEM Part Number: 06E971627N
• Substitutable numbers: 06E971627N, 06E 971 627 N
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and Function of the 3.0 TFSI Injector Harness

The Fuel Injector Harness 3.0 TFSI is responsible for transmitting control signals between the engine control unit and the injectors in the V6 TFSI units used in the Audi S4 B8, A6 C7, and A7 C7. A properly functioning harness:

• stabilizes fuel injection through a secure electrical connection for each injector,
• reduces the risk of misfires resulting from circuit interruptions or unstable contact,
• supports smooth engine operation across the full range of loads and RPMs.

This part is dedicated to the specific 3.0 TFSI engine architecture, ensuring correct wire routing geometry and connector fit for the factory injector sockets.

Construction, Connectors, and Compatibility

The harness belongs to the group of components referred to as wires, harnesses, and connectors, meaning it is designed for operation in the engine bay, under conditions of elevated temperature and vibration. Characteristic construction features include:

• factory injector connectors matched to the 3.0 TFSI injection system,
• appropriately routed branches to individual cylinders,
• insulation adapted to the operating environment near cylinder heads and manifolds.

Thanks to the preservation of the original harness geometry, installation in the Audi S4 B8, A6 C7, and A7 C7 does not require wiring modifications or alterations to factory mounting points.

Benefits of Using an Original Audi Harness

Using an original injector harness in the 3.0 TFSI engine offers a range of practical operational benefits:

• guaranteed fitment – correct wire length and connector placement consistent with the original Audi design,
• stable injection system operation – reduction of errors related to circuit interruptions or unstable contact,
• easier diagnostics – maintaining the original wiring layout simplifies the localization of potential faults,
• compatibility with the vehicle's electrical system – the harness works seamlessly with the factory engine control unit and the rest of the electrical system.

This solution is particularly recommended for issues with uneven engine operation, injection errors, or damaged wire insulation in the engine bay.

Condition, Verification, and Preparation for Installation

The offered part is from the used Audi parts group, allowing for an economical repair of the injection system while maintaining the original manufacturer's specifications. Before being offered for sale, the harness is visually inspected for:

• wire continuity and absence of visible insulation abrasions,
• connector condition – clips, sockets, and seals,
• overall harness integrity in areas prone to bending and stress.

Installation by an experienced service center is recommended, adhering to factory mounting points and wire routing to minimize the risk of re-damage during operation.

Other Audi Wires, Harnesses, and Connectors, and Operational Tips

If you are looking for other Audi wires, harnesses, and connectors suitable for your model, check out our dedicated category: Audi wires, harnesses, and connectors. There you will find a wide selection of electrical system components to comprehensively care for your car's fuel and control systems.

Want to better plan your car's service and know which parts are worth checking more often? See our practical guide for drivers: TOP 10 Most Frequently Replaced Parts in Your Car, where you'll find tips on maintenance, diagnostics, and optimizing operating costs.