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 petrol supply system in modern TFSI units. This carefully engineered wiring harness ensures a stable electrical connection between the injectors and the engine's electrical system, which translates into reliable operation of the injection system and predictable performance parameters of the power unit.

Specifications and technical data

• SKU: 06N971627B
• 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 engine system

The presented wiring harness is a component dedicated to the 2.0 TFSI petrol engine in the Audi A3 8Y model. It is responsible for the electrical control of the injectors, transmitting signals from the engine control unit to each injector. A properly selected harness is crucial for:

• stable fuel delivery across the entire rev range,
• maintaining the proper operating characteristics of the TFSI unit,
• preserving factory performance parameters and fuel consumption levels.

By using an original solution, full compatibility with factory engine equipment and the vehicle's standard electronics is maintained.

Construction and advantages of the original Audi harness

The injector wiring harness has been designed by the manufacturer with the demanding operating conditions of the engine bay in mind. It includes a set of wires with appropriately selected cross-sections, insulation, and connectors that work with TFSI petrol injectors. Using an original harness ensures:

• reliable electrical connections thanks to factory connectors matched to the injectors and engine wiring,
• resistance to temperature, vibrations, and moisture typical of the engine bay,
• preservation of factory wire routing, which reduces the risk of chafing and mechanical damage.

Compared to generic replacements, the original harness helps avoid issues with poor contact, engine control unit errors, and unstable operation of the injection system.

Application in the 2.0 TFSI petrol engine

TFSI engines are sensitive to the quality of electrical signals controlling fuel injection, which is why the appropriate wiring harness has a direct impact on:

• precision of petrol injection under various loads,
• proper operation of exhaust emission control systems,
• stable cold and warm starts.

The Audi A3 8Y Engine Injector Module Wiring Harness Cable 2.0 TFSI has been constructed with the specifics of direct-injection petrol units in mind, which facilitates diagnostics and service, and minimizes the risk of errors related to injector circuits.

Condition, installation, and service aspects

The item comes from a used vehicle, allowing for its cost-effective use as a service part while maintaining the manufacturer's original specifications. The harness is intended for installation in place of the factory component, without the need for modifications to the electrical system. During replacement, it is recommended to:

• inspect the condition of injector connectors and sockets in the engine wiring,
• route the wires in accordance with factory guides and clips,
• check for proper engine operation and any potential errors in the control unit after installation.

Using an original harness from the same Audi model group reduces installation time and makes it easier to maintain factory service standards.

Expansion of the electrical system in 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 additional harnesses, sensor wires, or installation connectors, check out the available parts in the Audi cables, harnesses and connectors category.

To better plan your purchases and efficiently collect all the necessary components – from engine parts to small connectors – it is worth checking out the guide on organizing purchases in one place: Comprehensive supply: from the engine to the smallest clip.