Audi A4 B9 2.0 CVKB Petrol Fuel Injectors Wiring Harness Loom 06L971627K

Audi A4 B9 2.0 CVKB Petrol Fuel Injectors Wiring Harness Loom is a component from the Wires, harnesses, and connectors group, designed for the petrol engine fuel system. It is responsible for a stable electrical connection between the injectors and the vehicle's electrical system, which directly affects the engine's performance and operational safety. This is an OEM solution by Audi, designed to meet the specific requirements of the CVKB engine.

Specifications and technical data

• SKU: 06L971627T
• Mark: Audi
• Condition: Used
• OEM Part Number: 06L971627T
• Substitutable numbers: 06L971627T, 06L 971 627 T
• Fuel type: Petrol
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the fuel system

The fuel injector wiring harness in the Audi A4 B9 with a CVKB petrol engine is responsible for the precise transmission of control signals between the engine control unit and the injectors. A correctly selected component from this group reduces the risk of electrical interference, ignition errors, and fuel dosing problems. Thanks to its factory design, the harness ensures:

• proper routing of wires in the engine compartment,
• stable connectors matched to petrol injectors,
• preservation of the original electrical system architecture.

Advantages of using an original Audi harness

An OEM component from this group is designed for specific thermal and electrical loads, which promotes long-term, repeatable operation of the injection system. Factory connectors minimize the risk of contact looseness, and thus signal interruption while driving. Using an original harness also allows you to avoid modifying the installation, soldering, or creating adapters. In practice, this means:

• easier diagnostics of potential future faults,
• compliance with Audi service documentation,
• consistency with the operating parameters of the petrol engine.

Operational and installation characteristics

The fuel injector wiring harness in the Audi A4 B9 is a component operating in the demanding environment of the engine compartment, which is why the resistance of the insulation to temperature and vibration is crucial. Properly formed branches facilitate wire routing and correct positioning at the fuel rail, which reduces the risk of abrasion and mechanical damage. During replacement, it is recommended to:

• check the condition of the injector connectors and their locks,
• verify the harness attachment points to the factory brackets,
• perform an installation test after assembly (e.g., for errors in the engine control unit).

Why choose a used OEM harness

A used OEM component from the Wires, harnesses, and connectors group often provides a better fit than many aftermarket replacements because it retains the original geometry, wire lengths, and connector types. This is particularly important in modern petrol units, where the tolerance for installation errors is low and the injection system operates under strictly defined conditions. If you want to consciously compare the advantages of a used OEM part with replacements and learn practical selection criteria, it is worth reading the article 5 reasons why a used OEM part is a better choice than a replacement, where you will find concrete examples and tips.

Expanding work within the Audi engine installation

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, signal wires, or service connectors, check the available parts in the Audi wires, harnesses, and connectors category.