Audi RS3 8Y RSQ3 F3 Fuel Injectors Wiring Harness Cable 2.5 TFSI 07K971082E

Audi RS3 8Y RSQ3 F3 Fuel Injectors Wiring Harness Cable 2.5 TFSI is a specialized component from the Cables, harnesses and connectors group, designed for the fuel injection system of the 2.5 TFSI engine. It is responsible for a stable electrical connection between the injectors and the vehicle's wiring system, which directly affects the precision of fuel delivery and the engine's performance.

Specifications and technical data

• SKU: 07K971082E
• Mark: Audi
• Condition: Used
• OEM Part Number: 07K971082E
• Substitutable numbers: 07K971082E, 07K 971 082 E
• Category: Wiring Harnesses, Cables & Connectors

Purpose and function in the injection system

The presented fuel injector wiring harness has been designed to meet the requirements of the 2.5 TFSI engine used in Audi RS3 8Y and RSQ3 F3 models. Its task is to ensure a secure, interference-resistant electrical connection between the engine control unit and the injectors, which translates into stable engine operation, correct fuel doses, and predictable throttle response.

Thanks to the factory-spec cable routing geometry and properly selected connectors, the harness helps maintain proper organization of the installation in the engine bay, reducing the risk of chafing, looseness, and unwanted tension.

Construction, connectors, and performance parameters

The harness belongs to the Cables, harnesses and connectors group, meaning it consists of a set of wires with selected diameter, insulation, and shielding, terminated with connectors matched to the injectors and the vehicle's installation. The design includes appropriate branches for individual cylinders, maintaining factory lengths and mounting points.

Key performance features of this harness include:

• dedicated connectors for 2.5 TFSI engine injectors,
• cables routed in a way that limits the impact of temperature and vibration,
• factory branch configuration facilitating correct installation in the engine bay,
• compatibility with the original engine control system.

This configuration helps maintain stable electrical parameters, which is essential for precise injection control in high-power turbocharged engines.

Benefits of using an original Audi harness

Choosing a fuel injector wiring harness from Audi means maintaining the factory standard of workmanship and fitment. The appropriate cable length, correct connector types, and manufacturer-specified mounting points minimize the risk of installation errors and operational problems, such as intermittent circuit breaks or sensitivity to vibration.

By using an original element from this group, you limit the need for installation modifications, which is particularly important in high-power vehicles where the stability of the injector power supply affects performance, exhaust emissions, and engine safety.

Condition, verification, and service application

The offered harness is a used component, which in service practice often represents a reasonable compromise between cost and maintaining the original manufacturer's specification. This type of component, when used correctly, does not suffer from rapid mechanical wear, which is why it can be successfully used as a spare part in fuel system repairs.

The harness will work well both for a typical replacement of a damaged section of the installation and for more extensive service work related to the disassembly of engine accessories, where maintaining factory cable routing and connection reliability is essential.

Selecting parts by brand and category

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 power harnesses, signal cables, or sensor connectors, check the available parts in the Audi cables, harnesses and connectors category.

To better assess when it is worth choosing a used element versus a new one or a replacement, the article comparing different types of parts may be helpful – you can find it here: Original, replacement, or used – which car parts are the most cost-effective?.