Audi A3 8P Door Wiring Harness Loom Cable Rear Left Right N/O/S 8P4971693M

Audi A3 8P Door Wiring Harness Loom Cable Rear Left Right is an original electrical installation component designed for the rear part of the vehicle body, on both the left and right sides. Thanks to its factory-fit design for the specific Audi model, it ensures stable electrical connections and proper cooperation with comfort modules and door equipment. It is a practical solution for post-collision repairs, mechanical damage, or electrical issues in the rear doors.

Specifications and technical data

• SKU: 8P4971693M
• Mark: Audi
• Condition: Used
• OEM Part Number: 8P4971693M
• Substitutable numbers: 8P4971693M, 8P4 971 693 M
• Location on the vehicle: Rear, Right, Left
• Part type: Wire Harness
• Category: Wiring Harnesses, Cables & Connectors

Purpose and vehicle placement

The presented wiring harness is a component from the Wires, harnesses, and connectors group, designed to operate in the rear part of the vehicle, on both the left and right sides. It is responsible for distributing signals and power between the main installation and door accessories, such as window controls, central locking, or lighting. The placement on the vehicle is factory-defined, which facilitates correct installation and minimizes the risk of incorrect cable routing.

Construction and function of the wiring harness

The door wiring harness for the Audi A3 8P is an integrated set of wires and connectors, prepared to operate in the demanding environment of car doors. The construction includes:

• dedicated connectors matched to the body installation and door modules,
• wires with appropriately selected cross-sections for control and power circuits,
• factory cable routing, reducing the risk of abrasion during repeated opening and closing of the doors.

Such a solution allows for consistent and predictable operation of electrical systems in the rear doors, without the need for creating individual wires or modifying the installation.

Use in service and repairs

The rear door wiring harness is particularly useful in situations where the factory installation has been damaged due to abrasion, contact corrosion, improper repairs, or interference with the upholstery. Using a complete harness:

• simplifies the service process – installation is done in place of the original component,
• reduces the number of potential failure points compared to "spliced" repairs,
• facilitates diagnostics – the installation corresponds to the factory electrical diagram.

For workshops and private users, this means a more predictable repair result and a lower risk of recurring electrical faults in the rear doors.

Product characteristics and condition

The offered harness is an Audi brand component, originating from the original vehicle installation. This type of component ensures compliance with the manufacturer's factory standards regarding cable routing, connector types, and their layout. The product is in used condition, which in practice means it comes from dismantling, and its construction and configuration correspond to the solutions used in series in the Audi A3 8P.

For many users, choosing an original, used harness is a favorable compromise between cost and maintaining factory electrical installation compatibility, without the need to use replacements with uncertain fitment.

Integration with other Audi installation components

The door wiring harness works with other components of the body electrical system, including control modules and other harnesses in the vehicle. When replacing this component, it is worth paying attention to the condition of connectors, rubber grommets, and mounts to maintain tightness and protection against moisture. Proper installation translates into stability of comfort systems in the rear doors and reduces the risk of interference in communication between modules.

If you are planning a comprehensive repair or upgrade of the door electrical installation area in your Audi and need other components from the same group, such as additional harnesses, wires, or connectors, check the available parts in the Audi wires, harnesses, and connectors category.

Additional technical information and part selection

When selecting a harness for the Audi A3 8P, it is crucial to match it to the specific body configuration and door equipment. It is worth verifying compatibility with your vehicle version based on technical data and manufacturer markings in the specification. In the case of extensive repairs, including suspension elements or other systems, guide materials regarding the selection of used components may be helpful – especially where structural differences between series versions and more advanced ones are significant.

More practical tips on choosing and evaluating used components can be found in the article Standard vs. sports suspension – design differences and is it worth buying used suspension parts?, which discusses, among other things, the approach to purchasing secondary market components.