Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins 431951253H

Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins is an original component from the Relays group, designed for use in the electrical systems of Audi vehicles. This used OEM component ensures the correct operating parameters for systems requiring stable circuit switching at 12V and a four-pin configuration.

Specifications and technical data

• SKU: 431951253H
• Mark: Audi
• Condition: Used
• OEM Part Number: 431951253H
• Substitutable numbers: 431951253H, 431 951 253 H, 0332019156, 0 332 019 156
• Category: Relays

Purpose and function of the relay

The presented 12V 4-pin relay is used in selected Audi models, such as the TT 8N, A4 generations B5 and B6, A6 C5, or A8 D2, where it is responsible for the reliable switching of electrical circuits. Thanks to its OEM design, it works with the factory wiring harness, maintaining compatibility with the vehicle's electrical system parameters.

Components of this type are used, among others, in circuits requiring:

• stable switching at 12V power supply,
• appropriate contact load capacity,
• precise control by the vehicle's electronic modules.

Construction and technical features

The relay has four pins, allowing for a classic circuit control configuration in automotive installations. The housing is adapted for mounting in a factory socket, and the contact layout corresponds to the solutions used by the vehicle manufacturer. This ensures proper connection geometry and correct current flow within the system.

As an OEM component from the Relays group, it has been designed to operate in conditions typical for the engine compartment or the vehicle interior, taking into account temperature changes, vibrations, and electrical loads characteristic of Audi vehicles.

Product condition and benefits of choosing used OEM

The offered relay is in used condition, meaning it has been removed from a vehicle but retains the functionality required for further operation. In practice, this means the possibility of an economical repair of the electrical system while maintaining the manufacturer's original specifications.

Choosing a used OEM component is particularly beneficial when you want to:

• maintain the factory operating characteristics of the system,
• reduce repair costs while maintaining quality,
• ensure a perfect fit for the electrical system of a specific Audi model.

If you want to better understand the differences between new and used components, a practical comparison of costs and quality can be found in the article: New or used? A comparison of costs and quality of car parts.

Selection and compatibility in Audi vehicles

To correctly select this relay for your car, it is worth verifying compatibility with the vehicle's service documentation or the existing component installed in the car. The product has an OEM part number and interchangeable numbers, which facilitates identification and matching to a specific equipment version.

In practice, when replacing a relay in an Audi TT 8N, A4 B5/B6, A6 C5, or A8 D2, it is crucial to maintain structural and electrical compatibility to avoid problems with the operation of systems controlled by this component. Using an original relay from the same design group minimizes the risk of improper system operation.

System expansion and other Audi relays

If you are planning a comprehensive repair or upgrade of the electrical system area in your Audi and need other components from the same group, such as additional control relays, switching modules, or auxiliary elements, check the available parts in the Audi Relays category.

Summary

Audi TT 8N A4 B5 A6 C5 A8 D2 Relay Control Unit Module 12V 4 Pins is a used, original component from the relay group, designed for use in the electrical systems of Audi vehicles. It ensures proper circuit switching at 12V, maintaining compatibility with the factory wiring and control system parameters. It is a practical solution for users who want to restore the correct operation of electrical systems using a component consistent with the manufacturer's specifications.