Audi Q3 8U Petrol Alternator Generator 14V 140A 06J903023B

Audi Q3 8U Petrol Alternator Generator 14V 140A is a component from the Alternators and generators group, designed for electrical systems in Audi vehicles with petrol engines. It is responsible for providing a stable 14V power supply and charging the battery under loads typical for modern onboard systems.

Specifications and technical data

• SKU: 06J903023B
• Mark: Audi
• Condition: Used
• OEM Part Number: 06J903023B
• Substitutable numbers: 06J903023B, 06J 903 023 B, 2715993A
• Fuel type: Petrol
• Rim width: 6
• Category: Alternators & Generators

Purpose and operating parameters

The alternator has been designed to work with petrol-powered engines, ensuring proper matching of charging characteristics to the specific operation of such an engine. The 14V rated voltage and 140A charging current allow for the support of an extensive electrical system, including controllers, lighting, comfort systems, and additional equipment.

The high current efficiency of the alternator is particularly important in vehicles equipped with numerous energy consumers, where stable battery charging translates into reliable starting and correct operation of onboard electronics.

Construction and technical fitment

The alternator belongs to the Alternators and generators category, which means it features a design adapted for continuous operation under varying load and temperature conditions. The applied design solutions enable efficient heat dissipation and the maintenance of stable charging parameters across the full range of engine speeds.

The component is intended for installation in Audi vehicles, which facilitates integration with factory engine accessories, the belt drive system, and the electrical installation. As a result, the alternator can be incorporated into the existing system without the need for modifications to wiring harnesses or mounts.

Condition, application, and benefits of installation

The product is offered in Used condition, meaning it comes from a previously operated vehicle and is intended for users looking for an economical solution while maintaining original specifications. This type of alternator is suitable both for standard replacement of a worn component and for repairs of the charging system in fleet vehicles.

The main advantages of using this model in the Audi Q3 8U include:

• maintaining compatibility with the vehicle's factory electrical system,
• adequate current efficiency for modern comfort and safety systems,
• the ability to optimize repair costs while maintaining proper charging system operating parameters.

Integration with the vehicle system

The alternator works with the vehicle's powertrain based on a petrol engine, ensuring proper matching of charging characteristics to the engine's duty cycle. A stable 14V voltage is crucial for the correct operation of controllers, sensors, and other onboard electronic components.

Combined with a properly selected battery, the alternator creates a coherent power supply system that reduces the risk of voltage drops, starting problems, or errors in the operation of control modules.

Expanding the Audi charging system

If you are planning a comprehensive repair or upgrade of the charging system area in your Audi and need other components from the same group, such as additional generators, alternators with different capacities, or compatible belt drive components, check the available parts in the Audi alternators and generators category.

If you are also interested in improving the ergonomics of the driver's area and are considering installing a more advanced steering wheel, you will find useful information in the article Personalization and ergonomics – when is it worth replacing the steering wheel with a premium model?, which discusses the practical aspects of replacing it with sports and premium models.