Audi A4 S4 8H A6 S6 4B Alternator Generator 14V 150A 2.0 Petrol BWE 06D903016

Audi A4 S4 8H A6 S6 4B Alternator Generator 14V 150A 2.0 Petrol BWE is an original component from the Alternators and generators group, designed for Audi petrol engines. It ensures a stable power supply for the vehicle's electrical system and proper battery charging under demanding operating conditions.

Specifications and technical data

• SKU: 06D903016
• Mark: Audi
• Condition: Used
• OEM Part Number: 06D903016
• Substitutable numbers: 06D903016, 06D 903 016
• Fuel type: Petrol
• Part type: Alternator
• Category: Alternators & Generators

Application and compatibility

The presented alternator is designed for 2.0 petrol BWE engine units in Audi A4, S4 (8H) and A6, S6 (4B) models. The operating parameters are adapted to the characteristics of petrol engines, which translates into stable voltage in the onboard electrical system and sufficient current reserve for comfort equipment and safety systems. Thanks to a design compliant with factory standards, the alternator works with original engine accessories, which facilitates installation and reduces the risk of fitment issues. This solution is particularly beneficial for professional repairs where repeatability and predictability of operating parameters are essential.

Operating parameters and technical characteristics

The alternator operates in a 14-volt system, ensuring efficient battery charging and power supply for electrical consumers under typical road conditions. High current efficiency allows for the safe operation of extensive equipment, such as multimedia systems, heating, lighting, or additional comfort modules. The current-voltage characteristic has been selected for petrol units, which promotes stable operation at variable engine speeds. The appropriate power reserve of the alternator reduces the risk of voltage drops, which is important for the durability of controllers and onboard electronics.

Condition, origin, and benefits of choosing a used part

The offered alternator is a used part, sourced from the dismantling of an Audi vehicle. Such components are frequently chosen by workshops and individual users as a reasonable compromise between repair costs and maintaining factory specifications. In practice, this means the ability to restore the full efficiency of the charging system while maintaining the original design and fitment. Choosing a used OEM alternator allows you to reduce the risks typical of cheap replacements with uncertain parameters. Compliance with factory mounts, pulley diameters, and operating characteristics is maintained, which facilitates installation and shortens vehicle downtime at the service center.

Why choose an original Audi alternator

Using original alternators in Audi vehicles translates into predictable behavior of the electrical system and a lower risk of secondary failures. Factory design ensures proper cooperation with the voltage regulator, engine controllers, and safety systems, which is especially important in more modern equipment versions.

• maintenance of parameters close to factory assembly,
• reliable fitment for the 2.0 petrol BWE unit,
• reduction of electronics compatibility issues,
• favorable cost-to-functionality ratio compared to new replacements.

Audi alternators and generators – expansion and modernization

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other elements from the same group, such as alternators with different capacities, generators for other engine versions, or compatible accessory components, check the available parts in the Audi alternators and generators category.

More about the advantages of used parts

When choosing a used alternator, it is worth paying attention to the general condition of the element and its origin. A well-chosen part from dismantling allows you to significantly reduce the cost of repair without sacrificing factory build quality. If you want to learn more about how to consciously choose used components and what to pay attention to during their installation, read the article Replacing body parts with used ones – can body parts from dismantling look like new?, which discusses the practical aspects of using second-hand parts.