Audi A5 8T A4 B8 Engine Alternator Generator 2.0 TFSI Petrol Engine 06H903017T

Audi A5 8T A4 B8 Engine Alternator Generator 2.0 TFSI Petrol Engine is an original charging system component designed for TFSI petrol units in Audi A4 B8 and A5 8T models. As part of the Alternators and generators group, it ensures a stable power supply for electrical consumers and proper battery charging during daily operation. This is a solution for users who expect a proven, factory-spec design tailored to the specifics of Audi petrol engines.

Specifications and technical data

• SKU: 06H903017T
• Mark: Audi
• Condition: Used
• OEM Part Number: 06H903017T
• Substitutable numbers: 06H903017T, 06H 903 017 T, 0125711090, 0 125 711 090
• Fuel type: Petrol
• Category: Alternators & Generators

Purpose and compatibility with the 2.0 TFSI unit

The presented alternator is designed to work with the 2.0 TFSI petrol engine, where maintaining stable electrical parameters under variable loads is crucial. The design, adapted to the characteristics of the TFSI unit, allows for efficient battery charging both in city traffic and at higher engine speeds. As a result, the ignition system, control units, and comfort equipment maintain proper power supply throughout the entire engine operating range.

Construction and operating parameters of the alternator

The alternator belongs to a group of specialized power generators designed for Audi vehicles, with a construction optimized for durability and voltage stability. The integrated voltage regulator maintains the appropriate battery charging level, reducing the risk of voltage drops when a large number of consumers are active. The excitation system and diode rectifier bridge are selected to ensure consistent operating parameters under typical road conditions.

In practice, this translates into:

• reliable starting of the petrol engine at various ambient temperatures,
• stable power supply for electronic and multimedia systems,
• increased resistance to temporary electrical system overloads.

Benefits of using an original Audi generator

Choosing an original generator for the Audi A4 B8 and A5 8T allows you to maintain the factory charging system parameters, which is especially important in modern vehicles with extensive electronics. Precise fitment for the petrol unit reduces the risk of improper interaction with control modules and safety systems. Additionally, using an alternator from the same design group as the factory component facilitates installation and shortens potential service time.

The main advantages include:

• maintaining compatibility with factory engine control unit settings,
• appropriate charging characteristics for batteries used in Audi vehicles,
• reduction of the risk of interference in the electrical system's operation.

Condition, origin, and service application

The offered alternator is a used component, making it an attractive solution for maintenance repairs and restoring the efficiency of the charging system in vehicles with high mileage. For workshops and individual users, this means the possibility of an economical generator replacement while maintaining a design consistent with Audi solutions. The product is suitable both for a typical replacement of a worn-out alternator and for comprehensive engine area maintenance in vehicles with a petrol unit.

Selection by numbers and technical support

The alternator has an OEM part number and associated interchangeable numbers, which facilitates precise identification and selection of the correct component for a specific Audi A4 B8 or A5 8T configuration. When matching, it is recommended to verify compatibility with vehicle documentation or via the VIN number to ensure full compatibility with the specific petrol engine version. This approach minimizes the risk of installing the wrong generator and helps maintain the integrity of the entire powertrain.

For users interested in a broader context of selecting original Audi components and the specifics of power units, an article describing engine characteristics and the principles of selecting parts by VIN may be helpful – you can find it here: Audi five-cylinder engine – a legend and selecting original Audi parts.

If you are planning a comprehensive repair or upgrade of the engine area in your Audi and need other components from the same group, such as different types of generators, alternators with different parameters, or related mounting elements, check out the available parts in the Audi alternators and generators category.