Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi 059903018R

Audi A6 C7 3.0 TDI CLAA Alternator Generator Engine Unit Hitachi is an original charging system component from the Alternators and generators group, designed for diesel engines. It ensures a stable power supply for the vehicle's electrical system and proper battery charging under the demanding operating conditions of a diesel unit.

Specifications and technical data

• SKU: 059903018R-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 059903018R
• Substitutable numbers: 059903018R, 059 903 018 R
• Fuel type: Diesel
• Category: Alternators & Generators

Purpose and operating parameters

The presented alternator has been designed to work with the 3.0 TDI CLAA unit in the Audi A6 C7 model, powered by Diesel fuel. The 14 V rated voltage and 180 A current output allow for the safe operation of an extensive electrical system, including comfort systems, lighting, onboard electronics, and additional equipment.

The design solution implemented by the manufacturer, Hitachi, provides an adequate power reserve at varying engine speeds, which limits voltage drops and supports the stable operation of controllers and sensors in modern Audi systems.

Construction and Hitachi technology

The alternator utilizes proven technology from the manufacturer Hitachi, known for its durability and repeatable electrical parameters. The rotor and stator design, combined with a properly selected voltage regulator, enables efficient battery charging both in city traffic and during highway driving.

The housing and cooling system are adapted for operation in the engine compartment of the 3.0 TDI unit, where elevated temperatures and mechanical loads occur. As a result, the alternator maintains stable parameters over a long service life while preserving proper energy efficiency.

Benefits of using an original Audi alternator

Using an original alternator from the Audi group ensures:

• proper fitment to the mounts and accessories in the A6 C7 3.0 TDI CLAA engine compartment,
• compliance with factory charging system parameters,
• stable supply voltage for sensitive onboard electronics,
• reduction of the risk of controller errors resulting from improper charging.

Consequently, the alternator serves as a functional service solution for users expecting to maintain the factory performance characteristics of the electrical system without the need for aftermarket replacements with uncertain parameters.

Condition, verification, and service application

The item is offered as used, which allows for an economical repair of the charging system while maintaining the manufacturer's original specifications. Before installation, a standard inspection of the vehicle's electrical system is recommended, including the condition of ground cables, connections, and the battery, to ensure proper operating conditions for the alternator.

Thanks to the preservation of factory geometry and mounting points, the alternator can be used as a direct replacement for a damaged unit in the Audi A6 C7 3.0 TDI CLAA, without the need for installation modifications or additional mechanical adjustments.

Part selection and additional information

In the process of selecting an alternator, the manufacturer's markings and the OEM part number are helpful, as well as available interchangeable numbers, which allow for verifying compatibility with your specific vehicle. It is also worth paying attention to compatibility with the fuel type, marked in the specification as Diesel, to avoid installing a component intended for a different engine configuration.

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 alternator housings, pulleys, or mounts, check the available parts in the Audi Alternators and generators category.

For a broader perspective on the cost-effectiveness of using original used components instead of remanufacturing, it is worth reading the article: Manual transmission failures – why an original used part is sometimes a more sensible choice than remanufacturing, which discusses the practical aspects of operation and repair costs.