Audi TT 8J A1 S1 8X A3 8P VW Jetta A6 Alternator Generator 140A 14V 06F903023F

Audi TT 8J A1 S1 8X A3 8P VW Jetta A6 Alternator Generator 140A 14V is a used component from the Alternators and generators category, designed for Volkswagen vehicles and selected Audi models. It is a solution for users looking for a proven, original component with stable electrical parameters, suitable for diesel engines.

Specifications and technical data

• SKU: 06F903023F-2
• Mark: Volkswagen
• Condition: Used
• OEM Part Number: 06F903023F
• Substitutable numbers: 06F903023F, 06F 903 023 F, 0124525091, 0 124 525 091
• Fuel type: Diesel
• Rim width: 8
• Category: Alternators & Generators

Application and technical specifications

The presented alternator is designed to work with diesel-powered engines, ensuring adequate charging efficiency for the onboard electrical system at a nominal voltage of 14 V. High current output allows for stable operation of electrical systems, such as engine control units, comfort systems, or additional equipment.

The alternator belongs to the Alternators and generators group, which means it is structurally adapted for continuous operation under variable load conditions typical of modern cars with extensive electronics.

Compatibility and part identification

The model described as Audi TT 8J A1 S1 8X A3 8P VW Jetta A6 Alternator Generator 140A 14V is intended for specific Audi and Volkswagen versions that factory-use an alternator with similar electrical parameters. The presence of the OEM part number and interchangeable numbers in the technical specification facilitates clear identification and comparison with the currently installed component.

Before purchasing, it is worth comparing the markings visible on the alternator housing in the vehicle with the data in the specification section to confirm full structural and electrical compatibility. This minimizes the risk of installation problems and improper interaction with the vehicle's electrical system.

Condition, purpose, and benefits of installation

The offered alternator is a used item, making it a reasonable choice for maintenance repairs where an optimal cost-to-functionality ratio is a priority. This type of component will work well both as a replacement for a damaged alternator and as a part installed during major service work within the engine accessory drive.

Key advantages include:

• Appropriately selected current efficiency for the vehicle's modern electrical systems.
• Adaptation to diesel engines, which promotes stable operation under typical diesel load conditions.
• The ability to use existing mounting points and electrical connections if the identification numbers match.

Installation and operational tips

When replacing the alternator, it is recommended to check the condition of the drive belt, tensioner, and electrical connectors to ensure the charging system works correctly after installation. Proper tightening of the mounts and correct connection of the wires have a direct impact on the durability of the component and the voltage stability in the system.

Due to the nature of the alternator's operation in a diesel engine, it is worth verifying the charging parameters after installation using a meter or diagnostic tester to confirm that the system is operating within the assumed voltage and current range.

If you are planning a comprehensive repair or upgrade of the engine area in your Volkswagen and need other items from the same group, such as different types of alternators, generators, or related mounts, check the available parts in the Volkswagen alternators and generators category.

For drivers interested in a broader context of selecting components with increased parameters and the use of used parts in premium-class cars, an article describing the differences between sports and standard BMW components may be helpful, available here: BMW M Performance: what is the difference between BMW M components and standard ones?.