Audi S8 D3 5.2 FSI V10 BSM Quattro Automatic Gearbox KLW 09E300039GX WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Audi S8 D3 5.2 FSI V10 BSM Quattro Automatic Gearbox KLW is a factory-original, used automatic transmission designed for the V10 petrol engine in the Audi S8 D3 sports sedan with quattro all-wheel drive. This solution is engineered for smooth drivetrain operation, high-quality gear shifting, and stable torque transfer under demanding operating conditions. By maintaining the original specifications, the gearbox serves as a solid foundation for professional repair or a complete drivetrain replacement.

Specifications and technical data

• SKU: 09E300039GX
• Mark: Audi
• Condition: Used
• OEM Part Number: 09E300039GX
• Substitutable numbers: 09E300039GX, 09E 300 039 GX
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and compatibility

The presented gearbox belongs to the Automatic transmissions category and has been designed to work with the 5.2 FSI V10 petrol engine in the Audi S8 D3 generation model with all-wheel drive. The automatic design ensures comfortable, predictable operation in city traffic and at higher speeds, while simultaneously allowing the full potential of the V10 unit to be utilized in more dynamic driving modes. Its original Audi origin ensures proper fitment with factory mounting points and the vehicle's stock electronics.

Technical and functional characteristics

The gearbox in this configuration has been developed for use with a petrol engine, which translates into appropriately selected gear ratios and automatic operation logic. The control system is optimized for high RPMs and the characteristics of the FSI V10 unit, ensuring:

• smooth, predictable gear shifts in comfort mode,
• efficient downshifts during overtaking and dynamic driving,
• stable power transfer to the quattro system,
• preservation of factory drivetrain performance parameters.

Thanks to the automatic design, the driver enjoys ease of operation while maintaining the ability to utilize the engine's potential across a wide speed range, which is particularly important in a heavy, powerful S-class sedan like the S8.

Condition, origin, and service application

This component comes from the used Audi parts segment, which allows for an economical yet technically sound repair of the drivetrain compared to purchasing a new transmission. This type of gearbox is particularly useful in situations where the existing automatic transmission has suffered a major mechanical or hydraulic failure, and regeneration is not cost-effective or would require replacing most key components.

Choosing a complete, original automatic gearbox for the Audi S8 D3 helps reduce vehicle downtime, simplifies the installation process, and maintains consistency with the factory drivetrain configuration. This solution is recommended for both specialized workshops and informed users looking for parts with known origins.

Benefits of installing an original Audi automatic gearbox

Using this transmission in an Audi S8 D3 5.2 FSI V10 BSM Quattro provides a number of practical benefits:

• Factory fitment – the original Audi design minimizes the risk of problems with installation and integration with the vehicle's electronics.
• Consistent operating characteristics – the automatic transmission was developed for a specific V10 petrol engine, which promotes harmonious cooperation of the entire drivetrain.
• Service cost-effectiveness – a used automatic gearbox allows for a significant reduction in repair costs compared to purchasing a new unit.
• Professional regeneration potential – for demanding users, the gearbox can serve as a base for further, in-depth service maintenance.

Expert support and selecting the right gearbox

When selecting an automatic gearbox for the Audi S8 D3, it is crucial to verify compatibility with the specific engine version and drivetrain configuration. It is worth paying attention to the fuel type, transmission type, and design details to avoid problems with installation and subsequent operation. For users who want to better understand the differences between individual types of transmissions and make an informed decision about purchasing a used automatic, the following guide will be helpful: Transmission: manual, automatic, or DSG – common failures and a guide to buying a used gearbox.

If you are planning a comprehensive repair or upgrade of your drivetrain and need other components from the same group, such as automatic transmissions, control elements, or related mounting parts, check the available parts in the Audi automatic transmissions category.