Audi S8 D3 5.2 FSI V10 BSM Quattro Automatic Gearbox KZK 09E300039PX 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 KZK 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. Thanks to a design tailored to the high torque of the FSI engine and advanced control systems, the gearbox provides smooth, dynamic, and predictable gear shifts while maintaining the character of a premium vehicle. This is the ideal solution for users who expect to preserve the original driving characteristics of the powertrain and ensure seamless compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: 09E300039PX
• Mark: Audi
• Condition: Used
• OEM Part Number: 09E300039PX
• Substitutable numbers: 09E300039PX, 09E 300 039 PX
• Fuel type: Petrol
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Purpose and powertrain compatibility

The described automatic transmission was designed to work with the FSI V10 petrol engine in the Audi S8 D3 generation, equipped with quattro all-wheel drive. This means the transmission is structurally prepared to handle the high loads typical of large-displacement, high-power engines, while maintaining appropriate refinement in daily operation.

Thanks to its factory origin from the Audi brand, full compatibility with the vehicle's architecture is maintained – from the mechanical connection to the engine and driveshaft, to integration with control systems and safety features. This is particularly important in advanced S-class sedans, where the powertrain works in conjunction with complex electronics responsible for traction, comfort, and safety.

Automatic transmission operating characteristics

The automatic transmission in the Audi S8 D3 was engineered to combine dynamic acceleration with long-distance driving comfort. The type of automatic used enables:

• smooth gear changes during relaxed driving,
• efficient downshifts during rapid acceleration,
• stable torque transfer across the full engine RPM range,
• proper cooperation with the quattro drive system in various road conditions.

Appropriately selected gear ratios allow the V10 engine's potential to be utilized both in relaxed highway cruising and during dynamic acceleration. The automatic control of the gearbox works in tandem with the vehicle's systems, resulting in predictable throttle response and stable vehicle behavior.

Benefits of using an original Audi automatic transmission

Using an original transmission from the Automatic gearboxes category in an Audi S8 D3 brings a number of practical technical benefits:

• preservation of the factory powertrain operating characteristics,
• guaranteed fitment for the FSI V10 petrol engine and quattro drive,
• proper cooperation with factory controllers and vehicle software,
• reduction of compatibility issues typical of aftermarket replacements of uncertain origin.

For users who want to restore full powertrain efficiency after a transmission failure or are planning a professional drivetrain repair, choosing such a gearbox is a solution consistent with the manufacturer's specifications. A used OEM component also allows for cost optimization compared to brand-new parts.

Selection by part numbers and installation aspects

When selecting an automatic transmission for an Audi S8 D3, it is crucial to verify compatibility using the OEM part number and interchangeable numbers, as well as checking the vehicle configuration (engine type, drive type, model year). Proper transmission matching minimizes the risk of mechanical installation issues and integration problems with the vehicle's electronics.

Due to the complexity of the powertrain in the Audi S8 D3, installation in a specialized service center with experience in this brand's automatic transmissions is recommended. Professional installation includes, among other things, correct filling and bleeding of the system, leak testing, transmission adaptation in the controller, and verification of proper operation during a test drive.

Technical support and additional information

If you are planning a comprehensive repair or upgrade of your Audi's powertrain and need other components from the same group, such as a torque converter, control elements, or other transmission parts, check the available parts in the Audi automatic transmissions category.

To better understand how to safely choose used transmissions and what to look for when verifying OEM numbers and component history, it is worth reading our expert guide: Why it is worth buying used gearboxes and engines – facts instead of myths. There, you will find practical tips on selecting by part numbers, cost-benefit analysis, and the most common myths associated with used powertrain components.