AUDI S5 8T 4.2 V8 CAUA Quattro Automatic Gearbox KWR 0B6300035N WARRANTY

Listing details

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

AUDI S5 8T 4.2 V8 CAUA Quattro Automatic Gearbox is an original component from the Automatic transmissions group, designed to work with the V8 petrol engine and Quattro all-wheel drive. This is a solution for users who expect precise transmission operation, stable torque transfer, and the preservation of the factory driving characteristics of the sporty S5 model.

Specifications and technical data

• SKU: 0B6300035N
• Mark: Audi
• Condition: Used
• OEM Part Number: 0B6300035N
• Substitutable numbers: 0B6300035N, 0B6 300 035 N, 0B6300035NX, 0B6 300 035 NX
• Fuel type: Petrol
• Gearbox type: Automatic
• Category: Automatic Transmission

Purpose and technical specifications

The presented transmission belongs to the Audi automatic transmissions group and has been designed to work with the V8 petrol engine in the S5 8T model. The transmission design is adapted to the high loads typical of the 4.2 unit and the permanent Quattro all-wheel drive, which translates into stable acceleration and predictable vehicle behavior across the full speed range.

Automatic gear shifting ensures smooth power delivery, and the appropriately selected gear ratios support both dynamic driving and calm, economical travel. Using a transmission dedicated to a specific engine-drivetrain configuration reduces the risk of compatibility issues and facilitates the installation process.

Benefits of using an original Audi automatic transmission

Using an original automatic transmission in the S5 8T allows you to maintain the factory performance parameters of the drivetrain. Key advantages include:

• consistent cooperation with the 4.2 V8 CAUA petrol engine and Quattro drivetrain,
• gear ratios appropriately selected for the sporty character of the S5 model,
• preservation of the dynamics and operating culture intended by the manufacturer,
• reduced risk of malfunctions in the electronic systems controlling the drivetrain.

For the user, this means predictable vehicle behavior, proper throttle response, and stability during acceleration and downshifting, which is particularly important in a higher-power car.

Selection, compatibility, and installation aspects

To correctly select the transmission for a specific S5 8T unit, it is worth using the manufacturer's markings and vehicle data (e.g., engine code, drivetrain configuration). This facilitates verification of compliance with the factory specification and minimizes the risk of problems during the first start-up after installation.

When replacing an automatic transmission, it is recommended to:

• thoroughly check the compatibility of the transmission code with the car's configuration,
• verify the condition of associated equipment (e.g., mounting elements, lines, oil cooling),
• perform adaptation and service procedures in accordance with the vehicle manufacturer's guidelines.

This approach helps reduce the risk of additional costs and ensures stable transmission operation in the long term.

Condition, origin, and practical application

The offered automatic transmission comes from an Audi vehicle and is a used component, which provides an attractive cost alternative to new parts. For many S5 8T users, this is a rational way to restore the efficiency of the drivetrain while maintaining the original technical specification.

A used transmission of this type will work well both for a standard replacement of a damaged gearbox and for a comprehensive drivetrain rebuild after a failure. A properly selected component allows you to avoid compromises associated with adapting parts with characteristics other than those intended by the factory.

Technical support and related products

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

Before deciding to purchase a used transmission, it is worth familiarizing yourself with reliable information on the selection and operation of such components – you will find practical tips, a discussion of the most common myths, and a cost comparison in the article Why it is worth buying used gearboxes and engines – facts instead of myths.