Audi A3 8V 1.6 TDI CXXB 7 Speed Automatic Gearbox RER 0CW300048J WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order. Audi A3 8V 1.6 TDI CXXB 7 Speed Automatic Gearbox RER is a factory-original, used automatic transmission from the Automatic gearboxes category, designed for use in Audi vehicles with the 1.6 TDI engine with the CXXB code. This is a solution for users who expect precise drivetrain performance while maintaining the original manufacturer specifications and compatibility with the vehicle's factory electronics.

Specifications and technical data

• SKU: 0CW300048J
• Mark: Audi
• Condition: Used
• OEM Part Number: 0CW300048J
• Substitutable numbers: 0CW300048J, 0CW 300 048 J
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Technical characteristics and intended use

The presented automatic transmission has been designed to work with the 1.6 TDI CXXB unit in the Audi A3 8V, ensuring consistency of operating parameters with the factory control software. The transmission design is optimized for smooth torque transfer, comfortable gear shifting, and stable operation under typical operating conditions for this model. The automatic transmission type allows for comfortable driving in both urban and extra-urban traffic, reducing driver fatigue and supporting even load distribution across the drivetrain. Using an original transmission from the same design family minimizes the risk of communication issues with control modules and vehicle safety systems.

Benefits of using an original automatic transmission

Choosing this transmission for the Audi A3 8V 1.6 TDI CXXB primarily ensures consistency with the vehicle's factory configuration. The original automatic transmission provides:

• maintenance of the gear shifting characteristics intended by the manufacturer,
• proper cooperation with the engine control system and onboard systems,
• appropriate mechanical fitment to the power unit and accessories,
• the ability to use the existing wiring harness and factory mounting points. For the user, this means reducing the risk of additional modifications, stable vehicle behavior in various driving modes, and easier diagnostics in the future. A used, original transmission from this series is often chosen as an economical alternative to new components while maintaining high functionality.

Selection and vehicle compatibility

To correctly select a transmission for a specific Audi A3 8V, it is crucial to verify compatibility with the 1.6 TDI CXXB engine and the vehicle's drivetrain configuration. It is recommended to compare vehicle data with service documentation and transmission markings, as well as to consult with a mechanic or technical advisor before installation. In practice, when replacing an automatic transmission, it is worth paying attention to:

• the condition of the transmission oil cooling system,
• the cleanliness of the oil system and the selection of the appropriate lubricant in accordance with the manufacturer's recommendations,
• proper bleeding and adaptation of the transmission after installation using an appropriate diagnostic tester. This approach helps to reduce the risk of improper transmission operation after installation and extend its further service life.

Product condition and practical application

The offered automatic transmission is a used item, which in practice means a favorable compromise between the purchase cost and the ability to restore full functionality to the drivetrain in an Audi A3 8V. This type of component is particularly recommended in situations where the existing transmission has suffered a major mechanical or electronic failure, and repair exceeds economic viability. Replacing it with an original, used transmission from the same design family allows for maintaining predictable vehicle behavior without the need for modifications to the installation or software. This solution is often chosen by workshops specializing in the Audi brand that rely on proven, factory components.

Technical support and additional resources

For users who want to better understand the differences between manual, automatic, and DSG transmissions, typical faults, and the principles of safely purchasing a used transmission, we have prepared a detailed guide: Transmission: manual, automatic, or DSG – typical faults and a guide to buying a used gearbox. This is a practical supplement to your knowledge before making a decision about replacing the transmission in your car. 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 automatic transmissions, control components, or related mounting parts, check out the available parts in the Audi automatic gearboxes category.