Audi A3 8V 1.6 TDI CXXB Manual Gearbox 6 Speed RSK 02S300051R WARRANTY

Audi A3 8V 1.6 TDI CXXB Manual Gearbox 6 Speed RSK is a factory-original, used gearbox from the Manual gearboxes group, designed for 1.6 TDI diesel units. This is a solution for users looking for an original, structurally matched component instead of unreliable replacements. Thanks to its manual, 6-speed configuration, it ensures precise gear ratios and predictable drivetrain performance.

Specifications and technical data

• SKU: 02S300051R
• Mark: Audi
• Condition: Used
• OEM Part Number: 02S300051R
• Substitutable numbers: 02S300051R, 02S 300 051 R
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and technical specifications

The presented gearbox has been designed to work with the diesel engine in the Audi A3 8V generation with the CXXB unit, which guarantees structural compatibility with the factory drivetrain. The manual 6-speed transmission allows for optimal gear spacing, which translates into efficient acceleration, stable operation at highway speeds, and the ability to maintain low RPMs during economical driving.

Manual gear shifting gives the driver full control over the drivetrain's operation, and the use of a dedicated gearbox for a specific diesel engine configuration reduces the risk of mechanical and electronic compatibility issues compared to random replacements.

Benefits of using an original used gearbox

Choosing an original, used manual gearbox for the Audi A3 8V is a solution that often allows for balancing reasonable costs with maintaining factory performance parameters. This type of transmission retains its original shifting characteristics, which is particularly important for precisely tuned diesel units. For workshops and users, this means fewer surprises during installation and predictable vehicle behavior after the repair.

The original design from the Manual gearboxes group is engineered for durability and consistent parameters, which in practice facilitates diagnostics, service, and subsequent operation. A used component of this type can be an attractive alternative to costly remanufacturing, especially when the time to get the car back on the road is a priority.

Application in service practice

The Audi A3 8V 1.6 TDI CXXB manual 6-speed gearbox is suitable both for standard replacement of a damaged transmission and for repairs resulting from typical manual gearbox failures, such as selector issues, bearing noise, or gear popping. Because it is a complete, factory unit, the workshop can focus on proper installation and setup of the accessories, without the need for time-consuming internal transmission rebuilding.

For the user, this means a faster return of the vehicle to the road and the preservation of the known, predictable character of the drivetrain. The manual design also facilitates subsequent service, such as oil changes or leak checks, which is important for long-term operation of a diesel-powered car.

Technical support and selecting the right gearbox

When selecting a manual transmission for a specific version of the Audi A3 8V, it is crucial to match it to the engine type, fuel type, and drivetrain configuration. A properly selected gearbox minimizes the risk of installation problems, differences in gear ratios, or improper drivetrain operation. To better understand when replacing with an original used gearbox is more beneficial than remanufacturing, it is worth checking out our guide: Manual gearbox failures – why an original used transmission often beats remanufacturing.

Expanding repairs within the drivetrain system

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 other manual transmissions, housings, or components cooperating with the selector, check out the available parts in the Audi manual gearboxes category.