Audi A1 8X 2.0 TDI CFHD Manual Gearbox 6 Speed NKL 0A8300044B WARRANTY

Listing details

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

Audi A1 8X 2.0 TDI CFHD Manual Gearbox 6 Speed NKL is a factory-made, precision mechanical transmission designed for the 2.0 TDI diesel unit. This used gearbox from this series ensures consistent torque transfer, high operating culture, and predictable drivetrain behavior in daily use. It is a solution for drivers who expect a technically matched component rather than universal replacements.

Specifications and technical data

• SKU: 0A8300044B
• Mark: Audi
• Condition: Used
• OEM Part Number: 0A8300044B
• Substitutable numbers: 0A8300044B, 0A8 300 044 B, 0A8300044BX, 0A8 300 044 BX
• Fuel type: Diesel
• Gearbox type: Manual
• Category: Manual Transmission

Technical characteristics of the gearbox

The presented gearbox belongs to the Manual gearboxes group and has been designed to work with a diesel engine, which means the gear ratios are adapted to the characteristics of a Diesel unit. Manual control allows the driver direct control over gear changes, which promotes predictable dynamics and efficient use of the available torque.

The six-speed configuration enables optimal gear spacing – lower gears support starting and city driving, while higher gears allow for maintaining stable RPMs at highway speeds. Thanks to this, the gearbox performs well both in daily commuting and on longer routes, where stability and fuel economy are key.

Purpose and compatibility

The gearbox was developed for the Audi A1 8X generation model with the 2.0 TDI engine (code CFHD), which translates into a structural fit for this car's drivetrain. Using an original manual transmission reduces the risk of problems with installation, mounting geometry, or compatibility with engine accessories and the drivetrain system.

In practice, this means that with proper verification of compatibility regarding the body version and drivetrain configuration, the gearbox can be used as a replacement part in the process of repairing or rebuilding the drivetrain. An additional advantage is the presence of dedicated part numbers and interchangeable numbers in the specification, which facilitates matching to a specific vehicle configuration.

Application in a Diesel drivetrain

The transmission has been prepared to work with a diesel-powered unit, which is important for durability and operating characteristics. Diesel engines generate high torque at relatively low RPMs, which is why the gearbox construction is designed with such loads in mind. Properly selected gear ratios help maintain stable RPMs, which promotes calm, predictable driving and reduced fuel consumption.

The manual type of gearbox allows the driver to better control the RPM range, which is especially important when driving with a load, on longer routes, or in urban conditions where frequent gear changes are standard. For many users, it also provides a more direct and intuitive connection with the car.

Benefits of choosing a used manual gearbox

Choosing a used gearbox for the Audi A1 8X 2.0 TDI is often a cost-effective solution while maintaining factory construction and fitment. The original manual transmission from this series ensures:

• preservation of the factory vehicle handling characteristics,
• consistency of operation with the diesel unit,
• possibility of using the existing mounting infrastructure in the car,
• reduction of the risk of compatibility issues with electronics and accessories.

Before purchasing, it is worth familiarizing yourself with the principles of selecting and assessing the condition of such components – practical tips can be found in the article Used gearbox – when is it worth it and what you need to remember, which discusses, among other things, the differences between manual and automatic gearboxes and the cost-effectiveness of regeneration.

Support for selection and drivetrain expansion

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 housings, gears, or additional control components, check the available parts in the Audi manual gearboxes category.

For drivers who are simultaneously considering replacing the engine unit, a guide dedicated to purchasing used engines may also be helpful – practical tips can be found in the material How to buy a used car engine and not get scammed – a step-by-step guide, which will allow you to better plan a wider range of service work.