Audi A3 8P Seat Leon II 1.4 TSI CAXC Manual Gearbox LNY 0AJ300041J 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 8P Seat Leon II 1.4 TSI CAXC Manual Gearbox LNY is an original, used gearbox from the Manual gearboxes category, designed for use with petrol engines. The manual design ensures direct, precise control of the drive, which translates into predictable vehicle behavior and stable performance. This is a solution for users who expect proven, factory-standard gear geometry and compatibility with the 1.4 TSI CAXC drivetrain.

Specifications and technical data

• SKU: 0AJ300041J
• Mark: Audi
• Condition: Used
• OEM Part Number: 0AJ300041J
• Substitutable numbers: 0AJ300041J, 0AJ 300 041 J, 0AJ300041JX, 0AJ 300 041 JX
• Fuel type: Petrol
• Gearbox type: Manual
• Category: Manual Transmission

Purpose and compatibility

The presented gearbox has been designed for vehicles with the 1.4 TSI CAXC petrol engine, used in models such as the Audi A3 8P and Seat Leon II. The manual transmission design is optimized for the torque characteristics of this unit, allowing for smooth acceleration, predictable throttle response, and comfortable driving in both city traffic and on the highway.

Thanks to its factory origin, the gearbox maintains correct mounting points, compatibility with standard equipment, and appropriate gear ratios for the given drivetrain. This is particularly important for post-accident repairs, replacements after a failure, or restoring a car to its original manufacturer specifications.

Construction and operating characteristics

The manual transmission design provides the driver with direct control over gear selection, which is valued both in daily use and during dynamic driving. Tuning the gear ratios for a petrol engine allows the unit to stay in the optimal RPM range, reducing unnecessary strain and supporting an economical driving style.

In practice, this means:

• consistent gear matching to the characteristics of the 1.4 TSI CAXC,
• stable torque transfer to the wheels,
• predictable vehicle behavior when starting, overtaking, and engine braking.

For a workshop, installing such a gearbox means the ability to use a component with a known, factory design, without the need to adapt non-standard solutions.

Condition, origin, and benefits of choosing a used gearbox

The gearbox comes from the used parts segment, which allows for a significant reduction in repair costs compared to new components, while maintaining factory specifications. For many users, this is a reasonable compromise between budget and preserving the original characteristics of the vehicle.

Choosing a used manual gearbox for a petrol engine brings a number of practical benefits:

• preservation of the original design and mounting points,
• no need to modify the installation for a different type of gearbox,
• faster repair completion thanks to the availability of the OEM standard component.

If you want to better understand how to safely select used transmissions and what the real cost differences are compared to new parts, it is worth checking out our expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses, among other things, selection by OEM numbers and practical examples from workshops.

Selection and application in service practice

When selecting this gearbox, it is crucial to verify compatibility with the specific petrol engine version and the vehicle's drivetrain configuration. It is recommended to compare data with the car's documentation and use the manufacturer's markings to confirm compatibility. This approach minimizes the risk of installation problems and ensures proper cooperation with existing equipment.

In workshop practice, using a manual gearbox matched to the 1.4 TSI CAXC unit allows for:

• shorter repair time thanks to compatibility with factory solutions,
• maintaining predictable driving parameters after replacement,
• maintaining the consistency of the drivetrain with the manufacturer's assumptions.

Expanding repairs within the drivetrain

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 additional transmissions, compatible housings, or other variants of manual gearboxes, check out the available parts in the Audi manual gearboxes category.