Audi A6 C7 A7 4G 3.0 TDI CZVB Automatic Gearbox S-Tronic RLA 0CK300042J WARRANTY

Listing details

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

Audi A6 C7 A7 4G 3.0 TDI CZVB Automatic Gearbox S-Tronic RLA is a factory-fitted, dual-clutch automatic transmission designed for diesel units, specifically engineered for high-end Audi models. As a product in the Automatic gearboxes category, it ensures precise torque transfer and smooth, dynamic gear shifts. This is the ideal solution for users who expect consistency with the factory drivetrain configuration and wish to maintain the characteristic performance of Audi's S-Tronic transmissions.

Specifications and technical data

• SKU: 0CK300042J
• Mark: Audi
• Condition: Used
• OEM Part Number: 0CK300042J
• Substitutable numbers: 0CK300042J, 0CK 300 042 J, 0CK300043T, 0CK 300 043 T
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Automatic Transmission
• Category: Automatic Transmission

Purpose and compatibility with the 3.0 TDI unit

The described automatic transmission was built to work with the 3.0 TDI diesel engine with the CZVB code, used in the Audi A6 C7 and Audi A7 4G. The use of the S-Tronic transmission in this drivetrain allows for efficient utilization of the diesel engine's torque characteristics while maintaining the comfort typical of the premium segment.

The dual-clutch S-Tronic design enables fast gear changes with minimal power delivery interruptions, which translates into stable acceleration and predictable vehicle behavior both in city traffic and on the highway. For the user, this means a noticeably improved throttle response and a more direct connection to the drivetrain.

S-Tronic transmission performance characteristics

The S-Tronic automatic transmission in Audi combines the advantages of a classic automatic with the efficiency of a manual gearbox. The use of two clutches allows for the parallel preparation of the next gear, making gear changes fast and jerk-free. In practice, the driver receives:

• smooth acceleration without noticeable power delivery gaps,
• efficient downshifts when overtaking,
• stable drivetrain behavior at constant speeds,
• comfortable operation in fully automatic mode.

For many users, it is also important that the S-Tronic transmission was factory-tuned to a specific diesel engine configuration, which reduces the risk of unwanted vibrations or unpredictable gear shifts.

Benefits of choosing an original used transmission

In the event of a transmission failure in an Audi A6 C7 or A7 4G, choosing an original used S-Tronic gearbox is often a more predictable solution than expensive, extensive refurbishment. The factory design retains its original performance parameters, and the match to the specific drivetrain configuration minimizes issues with control or software compatibility.

If you are considering different repair scenarios, it is worth reading a broader discussion on the topic – including a comparison of costs and typical symptoms of transmission damage. You can find practical tips in the article Manual transmission failures in cars – why is an original used part a more sensible choice than regeneration?, which discusses the advantages of using original drivetrain components instead of regeneration interventions.

Application in the Audi drivetrain

In the Audi A6 C7 and A7 4G models, the S-Tronic transmission plays a key role in shaping the driving character – from starting off, through dynamic acceleration, to calm driving at a steady speed. Proper tuning with the diesel engine allows for maintaining optimal RPM, which favors both performance and the refinement of the powertrain unit.

A properly selected automatic transmission has a direct impact on:

• comfort of daily use in city traffic,
• stability at higher speeds,
• predictability of response to pressing the accelerator pedal,
• overall durability of the drivetrain with proper service maintenance.

Expansion and service of the Audi drivetrain zone

If you are planning a comprehensive repair or upgrade of the drivetrain zone in your Audi and need other components from the same group, such as converters, gearboxes, or complete control modules, check the available parts in the Audi automatic gearboxes category.