Audi S3 8V VW Golf Mk7 R 2.0 TFSI Quattro Complete Engine CJXC 49k, WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

The warranty covers the engine itself; engine accessories are covered by a 30-day warranty.

The power unit was tested before removal and is in full working order.

Listing details

The offer applies to a complete engine.

The engine comes from a right-hand drive (RHD) vehicle. The wiring harness is not compatible with left-hand drive (LHD) vehicles and requires replacement or modification.

Audi S3 8V VW Golf Mk7 R 2.0 TFSI Quattro Complete Engine CJXC 49k, WARRANTY is a factory VAG group powertrain designed for high-performance all-wheel-drive models. This used, complete TFSI petrol engine features a modern design, compact construction, and high operating refinement. It is the ideal solution for drivers who expect a proven powertrain rather than costly overhauls or unreliable replacements.

Specifications and technical data

• SKU: 06K100034J-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 06K100034J
• Substitutable numbers: 06K100034J, 06K 100 034 J, 06K100034JX, 06K 100 034 JX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CJXC
• Mileage: 49 000

Technical characteristics of the CJXC unit

The engine with the CJXC code belongs to the modern family of TFSI petrol units used in Audi and VW sports models. The four-cylinder layout provides an optimal balance between weight, performance, and economy, while the use of turbocharging (typical for this family) allows for dynamic characteristics while maintaining reasonable fuel consumption.

The unit was designed to work with the Quattro all-wheel-drive system and advanced electronic control systems, which translates into precise torque management and stable operating parameters across a wide range of loads. This type of petrol engine performs well both in daily use and in more demanding dynamic driving conditions.

Application in Audi S3 8V and VW Golf Mk7 R

The presented complete engine is intended for installation in high-performance Audi S3 8V and VW Golf Mk7 R models with all-wheel drive. The unit's construction was developed with high load capacity in mind, typical for cars with increased power and dynamic handling characteristics.

In practice, this means:

• design optimized for integration with advanced drivetrain systems,
• adequate durability reserves for thermal and mechanical loads,
• suitability for vehicles used both on the road and in more intensive operating conditions.

As a result, the TFSI family engine is often chosen as a base for professional repairs, engine replacements after failure, or modernization projects within the same platform.

Condition, mileage, and benefits of purchasing a used engine

The unit comes from the Engines category and is offered as a used component, which significantly reduces repair costs compared to purchasing a new powertrain. The declared engine mileage is crucial information when assessing the potential for further operation – in this case, we are dealing with a unit with relatively low wear compared to the typical mileage of cars in this class.

Purchasing a complete petrol engine from this series is a particularly beneficial solution when:

• the existing unit has suffered a major mechanical or thermal failure,
• the cost of a comprehensive overhaul exceeds the value of a used powertrain,
• repair time is a priority – replacing a complete unit is usually faster than a step-by-step rebuild.

For workshops and private users, this means the ability to restore full vehicle functionality while maintaining a reasonable service budget.

Selection and compatibility verification

To correctly match this engine to a specific Audi or VW vehicle, it is essential to compare the engine code and the vehicle's installation parameters. In practice, this means checking the compatibility of the engine code, fuel type, and accessory configuration with the factory specifications of the given car.

During the selection process, it is worth paying attention to:

• compatibility of the engine code with the vehicle documentation,
• fuel type and number of cylinders,
• intended use for all-wheel-drive versions.

This approach minimizes the risk of installation issues and ensures full functionality of systems integrated with the powertrain, including control, drivetrain, and safety systems.

Audi engines – expansion and modernization of the powertrain area

If you are planning a comprehensive repair or modernization of the engine area in your Audi and need other components from the same group, such as blocks, cylinder heads, or complete powertrains, check the available parts in the Audi Engines category.

Technical knowledge and additional materials

When planning a powertrain replacement, it is worth knowing the typical design issues of modern engines to better assess the cost-effectiveness of the repair and choose the right service strategy. For example, in popular models from other brands – such as the BMW 3 Series – some units are known for increased failure rates and high maintenance costs. You can find more on this topic in the article Faulty BMW E90 engines: check what can ruin your budget!, which helps you understand what to look for when choosing a used engine and how to avoid the most expensive service mistakes.