Audi A3 8P Seat Leon 1P 1.4 TFSI TSI Complete Engine CAXC 125HP 99k, 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 A3 8P Seat Leon 1P 1.4 TFSI TSI Complete Engine CAXC 125HP 99k, WARRANTY is a complete powertrain from the TFSI/TSI family, designed for VAG group vehicles, ideal for professional engine replacement in Audi A3 8P and Seat Leon 1P models. The four-cylinder petrol engine with the CAXC code provides modern performance characteristics, high refinement, and a proven design suitable for both city driving and highway travel.

Specifications and technical data

• SKU: 03C100092-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 03C100092
• Substitutable numbers: 03C100092, 03C 100 092, 03C100092X, 03C 100 092 X
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CAXC
• Mileage: 99 000

Purpose and compatibility

The offered complete engine is designed for use in popular compact segment models: Audi A3 8P and Seat Leon 1P with the 1.4 TFSI/TSI unit. By maintaining the factory powertrain architecture and compatibility with original mounting points, it serves as a practical solution for replacing a damaged engine in vehicles based on the same platform.

The unit belongs to the Engines category, which means it is a complete powertrain assembly, not a single component. The CAXC engine code allows for precise identification of the design version and facilitates the selection of accessories, the ECU, and other vehicle installation elements.

Technical characteristics of the CAXC unit

The CAXC engine is a modern petrol unit with direct fuel injection, developed to combine reasonable fuel consumption with dynamic performance. The four-cylinder layout ensures a good balance between operating refinement and ease of maintenance, which is important for both workshops and end users.

The unit is configured for 125 HP, which in practice translates into efficient acceleration in the low and mid-RPM range, as well as comfortable driving at highway speeds. The use of TFSI/TSI technology allows for effective use of turbocharging and fuel while maintaining appropriate flexibility in daily use.

Condition, mileage, and practical application

The engine comes from a used vehicle, which is significant from the perspective of repair economics – it allows for a significant reduction in the cost of replacing the powertrain compared to a brand-new unit. The declared mileage allows for an assessment of the wear level and planning of any necessary service activities during installation, such as replacing consumables or seals, in accordance with manufacturer procedures.

In practice, such a complete engine is frequently chosen by workshops specializing in Audi and Seat brands, as well as by informed users who want to restore full vehicle functionality after a mechanical failure or engine overheating. Using an original unit with the correct engine code minimizes the risk of compatibility issues with accessories, wiring harnesses, and ECU software.

Benefits of installing a complete petrol engine

Choosing a complete petrol engine from the TFSI/TSI family brings a number of technical and practical benefits, in particular:

• maintaining the factory performance characteristics of the powertrain in the Audi A3 8P and Seat Leon 1P,
• structural consistency with the vehicle's original drivetrain,
• the ability to use existing service and diagnostic infrastructure,
• easier engine control unit calibration due to unit code compatibility,
• optimal fit with the stock gearbox and drivetrain system.

For workshops, this means shorter installation time and fewer potential modifications, and for the user – a faster return of the vehicle to full efficiency and predictable car behavior after the repair.

Audi engines – expansion and powertrain modernization

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 out the available parts in the Audi Engines category.

Technical knowledge and engine selection

When choosing a used engine, it is worth knowing the typical design problems of individual units and their impact on operating costs. Material describing critical solutions used in modern engines, their susceptibility to failure, and the importance of proper service maintenance can be helpful – this topic is discussed in more detail in the article Faulty BMW E90 engines: check what can ruin your budget!, which shows how improper selection or service neglect can translate into high repair costs, regardless of the brand.

Summary

Audi A3 8P Seat Leon 1P 1.4 TFSI TSI Complete Engine CAXC 125HP 99k, WARRANTY is a practical solution for individuals and workshops looking for a complete petrol powertrain for VAG group vehicles. The four-cylinder design, modern injection technology, and compatibility with the factory car configuration make it a reasonable choice when replacing a damaged engine, allowing for the restoration of full vehicle functionality while maintaining predictable operating parameters.