VW Volkswagen Golf Mk7 Audi A3 8V 1.2 TSI Complete Engine CJZA 105HP 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.

VW Volkswagen Golf Mk7 Audi A3 8V 1.2 TSI Complete Engine CJZA 105HP WARRANTY is a complete powertrain unit from the VAG group, designed for Audi and Volkswagen vehicles equipped with the 1.2 TSI engine. The engine belongs to a modern family of turbocharged petrol units, ensuring good refinement, reasonable fuel consumption, and efficient acceleration in daily use. This is a solution for users looking for a factory replacement in a configuration consistent with the original manufacturer's specifications.

Specifications and technical data

• SKU: 04E100031C-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E100031C
• Substitutable numbers: 04E100031C, 04E 100 031 C, 04E100098BX, 04E 100 098 BX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CJZA
• Mileage: 89 000

Purpose and compatibility

The presented complete engine is dedicated to Volkswagen Golf Mk7 generation models and Audi A3 8V vehicles equipped with the 105 HP 1.2 TSI petrol unit. Using the CJZA engine code in the vehicle allows this unit to be treated as the correct base for replacement, while maintaining factory performance characteristics and compatibility with original auxiliary equipment.

The unit belongs to the Engines category, which means it constitutes the main element of the powertrain, responsible for generating torque and working with the factory gearbox, cooling system, and the vehicle's electronic control system.

Construction and technical characteristics

The CJZA engine is a modern, four-cylinder petrol design, engineered to combine dynamic driving with moderate fuel consumption. The use of turbocharging combined with precise injection control allows for 105 HP of power while maintaining a smooth torque curve across the typical operating rev range.

The four-cylinder configuration promotes balanced engine operation, reducing vibration and noise in the cabin. The engine runs on petrol fuel, which facilitates operation in both urban and extra-urban conditions, and also allows for the use of widely available fuel station infrastructure.

Practical application and installation benefits

The complete 105 HP 1.2 TSI CJZA engine is particularly recommended in situations where the existing unit has suffered serious mechanical damage or is beyond economical repair. Using a complete powertrain unit allows for shorter workshop turnaround times and reduces the risk of problems resulting from combining components with varying degrees of wear.

Key benefits of installing this unit include:

• maintaining factory power and torque characteristics,
• consistency with the original engine control system and vehicle equipment,
• the ability to restore full powertrain efficiency in a single service process.

Additionally, using a unit from the TSI family helps maintain a favorable balance between performance and fuel economy, which is significant for both private and fleet users.

Condition, origin, and mileage

The engine comes from a dismantled Audi vehicle, meaning it is a component from the manufacturer's original production line. The unit is offered as a used complete engine with documented mileage, which allows for a realistic assessment of the wear level in relation to the typical lifespan of this design.

Information about the mileage enables the workshop and the end-user to better plan future operation and any preventive maintenance after installation (e.g., replacing consumables, checking auxiliary equipment). Thanks to this, the engine can become a solid base for further, predictable vehicle operation.

Selection by VIN/OEM and technical support

When selecting a powertrain unit, it is crucial to verify the compatibility of the engine code and reference numbers with the vehicle documentation. Proper matching by VIN and OEM numbers minimizes the risk of problems with installation, equipment compatibility, or engine control unit software.

If you want to deepen your knowledge about the cost-effectiveness of purchasing used powertrain units, selection procedures, and the differences between individual variants, it is worth checking out the expert guide Why it is worth buying used gearboxes and engines – facts instead of myths, which discusses the practical aspects of purchasing and installing such components.

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