Audi A3 8V VW Golf Mk7 Seat Leon 5F 1.4 TFSI TSI Bare Engine CXSA 122HP WARRANTY

Warranty and technical condition of the part

The engine is sold with a 90-day warranty.

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

Listing details

The offer applies to a bare engine.

The engine is sold without accessories (e.g. alternator, starter motor, manifolds, injectors, turbocharger, etc.).

Audi A3 8V VW Golf Mk7 Seat Leon 5F 1.4 TFSI TSI Bare Engine CXSA 122HP WARRANTY is a used, complete bare engine block designed for popular VAG group models. This is a solution for users looking for a technically compatible, verified engine block that will allow for professional repair or replacement of an existing powertrain while maintaining factory performance characteristics. By retaining the original specifications, the engine serves as a solid base for further assembly with peripheral components.

Specifications and technical data

• SKU: 04E100033S
• Mark: Audi
• Condition: Used
• OEM Part Number: 04E100033S
• Substitutable numbers: 04E100033S, 04E 100 033 S, 04E100098EX, 04E 100 098 EX
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: CXSA
• Mileage: 79 000

Technical characteristics of the CXSA engine block

The presented engine block belongs to the Engines category and represents a modern gasoline unit from the TFSI/TSI family. The four-cylinder design ensures balanced operation, good refinement, and predictable behavior across the entire rev range. The CXSA code identifies the specific engine version, which facilitates the selection of the correct peripheral components and integration with the vehicle's electronics.

This type of gasoline engine is designed to combine reasonable fuel consumption with the dynamic characteristics typical of modern compact car units. The four-cylinder architecture promotes even mechanical load distribution, thus ensuring predictable operation after proper installation and servicing.

Purpose and compatibility

The CXSA engine block is dedicated to vehicles such as the Audi A3 8V, VW Golf Mk7, and Seat Leon 5F, making it an attractive proposition for workshops specializing in the MQB platform as well as individual users planning an engine replacement in these models. Maintaining the original engine configuration facilitates integration with the factory ECU, wiring harness, and drivetrain.

As a bare engine block, this component serves as a base for transferring peripherals from the previous unit or using replacement parts. This form allows for flexible configuration adjustments to a specific vehicle while reducing costs compared to complete engines with full accessories.

Condition, mileage, and use in repairs

The engine comes from the secondary market and is offered as a used block with documented mileage, which is important when planning further operation. The low mileage, for a gasoline unit, favors the use of this engine both in standard replacements and in more advanced repair projects where the durability reserve of internal components is a priority.

A block configured in this way will prove useful in situations where the existing unit has suffered a major mechanical failure (e.g., damage to the block, crankshaft, or pistons) and on-site repair is not economically justified. Using a complete engine block allows for shorter vehicle downtime and simplifies the service process, limiting it mainly to transferring peripherals and performing standard preparatory tasks (seals, operating fluids, inspection of auxiliary components).

Benefits of choosing an original engine block for Audi

Choosing an original engine block for Audi, Volkswagen, and Seat ensures the preservation of factory operating parameters, which is important for durability, fuel consumption, and compatibility with vehicle electronics. For workshops, this means a predictable assembly process, and for the end user – greater confidence regarding compatibility and driving characteristics after replacement.

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 other blocks, short blocks, or complete power units, check out the available parts in the Audi Engines category.

Technical support and unit selection

When selecting a used engine, it is worth paying attention to the unit code compatibility, fuel type, and cylinder architecture to avoid problems with installation and subsequent operation. It is also good practice to analyze the typical faults of a given engine family and compare the costs of potential repairs with the purchase price of the block.

For a comparison of approaches to engine failure in other brands and a better understanding of how to properly prepare for purchasing a used engine, the article dedicated to problematic units in the E90 series may be helpful – you can find it here: Troublesome BMW E90 engines: check what can ruin your budget!.