Audi S3 8Y Cupra Leon 2.0 TFSI TSI Quattro Bare Engine DNFB 310HP 9k, 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 S3 8Y Cupra Leon 2.0 TFSI TSI Quattro Bare Engine DNFB 310HP 9k, WARRANTY is a factory-original petrol engine block from the TFSI family, designed for use in sports versions of Audi and Cupra models. This is a solution for users looking for a precisely matched, four-cylinder engine with high power potential and stable operating characteristics. The bare engine serves as a solid base for professional repairs or engine swaps in Quattro-drive vehicles.

Specifications and technical data

• SKU: 06Q100031E
• Mark: Audi
• Condition: Used
• OEM Part Number: 06Q100031E
• Substitutable numbers: 06Q100031E, 06Q 100 031 E
• Fuel type: Petrol
• Number of cylinders: 4
• Category: Engines
• Engine code: DNFB
• Mileage: 9 000

Technical specifications and engine construction

The presented engine belongs to the Engines category and represents a modern petrol construction with four cylinders in an inline configuration. The DNFB code identifies a specific variant of the 2.0 TFSI/TSI unit, used in 310 HP versions, which translates into dynamic throttle response and high efficiency under load. As a bare engine, the component includes the main block with the cylinder head, prepared for further assembly with accessories compatible with the specific vehicle configuration.

This type of petrol unit is designed for operation in all-wheel-drive systems, which promotes stable transfer of high torque. The four-cylinder architecture provides a favorable compromise between weight, refinement, and mechanical or software tuning capabilities.

Application in Audi S3 8Y and Cupra Leon

The DNFB engine is used in the sports configurations of the Audi S3 8Y generation and the Cupra Leon model, where it works with advanced drivetrain systems. In practice, this means that the engine is optimized for dynamic driving, quick revving, and stable operation across a wide range of loads. As a result, it serves as a suitable base both for standard engine replacement and for modernization projects where consistency with the factory vehicle architecture is essential.

The bare engine is particularly useful in situations where the existing block has suffered mechanical or thermal damage, while the accessories (turbo, injection, manifolds, wiring harness) remain in a condition suitable for reuse. This allows for reduced repair costs while maintaining high quality and compliance with factory solutions.

Condition, mileage, and operational potential

The unit is offered as a used engine block, which in practice means an attractive cost-to-technical-capability ratio. Very low mileage translates into limited wear of the components working inside the block and head, which is important when planning long-term operation or further modifications. This type of engine is a valuable base for building a powerful yet predictable drivetrain.

Choosing a used engine with low mileage is often preferred by workshops specializing in the Audi brand and VAG group cars, as it allows for maintaining the factory specification of the unit, avoiding problems typical of replacements of uncertain origin.

Benefits of using the original DNFB engine

Using the original DNFB engine in a car such as the Audi S3 8Y or Cupra Leon brings a number of practical benefits:

• preservation of factory power and torque characteristics,
• compatibility with existing electronics and engine control unit,
• possibility of transferring proven accessories from the previous unit,
• easier diagnostics and service based on manufacturer documentation.

For users planning further modifications, the four-cylinder petrol engine from this family is well-known in the tuning community, which facilitates the selection of control maps and accompanying components.

Selection, verification, and expert knowledge

When selecting an engine for a specific Audi or Cupra vehicle, it is crucial to check the compatibility of the engine code and installation parameters. It is worth using procedures based on OEM numbers and vehicle data to avoid assembly and software issues. A detailed discussion of selection principles and arguments for purchasing a used engine can be found in the article Why it is worth buying used gearboxes and engines – facts instead of myths, which organizes the most important technical and economic issues in an accessible way.

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, heads, or complete power units, check the available parts in the Audi Engines category.