Audi A4 B9 A5 F5 Q5 FY Bare Engine 2.0 TDI 35 TDI DTNA 163HP 49k miles, 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 A4 B9 A5 F5 Q5 FY Bare Engine 2.0 TDI 35 TDI DTNA 163HP 49k miles, WARRANTY is a factory-spec diesel engine block from the TDI family, designed for modern mid-size Audi models. It offers stable performance parameters and a construction optimized for fuel economy and engine durability. As a bare engine, it serves as a solid foundation for professional rebuilding or replacing the existing engine in your Audi.

Specifications and technical data

• SKU: 05L100031H-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 05L100031H
• Substitutable numbers: 05L100031H, 05L 100 031 H
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: DTNA
• Mileage: 49 000

Technical characteristics of the DTNA unit

The presented engine belongs to the Engines category and represents modern Audi diesel engineering. The unit runs on Diesel fuel, which ensures a favorable balance between fuel consumption and performance, as well as good flexibility in typical road conditions. The DTNA engine code identifies the specific design version, which facilitates the selection of accessories and integration with the vehicle's electronics.

The engine features a four-cylinder inline layout, which is considered a proven solution in the Audi 2.0 TDI range in terms of refinement and efficiency. This configuration allows for an output of 163 HP in the 35 TDI version, which in practice translates into dynamic acceleration while maintaining reasonable operating costs.

Application in Audi A4 B9, A5 F5, Q5 FY models

The offered engine was designed for the platform used in the Audi A4 B9, A5 F5, and Q5 FY models. Consequently, it serves as a suitable base for replacing the powertrain in vehicles based on the same architecture, while maintaining compatibility with factory mounting points and the drivetrain.

The bare engine is particularly useful in situations where the previous engine has suffered major mechanical damage, and the accessories (turbo, injectors, manifolds, auxiliary equipment) can be transferred from the existing unit. This allows for optimized repair costs while maintaining the vehicle's original specifications.

Condition, mileage, and operational potential

The unit comes from the secondary market and is offered as a used engine block. The declared mileage is at a level typical for modern Audi diesels, which leaves significant potential for further operation with proper maintenance. This type of engine, with regular oil and filter changes and the use of appropriate fuel, can operate stably for a long time.

The bare engine allows for specialized service – before installation, additional preventive measures can be performed, such as checking seals, verifying the cylinder head, or preparing it according to individual workshop requirements. This is a solution often chosen by professional service centers that want full control over the final configuration of the unit.

Benefits of choosing the 2.0 TDI 35 TDI DTNA engine

• Proven, four-cylinder diesel construction optimized for economy and durability.
• Dedicated application in modern Audi A4 B9, A5 F5, and Q5 FY models.
• Possibility to use existing accessories and adjust the configuration to a specific vehicle.
• Reasonable compromise between 163 HP power and fuel consumption in daily use.
• Flexible base for professional regeneration or comprehensive engine replacement.

Integration with the drivetrain and electronics

The DTNA engine was developed to work with modern control and safety systems used in Audi. With the correct selection of the engine control unit (ECU), wiring harnesses, and accessories, it is possible to maintain full functionality of factory systems, such as advanced driving modes or extensive diagnostic functions.

For vehicles equipped with complex electronics, it is worth paying attention to the compatibility of the engine code with the controller software. For users interested in a broader context of engine failures in other brands, an article describing typical problems in the popular BMW model may be helpful – details can be found in the material Faulty BMW E90 engines – a practical guide to problematic units.

Expanding the Audi powertrain – Engines category

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