Audi A4 B9 A5 F5 Q5 FY 2.0 TDI Diesel Bare Engine DETA 190HP 59k, 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 2.0 TDI Diesel Bare Engine DETA 190HP 59k, WARRANTY is a factory-original, used engine block from the Audi Engines group, designed for modern 2.0 TDI diesel units. The bare engine configuration allows for the precise transfer of accessories from your existing unit, which facilitates cost control and maintains the vehicle's factory configuration.

Specifications and technical data

• SKU: 04L100091C
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L100091C
• Substitutable numbers: 04L100091C, 04L 100 091 C, 04L100091CX, 04L 100 091 CX, 04L100091B, 04L 100 091 B
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: DETA
• Mileage: 59 000

Technical characteristics of the DETA 2.0 TDI engine

The presented engine belongs to the family of modern Audi diesel units, featuring a four-cylinder layout and optimized for diesel fuel combustion efficiency. The DETA code is used in Audi A4 B9, A5 F5, and Q5 FY models, which in practice means structural compatibility with the MLB platform and alignment with the body and drivetrain architecture of these generations.

The bare engine includes the main block with the cylinder head, serving as a base for further assembly with accessories from your vehicle. This configuration is particularly beneficial for professional repairs, where the ability to utilize functional auxiliary components and maintain full control over what is actually being replaced is essential.

Application in Audi models and compatibility

The DETA 2.0 TDI engine was designed for use in the drivetrains of the Audi A4 B9, A5 F5, and Q5 FY, providing the appropriate torque and power characteristics for these models. As a result, it serves as the proper base for replacing the powertrain in vehicles factory-equipped with an engine of the same code.

In practice, this means:

• maintaining factory mounting geometry in the engine bay,
• compatibility with the drivetrain system intended for this unit,
• the ability to use existing accessories, in accordance with workshop recommendations.

By using an original engine block from the same family of units, you minimize the risk of mechanical compatibility issues and reduce the need for additional modifications.

Benefits of choosing a used engine block

Choosing a used block from the Engines category is a solution often used in professional service centers when repairing the existing unit is economically unjustified. The bare engine allows for:

• transferring proven accessories from the previous engine,
• better control over the scope of component replacement,
• cost reduction compared to a complete unit or a brand-new engine.

The 2.0 TDI diesel engine is a popular choice due to its favorable fuel consumption-to-performance ratio, and using an original block with the correct code allows you to maintain the operating characteristics intended by the manufacturer. A used engine block is also a good solution in the case of post-accident repairs or mechanical block failures.

Professional selection and technical information

When selecting an engine block, it is crucial to match the unit code and structural parameters to the specific vehicle. For this purpose, it is worth using the manufacturer's markings and data from the vehicle documentation, as well as the VIN, which facilitates compatibility verification in a professional workshop.

If you want to better understand how to safely and consciously choose used powertrains, VIN-based selection procedures, and what the real cost differences are compared to new components, check out the guide Why it is worth buying used gearboxes and engines – facts instead of myths. This is a practical supplement to your knowledge when planning an engine replacement in your Audi.

Audi Engines – expansion and drivetrain modernization

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

To compare the cost-effectiveness of different solutions – from brand-new parts, through replacements, to used ones – the expert material Original, replacement, or used – which car parts are the most cost-effective? may also be helpful, as it discusses quality and cost differences in the context of real-world repairs.