Audi A4 B9 A5 F5 Q5 FY 2.0 TDI Complete Engine DEZE 163HP 25k miles, 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.

Audi A4 B9 A5 F5 Q5 FY 2.0 TDI Complete Engine DEZE 163HP 25k miles, WARRANTY is a complete powertrain from the TDI family, designed for modern mid-size Audi models and SUVs. The unit with the DEZE code provides dynamic performance, high refinement, and efficient fuel usage, making it an attractive choice for professional engine repairs or replacements.

Specifications and technical data

• SKU: 05L100031-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 05L100031
• Substitutable numbers: 05L100031, 05L 100 031
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: DEZE
• Mileage: 25 000

Technical characteristics of the DEZE 2.0 TDI unit

The engine belongs to the popular family of Audi diesel units, optimized for modern emission standards and driving economy. The four-cylinder in-line layout provides a balanced combination of performance and fuel consumption, and the 2.0 TDI configuration is well-known for its practical torque available across a wide rev range.

The 163HP DEZE unit was designed for daily use on highways and in the city, with an emphasis on stable operation, predictable throttle response, and the acoustic comfort typical of newer generations of Audi diesel engines.

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

The presented complete engine is intended for use in Audi A4 B9, A5 F5, and Q5 FY models, where it serves as a key component of the drivetrain. The unit's design has been adapted to the architecture of these bodies, which facilitates integration with the vehicle's factory installation, cooling system, and accessories.

In practice, this means the possibility of a professional replacement of a damaged engine with a verified unit of similar parameters, without the need to interfere with the basic geometry of the engine bay. For workshops and end-users, this translates into more predictable installation time and reduced risk of fitment issues.

Operational parameters and user benefits

The 2.0 TDI DEZE engine was designed as a compromise between dynamics and economy. The four-cylinder diesel construction provides:

• efficient acceleration in typical road speed ranges,
• stable operation during long-distance highway driving,
• favorable fuel consumption compared to larger units,
• good compatibility with modern transmissions used in the Audi A4, A5, and Q5.

An additional advantage is the relatively low mileage, which in the case of diesel units is significant for the further longevity of internal components and the potential for continued operation in demanding conditions.

Condition, origin, and compatibility verification

The offered engine is in the Engines category and is a component originating from an Audi vehicle. As a used part, it represents a reasonable compromise between repair costs and maintaining the manufacturer's original specification. Before installation, a standard workshop procedure is recommended: leak testing, verification of accessories, and replacement of consumables in accordance with good service practice.

To facilitate identification, it is possible to match the part by OEM number and interchangeable numbers, which allows the workshop to precisely verify compatibility with a specific vehicle configuration before installation.

Repair expansion and selection of other Audi engines

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 complete powertrains, engine blocks, or other diesel drive configurations, check the available parts in the Audi Engines category.

Technical knowledge and selection support

When choosing a used engine, it is worth considering not only the unit code and power but also the specific operating conditions of a given model and the typical weak points of individual designs. Comparing solutions used by different manufacturers in a similar production period can be helpful. For a broader context regarding the durability of powertrains in premium cars, you can refer to the guide material BMW E90 problematic engines: check what can ruin your budget!, which shows how important an informed decision is when choosing a specific engine.