Audi A6 C7 A7 4G Q5 8R 3.0 TDI Quattro Complete Engine CDUD 245HP 89k, 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 A6 C7 A7 4G Q5 8R 3.0 TDI Quattro Complete Engine CDUD 245HP 89k, WARRANTY is a complete powertrain from the V6 TDI family, designed for modern Audi models with Quattro all-wheel drive. The unit has been engineered for dynamic driving, high operational refinement, and stable integration with advanced drivetrain systems.

Specifications and technical data

• SKU: 059100099G-5
• Mark: Audi
• Condition: Used
• OEM Part Number: 059100099G
• Substitutable numbers: 059100099G, 059 100 099 G, 059100099GX, 059 100 099 GX
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: CDUD
• Mileage: 89 000

Characteristics of the CDUD 3.0 TDI unit

The 3.0 TDI engine in the CDUD version is a modern, six-cylinder diesel construction, optimized for efficiency and flexibility across the entire rev range. The use of a common rail injection system and turbocharging (typical for the 3.0 TDI in this generation) results in smooth power delivery, good throttle response, and stable performance in daily use.

The V6 configuration ensures balanced inertial forces, which contributes to reduced vibrations and acoustic comfort inside the vehicle. The CDUD unit is designed to work with the Quattro drive system, allowing it to handle the loads resulting from transferring high torque to all wheels very well.

Application in Audi models

The presented complete engine is intended for Audi vehicles, such as the A6 C7, A7 4G, and Q5 8R, in 3.0 TDI versions with Quattro drive. Proper selection of the power unit for a specific car configuration is crucial for the correct operation of electronic systems, the transmission, and all-wheel-drive systems.

Before purchasing, it is recommended to verify the compatibility of the CDUD engine code with the vehicle's factory data (e.g., by decoding the VIN and comparing it with service documentation) to ensure full mechanical and electronic compatibility.

Benefits of installing a complete engine

Choosing a complete engine from the Engines category allows you to limit the scope of additional workshop work compared to replacing just the engine block or individual components. From a service perspective, this means:

• a simplified process of removing the old unit and installing the new one,
• easier adaptation to the vehicle's existing installation,
• lower risk of incompatibility between individual auxiliary components.

The 3.0 TDI diesel engine is a popular choice for users expecting a combination of reasonable fuel consumption and significant power reserves, which works well in both luxury class cars (A6, A7) and the Q5 SUV.

Condition, mileage, and pre-installation verification

The unit comes from the secondary market, which in practice means that before installation, it is worth performing a standard package of workshop checks: compression measurement, assessment of system tightness, cooling system inspection, and verification of auxiliary components for potential leaks. The declared mileage allows for an assessment of the wear level, but an additional internal condition check by an experienced service center is always recommended.

A good solution is also the preventive replacement of consumables (engine oil, filters, coolant) and high-wear components, which increases safety and the predictability of the unit's operation after installation.

Fitment, identification, and technical aspects

The CDUD engine is a diesel unit, which is why it is intended exclusively for diesel-powered vehicles. The number of cylinders and the specific V6 design require the use of appropriate auxiliary equipment, the correct engine control unit map, and a compatible transmission. Proper identification of the engine code and part numbers (including interchangeable numbers) is crucial for the correct selection of the component.

In case of any doubts regarding compatibility with a specific equipment version or vehicle model year, it is worth consulting a specialized workshop or technical department that will verify the data based on the manufacturer's documentation.

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 blocks, cylinder heads, or complete powertrains, check the available parts in the Audi Engines category.

For a comparison of designs and typical problems of power units in other brands, an article describing critical technical solutions may be helpful – you can find it here: Unreliable BMW E90 engines – a practical guide to problematic units.