Audi A8 4H 3.0 TDI Quattro Bare Engine CDTA 250HP with 99k 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 A8 4H 3.0 TDI Quattro Bare Engine CDTA 250HP with 99k miles, WARRANTY is a factory-used engine block from the V6 TDI family, designed for installation in the Quattro drivetrain. This solution is for users looking for a technically matched, solid foundation for the power unit, allowing for professional repair or engine rebuilding in a high-end Audi.

Specifications and technical data

• SKU: 059100099G-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 059100099G
• Substitutable numbers: 059100099G, 059 100 099 G, 059 100 099 GX
• Fuel type: Diesel
• Number of cylinders: 6
• Category: Engines
• Engine code: CDTA
• Mileage: 99 000

Technical characteristics of the CDTA engine block

The presented block belongs to the Engines category and serves as the structural base for a V6 diesel unit designed for diesel fuel. The cylinder configuration ensures smooth operation, good refinement, and an adequate torque reserve, which is particularly important in a heavier F-segment limousine. The CDTA code identifies the specific version of the unit, which facilitates the selection of accessories and compatible components.

As a bare engine block, this component is intended for further assembly – it utilizes existing accessories, cylinder heads, fuel injection systems, as well as covers and mounts from the donor vehicle or the currently operated car. This configuration allows for flexible adaptation to the specific equipment specification of the Audi A8 4H, while maintaining the correct operating parameters of the power unit.

Application in the Audi A8 4H 3.0 TDI Quattro drivetrain

The CDTA engine in the 3.0 TDI version works with the Quattro all-wheel-drive system, which is why the block is designed to handle the loads resulting from operation in an advanced drivetrain. The block construction and the placement of mounting points are adapted to the Audi A8 4H body architecture, which facilitates installation and reduces the need for additional modifications.

The 250 HP unit ensures dynamic acceleration, smooth power delivery, and comfortable driving at higher highway speeds. Combined with an automatic transmission and Quattro drive, this engine is often chosen as a compromise between performance and fuel consumption, which is why replacing the block with a verified unit is a rational solution in the event of serious damage to the existing unit.

Condition, mileage, and benefits of installing a used block

The offered block comes from the secondary market, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The declared mileage provides a good base for further operation, especially if the installation is combined with an inspection of accessories, replacement of consumables, and a check of the lubrication and cooling systems.

Choosing a used engine block is a solution that:

• reduces the total cost of repair while maintaining the factory specification of the unit,
• enables the use of existing accessories and vehicle electronics,
• shortens vehicle downtime compared to a full rebuild of the old block.

Selection by engine code and technical parameters

When selecting a block for the Audi A8 4H, the CDTA engine code, fuel type, and cylinder configuration are of key importance. Using a unit with the correct code allows you to avoid problems with the compatibility of the ECU, wiring harness, fuel injection system, and mechanical accessories. In practice, this means more efficient installation and a lower risk of additional costs associated with adaptation.

In case of doubt, it is worth verifying compatibility using the VIN and comparing parameters with the vehicle's service documentation. Thanks to this, the block can be used both for repairs after mechanical failure and for comprehensive rebuilding of the power unit after operational damage.

Technical support and related materials

If you want to better understand how to safely and consciously invest in used power units, selection procedures by VIN and OEM, and the real cost differences compared to new components, read 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 a block replacement in your Audi.

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