Audi A4 B8 A5 8T Q5 8R 2.0 TDI Bare Engine CNHC 163HP 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 A4 B8 A5 8T Q5 8R 2.0 TDI Bare Engine CNHC 163HP with 99k miles, WARRANTY is a used, factory-spec diesel engine block designed for modern Audi models in the A4, A5, and Q5 families. This bare engine unit provides a solid foundation for professional repairs or a complete powertrain rebuild, allowing you to transfer the accessories from your existing engine and maintain the vehicle's factory configuration. It is an ideal solution for users and workshops looking for a technically compatible yet cost-effective component.

Specifications and technical data

• SKU: 04L100091A-2
• Mark: Audi
• Condition: Used
• OEM Part Number: 04L100091A
• Substitutable numbers: 04L100091A, 04L 100 091 A, 04L100091AX, 04L 100 091 AX
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: CNHC
• Mileage: 99 000

Technical specifications of the CNHC 2.0 TDI engine block

The presented engine block belongs to the Engines category and is intended for the CNHC engine code, used in popular mid-size Audi models. The four-cylinder design ensures a balanced combination of smooth operation and adequate performance, while the diesel configuration is optimized for fuel-efficient driving on highways and in mixed traffic.

A bare engine block means you receive the core of the powertrain – the block with the cylinder head – prepared for the transfer of accessories from your current engine. This solution is particularly beneficial when the bottom end of the engine or the cylinder head has failed, while the remaining components are still in good technical condition.

Application in Audi A4 B8, A5 8T, and Q5 8R models

The CNHC 2.0 TDI engine was factory-fitted in modern Audi designs such as the A4 B8, A5 8T, and Q5 8R. As a result, the block is structurally matched to the engine bay, mounting points, and drivetrain of these models. This facilitates installation and reduces the need for additional modifications, which is important for both workshops and individual users.

The 163 HP unit provides responsive acceleration and comfortable highway driving, while remaining a sensible choice in terms of fuel consumption. For many Audi users, this configuration offers a great compromise between performance and daily operating costs.

Benefits of installing a used engine block

Choosing a used CNHC 2.0 TDI engine block is a solution that significantly reduces repair costs compared to purchasing a complete new unit. At the same time, you retain the ability to use your original accessories, which helps maintain the consistency of the vehicle's configuration.

• Ability to use existing accessories and vehicle wiring.
• Better control over the scope of the repair – you only replace the key component of the powertrain.
• A reasonable compromise between cost and durability when professionally installed.
• A technically compatible base for further regeneration or modernization of the powertrain.

For workshops specializing in the Audi brand, such an engine block is a practical starting point for building a complete powertrain that meets customer requirements.

Selection and compatibility verification

To correctly select this engine block for a specific Audi A4 B8, A5 8T, or Q5 8R, it is crucial to verify the compatibility of the engine code and unit parameters with the vehicle documentation. In practice, this means comparing data from the registration certificate, the VIN plate, and manufacturer information to avoid issues with installation and subsequent operation.

The 2.0 TDI four-cylinder diesel engine is widely used in the Audi range, but individual versions may differ in structural details. Therefore, before purchasing, it is worth consulting with a mechanic or technical advisor who will confirm the unit's compatibility with your car and indicate any elements that may require transfer or replacement.

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

Operation and informed choice of a powertrain

When purchasing a used engine block, it is worth paying attention to the service history and mileage, as they have a direct impact on the unit's potential for further operation. In the case of modern diesels, regular maintenance, proper oil, and correct operating conditions significantly extend engine life, making such a block a valuable base for continued use.

For comparison with other popular units on the market and a better understanding of how engine failures can affect a car owner's budget, it is worth reading our guide: BMW E90 engine failures: check what can ruin your budget!. This will allow you to better assess how important an informed choice and proper maintenance of the powertrain is, even in Audi vehicles.