Audi Q5 8R 2.0 TDI Quattro Bare Engine CGLB 170HP 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 Q5 8R 2.0 TDI Quattro Bare Engine CGLB 170HP with 99k miles, WARRANTY is a factory-spec engine block from the TDI family, designed for installation in the Audi Q5 8R model with Quattro all-wheel drive. It offers a solid foundation for professional repair or engine rebuild, maintaining the original performance characteristics and parameters specified by the manufacturer. By preserving the OEM design, this bare engine block allows for precise fitment to the vehicle's factory installation.

Specifications and technical data

• SKU: 03L100091C
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L100091C
• Substitutable numbers: 03L100091C, 03L 100 091 C, 03L100091CX, 03L 100 091 CX
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: CGLB
• Mileage: 99 000

Technical characteristics of the CGLB unit

The presented block belongs to the Engines category and is designed for diesel fuel, which provides the flexibility and fuel economy characteristic of TDI units. The four-cylinder inline configuration promotes balanced operation while maintaining a favorable power-to-weight ratio, which is essential in SUV-class vehicles with all-wheel drive.

The CGLB code identifies a specific variant of the 2.0 TDI unit with 170 HP, used as standard in the Audi Q5 8R. This allows for precise matching of the block to the appropriate version of accessories, engine control unit, and Quattro drivetrain without the need for structural modifications.

Application in the Audi Q5 8R 2.0 TDI Quattro

The CGLB bare engine block serves as a base for transferring accessories from the previous unit, which is a frequently chosen solution in cases of severe damage to the block, crankshaft, or piston-connecting rod system. This approach allows you to:

• retain original auxiliary equipment (turbo, injectors, manifolds, auxiliary components),
• maintain compatibility with factory controls and electrical wiring,
• reduce costs compared to purchasing a complete unit.

The unit is dedicated to operation in a Quattro drivetrain system, which is important when selecting the appropriate gearbox configuration and drivetrain components. The engine mileage allows for an assessment of its further operational potential after proper installation and initial service.

Condition, verification, and preparation for installation

The engine comes from an Audi vehicle and is offered as a used component, which in practice means that standard verification is required before installation in the target vehicle. It is recommended to perform a leak test, check clearances and the condition of threads and sockets, as well as replace consumables (gaskets, single-use bolts, oil, filters) in accordance with service procedures.

The bare block is a particularly beneficial solution for workshops specializing in the VAG group that have the appropriate facilities to transfer accessories and perform adjustments. Professional installation allows you to fully utilize the potential of the CGLB unit and ensure stable operation over a long period.

Benefits of choosing an original Audi block

Choosing an original block from an Audi Q5 8R 2.0 TDI Quattro provides a number of practical advantages:

• preservation of factory engine performance characteristics and compatibility with vehicle electronics,
• easier matching to the existing Quattro drivetrain,
• the ability to use existing accessories and components,
• reduced risk of issues with mounting points and connections.

For users who want to keep their vehicle in a configuration close to the factory state, this engine block from the Engines category is a technically consistent and predictable solution for operation.

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

To compare how manufacturers approach engine design and potential operational issues, it is worth reading the guide on the E90 series, available in the article Troublesome BMW E90 engines: check what can ruin your budget!, which helps to better understand the importance of proper engine selection and maintenance in premium-class cars.