Audi A4 B8 A5 8T Q5 8R 2.0 TDI Complete Engine CJCD 150HP 85k 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 B8 A5 8T Q5 8R 2.0 TDI Complete Engine CJCD 150HP 85k miles, WARRANTY is a complete powertrain from the TDI family, designed for popular Audi models. The unit with the CJCD code belongs to a modern generation of diesel engines, ensuring good refinement, reasonable fuel consumption, and solid performance in daily operation. Thanks to the configuration factory-adapted to the A4 B8, A5 8T, and Q5 8R platform, it serves as a practical base for a professional engine replacement.

Specifications and technical data

• SKU: 03L100091E-1
• Mark: Audi
• Condition: Used
• OEM Part Number: 03L100091E
• Substitutable numbers: 03L100091E, 03L 100 091 E, 03L100091EX, 03L 100 091 EX
• Fuel type: Diesel
• Number of cylinders: 4
• Category: Engines
• Engine code: CJCD
• Mileage: 85 000

Technical specifications and construction

The presented engine belongs to the Engines category and was designed as a modern diesel unit, optimized for efficiency and durability. The four-cylinder layout provides a balanced combination of power and economy, and the applied design solutions allow for efficient cooperation with factory-fitted auxiliary systems in the Audi A4 B8, A5 8T, and Q5 8R.

The CJCD unit configuration is well-known in workshops specializing in the Audi brand, which facilitates diagnostics, maintenance, and potential service work after installation. As a complete powertrain, the engine provides a solid foundation for restoring the vehicle's full functionality after the failure of the previous unit.

Purpose and compatibility

The engine was developed for use in Audi models based on the same construction platform, which allows for maintaining factory mounting geometry and proper cooperation with the drivetrain and vehicle electronics. The CJCD engine code is a key parameter when selecting a unit, so it is worth verifying compatibility with the vehicle documentation and markings on the current engine before purchasing.

The diesel unit will work particularly well in cars used on longer routes, where stable operation, favorable fuel consumption, and an adequate torque reserve are important. Four cylinders in an inline layout are a proven standard in this power class, ensuring a good balance between dynamics and operating costs.

Condition, mileage, and practical application

The engine comes from the secondary market, which allows for a significant reduction in repair costs compared to a brand-new unit. The declared mileage is important information when planning further operation – it allows for assessing the utility potential and planning any preventive measures after installation (e.g., replacing selected auxiliary components, fluids, or filters).

The complete nature of the unit facilitates installation in a specialized workshop, reducing vehicle downtime. In practice, such an engine is often chosen both in the event of serious mechanical failures and in situations where repairing the existing unit proves to be economically unjustified.

Benefits of choosing a used diesel engine

Purchasing a used diesel engine for an Audi is a solution that allows you to combine rational costs with maintaining an appropriate level of reliability. Units from the TDI family are well-recognized in the service market, and the availability of consumables and auxiliary parts facilitates further maintenance. A properly selected engine with the correct code and parameters can significantly extend the vehicle's lifespan without the need to invest in a new powertrain.

If you want to better understand how to safely and consciously choose used power units, it is worth reading the expert guide on our blog: Why it is worth buying used gearboxes and engines – facts instead of myths. You will find practical tips there regarding selection based on markings and repair cost-effectiveness analysis.

Expanding the Audi powertrain

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 powertrains, check out the available parts in the Audi Engines category.

For users of vehicles with diesel units, a guide regarding the injection system may also be helpful, in which typical symptoms and consequences of neglect are discussed: Diesel injector faults – how to recognize them and what are the risks of neglecting them. This will allow you to better plan preventive maintenance after installing the new engine and reduce the risk of future failures.