Audi A4 B8 A5 8T Q5 8R 2.0 TDI Complete Engine CJCA 143HP 99k 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 CJCA 143HP 99k miles, WARRANTY is a complete powertrain from the TDI family, designed for popular Audi models. This unit belongs to the Engines category and serves as a solid foundation for professional repair or replacement of a damaged engine in A4 B8, A5 8T, and Q5 8R group vehicles.

Specifications and technical data

• SKU: 03L100091C-3
• 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: CJCA
• Mileage: 99 000

Technical characteristics of the CJCA unit

The presented engine belongs to the modern family of TDI diesel units, designed for efficient use of Diesel fuel. The applied configuration includes four cylinders, which ensures a good balance between refinement, dynamics, and operating economy in daily use.

The CJCA engine code is widely used in the Audi range, which facilitates the selection of accessories and integration with the vehicle's factory electronics. A complete engine means it is a cohesive powertrain, serving as a suitable base for installation in place of a worn or damaged unit in compatible models.

Application in Audi models

The CJCA engine was developed for mid-size cars and SUVs from the Audi brand, such as the B8 generation A4, A5 8T, and Q5 8R. As a result, the unit's design is adapted to the requirements of these models in terms of vehicle weight, driving characteristics, and expected comfort of use.

In practice, this means that after proper installation and control configuration, the engine provides smooth acceleration, stable operation across the full rev range, and predictable behavior during highway and city driving. The unit is suitable for both daily operation and more intensive long-distance use.

Condition, origin, and mileage

The offered engine falls into the category of used powertrains, which allows for a significant reduction in repair costs compared to purchasing a brand-new unit. The condition specified as Used means that this is a component from dismantling that retains functionality suitable for further operation after proper installation and initial service.

A significant advantage is the documented mileage of the unit, which allows for a better assessment of its future potential and helps in planning service activities after installation (oil change, filters, accessory check). This allows the user to consciously choose an engine suited to the expected vehicle service life.

Benefits of choosing a complete used engine

Choosing a complete TDI engine for an Audi A4 B8, A5 8T, or Q5 8R is a solution that allows you to:

• reduce repair costs compared to purchasing a new unit,
• shorten vehicle downtime thanks to a ready-to-install powertrain,
• maintain the original performance characteristics and power output typical of the 2.0 TDI 143HP version,
• facilitate workshop work due to structural compatibility with dedicated Audi models.

For many users, this is a reasonable compromise between investment cost and the expected durability and functionality of the vehicle after repair. The Engines category includes exactly these types of assemblies, which are a key element in restoring the full efficiency of the car.

Selection, installation, and technical support

When selecting a powertrain, it is particularly important to verify the compatibility of the engine code and parameters with the vehicle documentation. Proper matching avoids mechanical installation problems and integration issues with electronics, and ensures correct cooperation with the drivetrain.

To better understand how to safely and consciously choose used powertrains, it is worth reading an expert guide discussing facts and myths about such solutions, procedures for selection by VIN and OEM numbers, and sample cost calculations – you will find it in the article Why it is worth buying used gearboxes and engines – facts instead of myths.

If you want to learn more about the secondary market and dispel doubts regarding the quality of dismantled parts, the guide Used car parts: Myths and facts you need to know will also be helpful, as it discusses the most common driver concerns and practical criteria for evaluating such components.

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 the available parts in the Audi Engines category.