Ford Kuga Mk2 2.0 TDCI AWD Rear Axle Differential Diff CV6W-4000-DB WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order. Ford Kuga Mk2 2.0 TDCI AWD Rear Axle Differential Diff CV6W-4000-DB WARRANTY is a factory-original drivetrain component designed for the all-wheel-drive diesel version. This rear axle differential is engineered for stable torque transfer to the rear axle, maintaining proper traction and predictable vehicle handling. With a design tailored for a manual transmission, it serves as a cohesive part of the entire drivetrain, facilitating precise AWD operation.

Specifications and technical data

• SKU: CV6W-4000-DB
• Mark: Ford
• Condition: Used
• OEM Part Number: CV6W-4000-DB
• Substitutable numbers: CV6W-4C166-BB, CV6W4C166BB, CV6W-4000-DB, CV6W4000DB, 2629518
• Location on the vehicle: Rear
• Fuel type: Diesel
• Gearbox type: Manual
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and role in the drivetrain

The described rear differential is dedicated to the Ford Kuga Mk2 2.0 TDCI AWD, where it is responsible for distributing power to the rear wheels. Combined with the diesel engine and manual transmission, it ensures predictable vehicle behavior during city driving, highway travel, and on slippery surfaces. Its placement in the rear of the vehicle allows for optimal load distribution and cooperation with other suspension and drivetrain components. Selecting the correct rear axle is crucial for the durability of the entire drivetrain, reducing unwanted vibrations, and maintaining correct gear ratios in relation to the specific engine and transmission version. A properly selected differential reduces the risk of overloading and uneven tire wear, while also improving acoustic comfort inside the cabin.

Design and technical fitment

The rear axle in this model has been configured to work with the diesel unit, meaning it is adapted to the torque characteristics typical of TDCI engines. The synchronization with the manual transmission allows for smooth load transfer during gear changes, without excessive jerking or delays in drivetrain response. The rear axle placement is factory-designed for the AWD version, ensuring that installation is straightforward and consistent with the vehicle's original architecture. This component belongs to the Differentials category, meaning its design is focused on precisely differentiating wheel rotational speeds while maintaining driving stability. Proper fitment with half-shafts and other drivetrain components has a direct impact on the overall system performance and the reduction of unwanted play.

Practical application and benefits of installation

In a vehicle like the Ford Kuga Mk2 with AWD, the rear differential is responsible for:

• transferring torque to the rear wheels in a manner adapted to traction conditions,
• stabilizing vehicle behavior during acceleration and engine braking,
• proper cooperation with safety systems (ABS, traction control, ESP),
• limiting wheel slip when there is a difference in grip. Replacing a worn or damaged rear axle with a functional unit from the same drivetrain configuration allows for the restoration of proper AWD operation, reduction of noise coming from the rear of the vehicle, and improved handling predictability. This is particularly important for vehicles used under load, on long trips, or in variable weather conditions.

Characteristics of the used product

The offered differential is a salvaged part and has the status of a used original component. For many users, this is a reasonable compromise between cost and maintaining the vehicle's factory specifications. Original aftermarket components are often chosen where compliance with the factory design is important, and there is no need to invest in a new part. Before installation, a standard workshop procedure is recommended: verifying seals, checking for operational play, and changing the gear oil according to the vehicle manufacturer's recommendations. This approach allows you to maximize the potential of the used axle and reduce the risk of premature wear.

Gear ratio selection and technical knowledge

When replacing a rear differential, it is crucial to match the gear ratio to the specific engine version, transmission, and drivetrain configuration. An incorrectly selected ratio can result in improper AWD operation, electronic errors, or uncomfortable driving characteristics. Therefore, it is worth verifying the part's compatibility with your vehicle's configuration before purchasing, using service documentation or professional support. If you want to deepen your knowledge about selecting drive axles and differentials for your driving style and vehicle configuration, check out the article Salvaged drive axles and differentials – how to choose gear ratios for your driving style, where you will find practical tips, definitions, and examples of applications.

Expanding the Ford drivetrain

If you are planning a comprehensive repair or upgrade of the drivetrain in your Ford and need other elements from the same group, such as additional differentials, axles, or related components, check out the available parts in the Ford Differentials category.