Land Rover Discovery 4 L319 Rear Differential Diff 3.0 V6 AH22-4W063-BC WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order.

Land Rover Discovery 4 L319 Rear Differential Diff 3.0 V6 is an original drivetrain component designed for the vehicle's rear axle. This used differential ensures proper torque distribution to the rear wheels, which translates into stable handling, predictable traction, and safe drivetrain operation in demanding conditions. Choosing a factory-spec component ensures a perfect fit for the Discovery 4 design and consistency with factory electronic system settings.

Specifications and technical data

• SKU: LR017317
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR017317
• Substitutable numbers: LR017317, AH22-4W063-BC, AH22-4W063-LA, AH224W063LA
• Location on the vehicle: Rear
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function in the drivetrain

The rear differential in the Land Rover Discovery 4 L319 with a 3.0 V6 engine is responsible for controlled wheel speed differentiation while maintaining efficient torque transfer. It is a key component for:

• maintaining traction on surfaces with varying grip,
• reducing stress on half-shafts and other drivetrain elements,
• stable vehicle behavior during acceleration and cornering.

Its location on the rear axle means the differential works in direct connection with the drive axle, suspension, and traction control systems, which requires the use of the correct, dedicated component.

Compatibility with Land Rover Discovery 4 L319

The presented differential has been designed specifically for the Land Rover Discovery 4 L319 platform with a 3.0 V6 unit, ensuring compatibility with factory suspension geometry, mounts, and drivetrain operating parameters. Proper fitment translates into:

• correct alignment with the axle housing and half-shafts,
• proper cooperation with the stock driveshaft,
• maintenance of factory vehicle handling characteristics.

As an element from the Differentials group, it is intended for direct installation in the rear part of the drivetrain, without the need for structural modifications to the vehicle.

Characteristics of the used differential

The offered differential is a used item, which in practice means the possibility of obtaining factory compatibility at a more favorable price than in the case of a new component. This type of component is particularly attractive for:

• repairs after mechanical damage to the axle or gear,
• restoring drivetrain efficiency in vehicles used off-road,
• optimizing service costs while maintaining the original design.

Choosing an original dismantled differential allows you to maintain compliance with factory gear ratios and operating characteristics, which is important for the durability of the entire system.

Professional selection and installation

To fully utilize the potential of the rear differential in the Discovery 4, it is worth ensuring the correct selection of gear ratios and compatibility with the existing drive axle. A detailed discussion of selection principles, the impact of gear ratios on dynamics and driving comfort, as well as practical examples, can be found in the article Dismantled drive axles and differentials – how to choose gear ratios for your driving style. This is a useful source of knowledge when planning repairs or drivetrain upgrades.

Expanding the Land Rover drivetrain

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

Summary

Land Rover Discovery 4 L319 Rear Differential Diff 3.0 V6 is the right choice for users looking for an original, used rear drivetrain element, tailored to the specifics of the Discovery 4 construction. Using a dedicated differential allows you to restore proper drivetrain operation, maintain handling stability, and keep driving characteristics consistent with the manufacturer's specifications.