Range Rover L322 Rear Differential 4.10 Ratio Diff 3.0D M57 7501407 WARRANTY

Listing details

The differential is sold with a 90-day warranty! It was tested before removal and is in full working order. Range Rover L322 Rear Differential 4.10 Ratio Diff 3.0D M57 is a specialized drivetrain component designed for installation on the rear axle in models equipped with the M57 diesel engine. It is responsible for the precise transfer of torque to the wheels, traction stabilization, and proper cooperation with the drivetrain both off-road and on asphalt. By maintaining the factory 4.10 gear ratio specification, the differential ensures correct drivetrain performance parameters without interfering with the vehicle's electronics.

Specifications and technical data

• SKU: TBB000100
• Mark: Land Rover
• Condition: Used
• OEM Part Number: TBB000100
• Substitutable numbers: TBB000100, XH423B079AA, XH42-3B079-AA, 7501407
• Location on the vehicle: Rear
• Part type: Traction Unit
• Category: Additional Differential Parts

Purpose and function in the drivetrain

The rear differential in the Range Rover L322 with the 3.0D M57 engine is responsible for distributing torque between the rear axle wheels and compensating for rotational speed differences during cornering. A properly selected final drive ratio is crucial for:

• maintaining correct acceleration characteristics and top speed,
• stable cooperation with the automatic transmission and traction control systems,
• proper operation of the drivetrain in off-road and road modes. Selecting a differential with the correct gear ratio is particularly important in premium class vehicles, such as the Range Rover L322, where the drivetrain is precisely tuned to the electronics and driver assistance systems.

Compatibility and technical markings

The offered rear differential comes from the Other differential parts group and is a component dedicated for use in Land Rover vehicles with the 3.0D M57 unit. The presence of the OEM part number and interchangeable numbers allows for professional verification of compatibility with a specific equipment version and vehicle year, which minimizes the risk of an incorrect purchase. For certainty of fitment, it is worth comparing the markings with the vehicle's service documentation or using the manufacturer's catalogs. The product has assigned identifiers (including SKU and reference numbers) that facilitate unambiguous identification in warehouse and service systems.

Vehicle placement and installation aspects

The differential is designed for installation on the rear axle, which is significant both when selecting parts and planning workshop tasks. Correct placement on the vehicle affects:

• proper fitment with the driveshaft and half-shafts,
• correct alignment of mounting points to the frame or subframe,
• maintenance of the factory drivetrain geometry. During replacement, it is recommended to check the condition of mounts, bushings, and cooperating elements (half-shafts, driveshaft, bearings) to fully utilize the potential of the installed differential and reduce the risk of additional vibrations or noise.

Product characteristics and condition

The offered rear differential is a used part, which allows for economical vehicle repair while maintaining the original drivetrain construction. A used component of this type is particularly attractive in the case of technically advanced models, where new subassemblies can be significantly more expensive. Thanks to the preservation of the factory gear ratio configuration and the dedicated purpose for the 3.0D M57 unit, the differential provides a practical solution when replacing a damaged rear axle, without the need for modifying controller software or interfering with other drivetrain elements.

How to avoid mistakes when selecting a differential

When choosing a rear differential for the Range Rover L322, it is crucial to check the compatibility of OEM markings and interchangeable numbers with the vehicle's documentation. It is also worth verifying the engine type, year, and drivetrain configuration. To better understand the principles of selecting used subassemblies and avoid unnecessary costs, read our guide: No more bad purchases – how to professionally select used car parts. If you are planning a comprehensive repair or upgrade of the drivetrain in your Land Rover and need other elements from the same group, such as housings, mounts, or additional subassemblies cooperating with the axle, check the available parts in the Other Land Rover differential parts category.