Range Rover Sport L494 Front Differential Diff 3.31 DT306 MK62-3017-BA 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 Sport L494 Front Differential Diff 3.31 DT306 is a factory-original front differential designed for diesel engine versions. It enables precise torque transfer to the front axle, ensuring stable handling and predictable vehicle behavior in various road conditions. This is a solution for users who expect a proven design, correct drivetrain operation, and compliance with factory specifications.

Specifications and technical data

• SKU: LR141943
• Mark: Range Rover
• Condition: Used
• OEM Part Number: LR141943
• Substitutable numbers: LR141943, MK62-3017-BA, MK623017BA
• Location on the vehicle: Front
• Fuel type: Diesel
• Category: Differentials

Purpose and technical characteristics

The presented differential is a drivetrain component mounted on the front axle, designed to work with a diesel engine. The 3.31 gear ratio has been selected to balance acceleration dynamics with comfortable engine RPM during highway driving. As a result, the drivetrain maintains proper operating refinement, and the vehicle handles predictably on both dry asphalt and surfaces with reduced grip.

The differential belongs to the Differentials category, meaning it is a specialized component responsible for distributing torque between the front wheels. The correct gear ratio configuration is crucial for proper interaction with other drivetrain elements, including the rear axle and the transmission.

Benefits of using an original differential

Using an original differential dedicated to the Range Rover allows for maintaining the vehicle's factory traction parameters. In practice, this means:

• proper cooperation with the four-wheel-drive system and electronic systems responsible for traction and stability control,
• maintaining the correct final drive ratio, which translates into predictable vehicle behavior during acceleration and engine braking,
• reduced risk of uneven tire wear resulting from differences in gear ratios between axles,
• no need for interference with the factory drivetrain control unit configuration.

A used differential of this type is a good choice for repairs where maintaining original handling characteristics and matching the specific engine and drivetrain version is a priority.

Application in the Range Rover Sport drivetrain

In the Range Rover Sport L494, the front differential works with the driveshaft, half-shafts, and transmission to create a cohesive power transmission system. Diesel versions require a properly selected gear ratio to ensure:

• smooth starting from a standstill under full vehicle load,
• stable behavior in both off-road and on-road modes,
• appropriate response to load changes when towing or driving off-road.

A properly selected front differential reduces stress on the drivetrain, which promotes longer service life for other components, such as CV joints, half-shafts, or transmission elements.

Condition, origin, and fitment

The offered item comes from dismantling and is sold as a used differential. This type of component is particularly attractive in situations where you want to maintain factory specifications while optimizing repair costs. Before installation, standard workshop verification and an oil change in the drivetrain are recommended in accordance with the vehicle manufacturer's service procedures.

To ensure full compatibility, it is worth comparing the differential markings with the vehicle data and the manufacturer's specifications. The product has assigned OEM part numbers and interchangeable numbers, which facilitates clear identification and selection for a specific Range Rover configuration.

Technical support and additional materials

If you want to better understand how the axle and differential ratio affect driving characteristics, selection for a specific engine version, and cooperation with other drivetrain elements, check out our guide: Dismantled drive axles and differentials – how to choose gear ratios for your driving style. The article practically discusses compatibility issues, gear ratio differences, and common problems encountered when replacing used components.

If you are planning a comprehensive repair or upgrade of the drivetrain area in your Range Rover and need other elements from the same group, such as front axles, rear differentials, or final drives, check out the available parts in the Range Rover Differentials category.