Range Rover Sport L494 Front Differential Diff Ratio 3.21 CPLA-3017-BF 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 Ratio 3.21 CPLA-3017-BF is a front differential from the Differentials group, designed for the drivetrain of Land Rover vehicles. This used part from professional dismantling allows for an economical yet technically sound repair of the drivetrain in a Range Rover Sport L494, maintaining the correct gear ratio and performance characteristics of the 4x4 system.

Specifications and technical data

• SKU: LR066511
• Mark: Land Rover
• Condition: Used
• OEM Part Number: LR066511
• Substitutable numbers: LR066511, CPLA-3017-BF, CPLA3017BF
• Location on the vehicle: Front
• Part type: Differential & Housing Assembly
• Category: Differentials

Purpose and function in the drivetrain

The front differential in the Range Rover Sport L494 is responsible for distributing torque to the front axle wheels, working in conjunction with the central drivetrain and vehicle electronics. The applied 3.21 gear ratio is crucial for maintaining factory dynamics, proper operation of traction systems, and stability during both off-road and on-road driving. Selecting a differential with the correct gear ratio has a direct impact on:

• drivetrain consistency between the front and rear axles,
• proper operation of traction control systems,
• acoustic comfort and smoothness of acceleration,
• durability of other drivetrain components.

Technical specifications and installation

The offered differential is designed for installation on the front axle of the vehicle, in accordance with the factory design of the Range Rover Sport L494. The OEM construction ensures proper mounting points, compatibility with half-shafts, and correct interaction with the factory lubrication system and seals. In practice, this means that by following the appropriate installation procedure, you can achieve:

• proper fitment with suspension components and the subframe,
• compliance with factory drivetrain performance parameters,
• the ability to use standard mounts and accessories. A used differential of this type is a good solution for post-accident repairs, following mechanical damage, or in the event of gear wear in an operating vehicle.

Benefits of using an original Land Rover differential

Using an original Land Rover differential allows you to maintain the factory handling characteristics and 4x4 system performance. Unlike replacements of uncertain origin, the OEM component is designed for a specific vehicle model and configuration, which reduces the risk of incorrect gear ratio matching or mounting geometry issues. The main advantages of this solution include:

• consistency with factory drivetrain control unit settings,
• preservation of the manufacturer-intended acceleration and transmission performance characteristics,
• lower risk of additional vibrations and noise resulting from improper component selection.

Condition and use in repairs

The differential is offered as a used part from dismantling, which allows for a significant reduction in repair costs compared to a new part, while maintaining proper performance parameters. This type of component is particularly recommended in situations where only the front axle has been damaged, while other drivetrain elements remain functional. Before installation, a standard workshop procedure is recommended, including checking for leaks, oil condition, and verifying compatibility with half-shafts and mounts. A correctly selected and installed differential allows for the restoration of full drivetrain functionality without the need for costly reconstruction of the entire system. 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 front differentials, rear differentials, or drive axles, check the available parts in the Land Rover Differentials category.

Gear ratio selection and technical knowledge

When replacing a differential, it is crucial to match the gear ratio to the vehicle configuration and the user's driving style. Incorrect selection can lead to overloads in the drivetrain, electronic system errors, or undesirable changes in driving characteristics. To better understand the relationship between axle ratios and vehicle behavior, it is worth consulting specialized technical materials – you can find practical tips in the article Drive axles and differentials from dismantling – how to choose gear ratios for your driving style.