Land Rover Discovery 3 L319 2.7 V6 Transfer Box Case IAB500243 WARRANTY

Listing details

The gearboxes are sold with a 90-day warranty! They were tested before removal and are in full working order.

Land Rover Discovery 3 L319 2.7 V6 Transfer Box Case is an original drivetrain component from the Transfer Cases group, designed for vehicles with a diesel engine and automatic transmission. It ensures proper torque distribution between the axles, which translates into stable handling, predictable traction, and safe operation of the 4x4 drive in demanding off-road and road conditions.

Specifications and technical data

• SKU: IAB500243
• Mark: Land Rover
• Condition: Used
• OEM Part Number: IAB500243
• Substitutable numbers: IAB500243, LR049160, 4H227K780AA, 4H22-7K780-AA, CPLA7K780AC, CPLA-7K780-AC
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Transfer Case
• Category: Transfer Cases

Purpose and role in the drivetrain

The transfer box in the Land Rover Discovery 3 L319 2.7 V6 is responsible for distributing power between the front and rear axles and for selecting the appropriate gear ratio in off-road modes. In combination with the automatic transmission, it creates a cohesive system that enables smooth gear shifting, stable starting on slippery surfaces, and controlled climbing and descending of hills.

Thanks to its adaptation to the diesel unit, the transfer box system is prepared for the high torque typical of diesel engines, which reduces the risk of overloading and supports long-term, repeatable drive performance under both road and off-road operating conditions.

Advantages of using an original transfer box

Using an original transfer box in a Discovery 3 ensures:

• factory fitment to the drivetrain and the vehicle's electronic systems,
• proper cooperation with the automatic transmission and 4x4 drive,
• maintenance of the manufacturer-intended performance characteristics in road and off-road modes,
• reduction of the risk of improper fitment or the need for installation modifications.

A used OEM component allows for cost-effective repair while maintaining the design intended by the manufacturer, which is particularly important in vehicles with advanced traction control and stability systems. A properly selected transfer box helps maintain the consistent operation of driver assistance systems, such as four-wheel drive management systems.

Compatibility with the diesel system and automatic transmission

The presented transfer box is designed for the diesel engine version, meaning its construction accounts for the torque characteristics of the diesel unit. Cooperation with the automatic transmission ensures smooth power delivery, and the appropriately selected reduction ratios support off-road driving, trailer towing, and driving under load.

Thanks to this solution, the driver receives predictable vehicle behavior in various operating conditions, and the drivetrain operates within the parameters specified by the manufacturer. This is especially important in vehicles used off-road, where the transfer box is used intensively.

A professional choice for drivetrain repair

In the event of a failure of components responsible for power transmission, such as the transfer box or gearbox, many users consider installing a used part. To better assess the cost-effectiveness of such a solution, the differences between manual and automatic transmissions, and compatibility issues, it is worth reading our guide: Used gearbox – when is it worth it and what you need to remember.

Additionally, when choosing OEM components from the secondary market, a practical guide explaining why original dismantled components are often a more favorable alternative than replacements may be helpful – more information can be found in the article: 5 reasons why a used OEM part is a better choice than a replacement.

Expanding the 4x4 drive system in Land Rover

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 transfer boxes, housings, or related sub-assemblies, check out the available parts in the Land Rover Transfer Cases category.

Summary

Land Rover Discovery 3 L319 2.7 V6 Transfer Box Case is a solution designed for vehicles with a diesel engine and automatic transmission, ensuring proper torque distribution in the 4x4 drive. Choosing a used, original component from the Transfer Cases category allows for a technically correct and economical repair while maintaining the operating characteristics intended by the vehicle manufacturer.