Range Rover L322 Automatic Transmission Gearbox Oil Cooler 3.6 Diesel UBC500120

The Range Rover L322 Automatic Transmission Oil Cooler TDV8 3.6 is a component from the Oil Coolers and Hoses group, designed to work with diesel engines and automatic transmissions. It is responsible for stabilizing the transmission oil temperature, which translates to smoother drivetrain operation and reduced risk of overheating during intensive use.

Specifications and technical data

• SKU: UBC500120
• Mark: Range Rover
• Condition: Used
• OEM Part Number: UBC500120
• Substitutable numbers: UBC500120, ETP11252
• Fuel type: Diesel
• Gearbox type: Automatic
• Part type: Oil Cooler
• Category: Oil Coolers & Lines

Purpose and Function in the Drivetrain

The transmission oil cooler in the Range Rover L322 with the TDV8 3.6 unit operates within the transmission fluid circuit, dissipating excess heat generated during gear changes and under load. In conjunction with the automatic transmission, it ensures stable operating conditions, which promotes proper lubrication and reduces wear on friction components.

For diesel engines, maintaining the correct transmission oil temperature is particularly important during prolonged highway driving, towing a trailer, or off-road excursions. An efficient oil cooler helps prevent performance drops, gear jerking, and transmission overheating errors.

Benefits of Using a Dedicated Oil Cooler

Using a dedicated component for the Range Rover L322 ensures compatibility with the factory drivetrain characteristics. A properly selected oil cooler:

• supports maintaining a stable oil temperature in the automatic transmission,
• reduces the risk of overheating during driving in challenging conditions,
• promotes smooth transmission operation under the high torque of a diesel engine,
• helps extend the lifespan of the transmission fluid and internal transmission components.

Therefore, replacing a worn-out cooler with a functional part from the same product group is a sensible solution when experiencing symptoms of overheating, performance loss, or after repairs related to the drivetrain.

Integration with the Cooling and Oil Systems

The automatic transmission oil cooler works in conjunction with other components of the cooling system and the transmission fluid circuit. A properly functioning unit:

• ensures predictable operating conditions for the transmission control unit,
• stabilizes oil temperature across a wide range of loads,
• reduces performance drops during frequent gear changes.

For diesel engines like the TDV8 3.6, this is especially crucial under high thermal loads, typical of off-road driving, towing, or dynamic acceleration.

Component Condition and Practical Application

The offered oil cooler is a used part, allowing for an economical repair while maintaining compatibility with the Range Rover's original design. This solution is particularly beneficial for comprehensive automatic transmission servicing, when oil and other oil cooling system components are also replaced.

To better understand the impact of an efficient cooling system on the durability of the engine and transmission, it is worth consulting a guide on diagnostics and operation – practical tips can be found in the article Engine Cooling System – Overheating, Repair, and Used Coolers.

Support for System Selection and Expansion

If you are planning a comprehensive repair or upgrade of the transmission oil cooling system in your Range Rover and require other components from the same group, such as additional coolers, oil lines, or fittings, check the available parts in the Range Rover Oil Coolers and Hoses category.

When selecting used transmission oil cooling system components, it is also worth paying attention to best practices for purchasing parts from the secondary market – practical advice can be found in the material Buying Used Car Parts – Common Mistakes When Choosing Components for Tuning and Repair.