Nissens 90845 Engine Oil Cooler

Nissens 90845 Engine Oil Cooler

The Nissens 90845 engine oil cooler is built for Land Rover applications that need stable oil temperature control and reliable thermal performance. With an aluminum core and OE-style fitment, it supports consistent engine lubrication in demanding driving conditions.

Key Features

• Aluminum construction for efficient heat transfer and corrosion resistance
• Core dimensions: 3.7400 in. height, 2.9900 in. width, 4.96 in. length
• Designed as an engine oil cooler for thermal management in the lubrication circuit
• Includes 1 O-ring for sealing at the specified connection point
• Fits 2003-2009 Land Rover Range Rover, 2005-2009 Land Rover LR3, and 2006-2009 Land Rover Range Rover Sport

Detailed Description

Nissens 90845 is an engine oil cooler engineered for Land Rover Range Rover, LR3, and Range Rover Sport models within the listed years. The aluminum core helps transfer heat away from engine oil, supporting proper operating temperature and helping maintain oil performance under load. This part number, 90845, is a direct-fit style replacement for vehicles that use the specified cooler configuration.

Nissens develops thermal management components with a focus on aftermarket fit and manufacturing consistency. This oil cooler is intended for drivers and repair shops servicing 2003-2009 Land Rover Range Rover, 2005-2009 Land Rover LR3, and 2006-2009 Land Rover Range Rover Sport vehicles that require a replacement cooler matching the original application.

This part cross-references OE numbers 4H236A642BA and 4526544 for the same application.

What It Helps Address

• Oil temperature rise during towing, stop-and-go traffic, or extended driving
• Loss of cooling efficiency from a leaking or restricted oil cooler
• Oil contamination concerns caused by a damaged cooler core
• Temperature-related stress on engine lubrication components
• Fitment issues when replacing the original Land Rover oil cooler

Installation Notes and Tips

Verify the original cooler dimensions, connection style, and OE reference before installation. Inspect the sealing surface and replace the O-ring at the mating point to help prevent leaks. Flush the system as needed if the previous cooler failed due to contamination or internal blockage.

Quality Assurance

Nissens is a recognized manufacturer of thermal and engine efficiency components, and this part is produced to the brand’s quality standards for aftermarket service. The 90845 oil cooler is built for the listed Land Rover applications and follows the dimensional and material requirements shown above.