Nissens 90837 Automatic Transmission Oil Cooler

Nissens 90837 Automatic Transmission Oil Cooler

The Nissens 90837 automatic transmission oil cooler is built with an aluminum core for efficient fluid temperature control in the transmission cooling circuit. It is a direct-fit option for BMW X5 and BMW X6 applications from 2015-2019, with OE-style dimensions and connection sizing for a precise replacement.

Key Features

• Aluminum construction for durable heat transfer performance
• Core dimensions: 15.5100 in. length, 3.1100 in. height, and 1.4200 in. width
• 17-row core design
• Inlet and outlet diameter: 0.73 in.
• Fits 2015-2019 BMW X6 and 2015-2018 BMW X5
• Part number 90837 for easy identification and ordering

Detailed Description

Nissens 90837 is an automatic transmission oil cooler engineered for BMW X5 and BMW X6 models in the listed fitment range. The aluminum core supports heat exchange in the transmission cooling system, helping maintain stable fluid temperatures during normal driving and under load. With matched inlet and outlet sizing and compact core dimensions, this cooler is suited for OE-style replacement work where fitment accuracy matters. Nissens develops thermal management components to high manufacturing standards, and this part reflects that focus on consistent construction and application-specific design. This part cross-references URO 17217553389 for the same application.

What It Helps Address

• Transmission fluid running hotter than normal
• Cooling system leakage at the transmission cooler assembly
• Reduced cooling efficiency from a worn or damaged cooler
• Fitment issues when replacing the original BMW X5 or BMW X6 cooler
• Service needs tied to aging thermal management components

Installation Notes and Tips

Verify the vehicle application against the listed fitment before installation. Confirm inlet and outlet diameter, core dimensions, and mounting layout against the original unit on the BMW X5 or BMW X6. Inspect surrounding transmission cooler lines and seals during service, since gasket or seal is not included. Proper system inspection helps ensure a clean replacement and reliable operation.

Quality Assurance

Nissens manufactures thermal and engine efficiency components with a focus on consistent quality and application-specific fitment. Part number 90837 is built to meet the needs of BMW X5 and BMW X6 transmission cooling service using an aluminum-core design.