Nissens 91226 Automatic Transmission Oil Cooler

Nissens Automatic Transmission Oil Cooler 91226

The Nissens 91226 automatic transmission oil cooler helps manage transmission fluid temperature in select Porsche Cayenne and Volkswagen Touareg applications. Built with an aluminum core and supplied with a gasket or seal, it supports stable fluid cooling in demanding driving conditions.

Key Features

• Aluminum construction for efficient heat transfer
• Core dimensions: 5.5100 in. length, 4.84 in. width, 2.7600 in. height
• 15-row core design
• 0.43 in. inlet and outlet diameters
• Gasket or seal included
• Direct-fit transmission cooler for select Porsche and Volkswagen applications

Product Details

Part number 91226 is an automatic transmission oil cooler from Nissens, a manufacturer focused on thermal and engine-efficiency components for the aftermarket. This cooler is built to help regulate transmission fluid temperature, which is important for consistent shifting performance and long-term transmission protection. It fits 2015-2018 Porsche Cayenne, WITHOUT HOUSING, and 2015-2017 Volkswagen Touareg. This part cross-references Porsche/VW OE numbers 7P0317037 and 95830703700 for the same application.

Common Issues This Part Addresses

• Transmission fluid running hotter than normal
• Heat-related transmission performance concerns
• Fluid cooling loss from a damaged or leaking cooler
• Replacement needs after corrosion or internal restriction
• Service repair on Porsche Cayenne and Volkswagen Touareg cooling systems

Installation Notes

Verify the vehicle’s cooler layout before ordering, especially on 2015-2018 Porsche Cayenne models marked WITHOUT HOUSING. Confirm inlet and outlet size, mounting style, and OE cross-reference numbers before installation. Replace the gasket or seal during service and inspect surrounding transmission lines and connections for wear or contamination.

Quality Assurance

Nissens develops and manufactures thermal management components to consistent quality standards, with product engineering focused on aftermarket fit and function. Part number 91226 is built to meet the requirements of the listed Porsche Cayenne and Volkswagen Touareg applications.