Nissens 91164 Automatic Transmission Oil Cooler - Front

Nissens 91164 Automatic Transmission Oil Cooler

The Nissens 91164 automatic transmission oil cooler is built for front-mounted applications on select Porsche models. It uses an aluminum construction with integrated sealing support to help maintain transmission fluid temperature control in demanding driving conditions.

• Aluminum cooler construction
• Core dimensions: 3.1100 in. height, 3.9000 in. width, 6.4600 in. length
• 26-row core design
• 0.63 in. inlet and outlet diameters
• Gasket or seal included
• Front position installation

Fitment for Porsche Applications

• Fits 2006-2012 Porsche Cayman, front
• Fits 1997-2008 Porsche Boxster, front
• Fits 1999-2001 Porsche 911, front

Product Details

Built by Nissens, part number 91164 is an automatic transmission oil cooler developed for thermal management in Porsche Cayman, Porsche Boxster, and Porsche 911 applications. The aluminum core and 26-row layout support fluid cooling in the transmission circuit, while the included gasket or seal helps support a proper connection at installation. This part cross-references Porsche OE numbers 99630701700 and 99630701701 for the same application.

Common Issues This Part May Address

• Transmission fluid running hotter than normal
• Cooling loss caused by a leaking or damaged oil cooler
• Reduced transmission temperature control during driving
• Seal-related seepage at the cooler connection
• Replacement needs for front-mounted Porsche transmission cooling systems

Installation Notes and Quality Assurance

Verify the front-mounted location, inlet and outlet size, and vehicle application before installation. Inspect mating surfaces and replace worn seals as needed to help prevent leaks. Nissens develops and manufactures thermal management components to consistent quality standards, and the 91164 reflects that focus on OE-style fit and function for Porsche transmission cooling service.