Nissens 91129 Automatic Transmission Oil Cooler

Nissens 91129 Automatic Transmission Oil Cooler

The Nissens 91129 automatic transmission oil cooler is built for vehicles that need stable transmission fluid temperatures and reliable heat transfer. Made from aluminum with an included gasket or seal, it is a direct-fit cooling component for select Volkswagen applications, including Passat, Beetle, Golf, Golf SportWagen, and Jetta models.

Key Features

• Aluminum construction for efficient thermal transfer
• Automatic transmission oil cooler for fluid temperature control
• Core dimensions: 5.5500 length, 2.8000 height, 1.9700 width
• 13-core row design
• Inlet diameter: 0.39; outlet diameter: 0.47
• Gasket or seal included
• Cross-reference: 09G409061E

Detailed Description

Built by Nissens, part number 91129 reflects the brand’s focus on thermal management components for modern vehicles. This automatic transmission oil cooler is engineered for Volkswagen models that require dependable transmission fluid cooling, including 2015-2020 Volkswagen Passat, 2015-2019 Volkswagen Beetle, 2015-2018 Volkswagen Golf, 2015-2018 Volkswagen Golf SportWagen, and 2015-2018 Volkswagen Jetta. It also fits 2021-2022 Volkswagen Passat, without housing. The aluminum core and compact dimensions support efficient heat exchange in a space-conscious design, while the included gasket or seal helps support a proper replacement installation. Nissens 91129 is a practical OE-style solution for drivers and repair shops servicing Volkswagen automatic transmission cooling systems.

Common Uses

• Replacing a leaking or damaged automatic transmission oil cooler
• Restoring transmission fluid temperature control
• Addressing overheating concerns in the transmission cooling circuit
• Repairing cooling-system-related fluid loss at the cooler connection points
• Servicing Volkswagen Passat, Beetle, Golf, Golf SportWagen, or Jetta transmission cooling systems

Installation Notes

Verify vehicle application by year, model, and configuration before installation. This part fits 2021-2022 Volkswagen Passat, without housing, and also fits 2015-2020 Volkswagen Passat, 2015-2019 Volkswagen Beetle, 2015-2018 Volkswagen Golf, 2015-2018 Volkswagen Golf SportWagen, and 2015-2018 Volkswagen Jetta. Inspect mating surfaces, flush the transmission cooler circuit as needed, and replace any worn seals or related components during service. Confirm inlet and outlet sizing before assembly.

Quality Assurance

Nissens develops and manufactures thermal management components to consistent quality standards across its aftermarket range. Part number 91129 is produced as a replacement transmission oil cooler for the listed Volkswagen applications and cross-references OE number 09G409061E.