Four Seasons 85620 Engine Coolant Thermostat Housing

Thermostat Housing for Saturn Cooling Systems

Four Seasons 85620 is an integrated engine coolant thermostat housing built for Saturn applications that use a thermostat-in-housing design. It is made from aluminum and includes the thermostat, making it a direct replacement option for service work on Saturn SC1, SC2, SL, SL1, SL2, SW1, and SW2 models.

Key Features

• Integrated thermostat housing design for engine coolant service
• Aluminum construction for corrosion resistance and durability
• Thermostat included for a complete housing assembly
• Meets or exceeds OEM requirements
• Four Seasons thermostat housing 85620 for Saturn cooling system repair
• Cross-references Valeo 815620 for the same application

Product Details

This Four Seasons thermostat housing is engineered as an engine coolant component for Saturn vehicles that require a thermostat housing assembly with the thermostat installed. The housing uses an aluminum body with a 2.46-inch bolt hole center-to-center spacing, a .962-inch inlet port diameter, a 0.345-inch flange thickness, and an overall height of 2.555 inches. Four Seasons 85620 is listed as an OE-quality replacement and is built for Saturn SC1, SC2, SL, SL1, SL2, SW1, SW2, and SC models across the 1991-2002 model years.

Vehicle Fitment

• Fits 1993-2002 Saturn SC1, w/ Thermostat; Thermostat Housing
• Fits 1993-2002 Saturn SC2, w/ Thermostat; Thermostat Housing
• Fits 1991-2002 Saturn SL, w/ Thermostat; Thermostat Housing
• Fits 1991-2002 Saturn SL1, w/ Thermostat; Thermostat Housing
• Fits 1991-2002 Saturn SL2, w/ Thermostat; Thermostat Housing
• Fits 1993-2001 Saturn SW2, w/ Thermostat; Thermostat Housing
• Fits 1993-1999 Saturn SW1, w/ Thermostat; Thermostat Housing
• Fits 1991-1992 Saturn SC, w/ Thermostat; Thermostat Housing

Common Repair Uses

• Replacing a cracked or warped thermostat housing
• Restoring proper engine coolant flow control
• Addressing coolant leaks at the housing interface
• Repairing overheating caused by a faulty thermostat assembly
• Servicing a Saturn cooling system with an integrated thermostat design

Installation Notes and Tips

Verify the housing style, inlet diameter, and bolt-hole spacing before installation. The gasket or seal is not included, so the sealing surface should be cleaned thoroughly and the correct seal selected for the application. Because this assembly includes the thermostat, confirm the replacement matches the original thermostat-housing configuration on your Saturn SC1, SC2, SL, SL1, SL2, SW1, SW2, or SC.

Quality Assurance

Four Seasons 85620 is manufactured to meet or exceed OEM specifications for the listed Saturn applications. The aluminum construction and integrated thermostat design support accurate replacement of the original engine coolant thermostat housing.