Motorad 7474-180 Engine Coolant Thermostat

Motorad Fail-Safe 180°F Thermostat

The Motorad Fail-Safe Engine Coolant Thermostat, part number 7474-180, is built for precise coolant temperature control in demanding cooling systems. It uses OEM-quality materials and OE-supplier manufacturing standards to deliver consistent response as coolant temperature changes.

This 180 degree thermostat is a direct-fit style replacement for select Chevrolet, Pontiac, Oldsmobile, and Buick applications, including Chevrolet Cavalier, Pontiac Sunfire, and Pontiac Grand Am models. The Fail-Safe design is intended to maintain coolant flow in an overheating event, helping protect the engine while the vehicle is being diagnosed.

Key Features

• 180°F thermostat calibration for standard operating temperature control
• Fail-Safe design that allows continuous coolant flow during overheating situations
• Copper case and wax compound for fast reaction to coolant temperature changes
• Manufactured to OEM specifications and processes
• Offset design with air relief valve and OEM-style seals where applicable
• Part number 7474-180 for catalog and cross-reference lookup

Product Details

Motorad’s Fail-Safe line focuses on replacement thermostats engineered for OE-style fit and function. This thermostat is designed for vehicles that require a 180°F coolant control point and uses a copper case with wax-element construction to respond quickly as engine temperature rises and falls. The offset design and air relief valve support proper coolant circulation and help reduce trapped air during service.

This part cross-references 74748 and P474-180 for the same application. It is listed for fitment on 1995-2002 Chevrolet Cavalier, 1995-2002 Pontiac Sunfire, 1999-2001 Oldsmobile Alero, 1994-2001 Pontiac Grand Am, 1997-1999 Chevrolet Malibu, 1994-1998 Buick Skylark, and 1994-1998 Oldsmobile Achieva. If you are searching for a 180F thermostat for Chevrolet Cavalier or Pontiac Sunfire cooling system service, 7474-180 is the catalog number to verify.

Common Uses

• Engine temperature regulation when the thermostat is sticking open or closed
• Overheating diagnosis on a Chevrolet Cavalier, Pontiac Sunfire, or Pontiac Grand Am
• Coolant flow control after thermostat-related temperature fluctuation
• Replacement during cooling system service on 1994-2002 GM compact and midsize vehicles

Installation Notes

Confirm the housing style, sealing flange diameter, and temperature rating before installation. This thermostat does not include a gasket or seal, and no installation tool is included. Clean the mating surfaces thoroughly, inspect the housing for corrosion or warpage, and follow the vehicle service procedure for coolant refill and air bleeding.

Quality Assurance

Motorad manufactures this thermostat with OEM-quality materials and OE-supplier standards. It is produced to OEM specifications and processes for consistent cooling-system performance in the listed applications.