Motorad 474-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Buick and Chevrolet Vehicles

The Motorad Standard 474-180 engine coolant thermostat is designed to maintain optimal engine temperature for select Buick, Chevrolet, Oldsmobile, and Pontiac models. This thermostat ensures proper coolant flow by opening at 180 degrees Fahrenheit, helping to prevent engine overheating and improve performance.

• Sealing flange outside diameter: 1.73 inches
• Height between flanges: 1.05 inches
• Overall height: 1.5 inches
• Flange thickness: 0.05 inches
• Standard type thermostat with 180°F start to open temperature
• No gasket or seal included
• No jiggle pin weep hole
• Installation tool not included

Product Details and Specifications

The Motorad Standard 474-180 thermostat is engineered to meet the cooling system requirements of various GM vehicles, including Buick Achieva, Chevrolet Cavalier, and Pontiac Grand Am. Its 180-degree Fahrenheit opening temperature allows the engine to reach optimal operating temperature efficiently. The thermostat features a sealing flange with an outside diameter of 1.73 inches and a flange thickness of 0.05 inches, ensuring a secure fit within the housing. The height between flanges is 1.05 inches, with an overall height of 1.5 inches, designed to match OEM specifications for proper installation and function.

About the Motorad Standard Product Line

The Standard line from Motorad offers dependable engine cooling components designed to meet original equipment specifications. This product line focuses on providing reliable performance and fitment for a range of vehicles, including those from Buick, Chevrolet, Oldsmobile, and Pontiac. The 474-180 thermostat is part of this line, delivering consistent temperature regulation without additional features such as jiggle pins or included gaskets, suitable for users who prefer OEM-style replacements.

Common Applications and Problem Resolution

• Prevents engine overheating by regulating coolant flow
• Helps maintain consistent engine operating temperature
• Replaces faulty or stuck thermostats causing poor heater performance
• Addresses coolant circulation issues in Buick Achieva and Chevrolet Malibu models
• Restores proper thermostat function in Pontiac Sunfire and Oldsmobile Skylark

Installation Notes and Tips

Installation of the Motorad Standard 474-180 thermostat requires removal of the old thermostat and careful placement to ensure the sealing flange fits correctly. Note that this thermostat does not include a gasket or seal, so a compatible gasket should be sourced separately. No installation tool is provided, so standard hand tools and proper torque specifications should be used to avoid leaks or damage. Verify the thermostat orientation matches OEM guidelines for optimal performance.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to quality control processes to ensure reliable operation in compatible Buick, Chevrolet, Oldsmobile, and Pontiac vehicles. Always consult product documentation or supplier information for warranty coverage.