Motorad 307-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Select GM Vehicles

The Motorad Standard 307-180 engine coolant thermostat is designed to maintain optimal engine temperature for improved performance and longevity. Compatible with various Buick, Cadillac, Chevrolet, and Pontiac models, this thermostat ensures precise temperature regulation starting at 180°F.

• Sealing flange outside diameter: 2.13 inches
• Height between flanges: 1.51 inches
• Overall height: 2.16 inches
• Standard type thermostat with jiggle pin weep hole
• Includes rubber gasket with O-ring seal for secure fit
• Bypass diameter: 1.18 inches; bypass length: 1.45 inches
• Flange thickness: 0.05 inches
• Start to open temperature: 180°F
• One seal included; installation tool not included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet original equipment specifications. This product line focuses on delivering consistent performance and fitment for a range of GM vehicles, including the Camaro, Caprice, Corvette, and Firebird. The 307-180 thermostat is engineered to provide reliable temperature control within this trusted product range.

Product Details and Specifications

This engine coolant thermostat features a sealing flange outside diameter of 2.13 inches and a height between flanges of 1.51 inches, ensuring proper fit within the cooling system. The thermostat opens at 180 degrees Fahrenheit, allowing coolant flow to regulate engine temperature effectively. It includes a jiggle pin weep hole to prevent air locks and a rubber gasket with an O-ring seal to maintain a tight, leak-free connection. The bypass diameter measures 1.18 inches with a length of 1.45 inches, supporting proper coolant circulation during engine warm-up.

Compatible Vehicles and Common Applications

• Buick models including Roadmaster and Fleetwood
• Cadillac models such as the Fleetwood
• Chevrolet models including Camaro, Caprice, and Impala
• Pontiac models like Firebird and Commercial Chassis
• Corvette and other GM vehicles requiring a 180°F thermostat

Installation Notes and Tips

Installation of the Motorad Standard 307-180 thermostat requires removal of the old thermostat and gasket. Ensure the sealing surfaces are clean and free of debris before installing the new thermostat and rubber gasket. The included O-ring seal helps prevent leaks, but proper torque on housing bolts is essential. Note that no installation tool is included, so use appropriate hand tools for removal and installation.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet or exceed OEM specifications for durability and performance. This thermostat includes a rubber gasket and O-ring seal to ensure a secure fit and leak prevention. While specific warranty details are not provided, Motorad products typically adhere to industry standards for quality and reliability.