Motorad 735-180 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Cadillac and Chevrolet

The Motorad Standard 735-180 engine coolant thermostat is designed to maintain optimal engine temperature for select Cadillac and Chevrolet models. Engineered with precision, this thermostat ensures efficient coolant flow and temperature regulation to support engine performance and longevity.

• Sealing flange outside diameter: 1.56 inches
• Height between flanges: 1.49 inches
• Overall height: 2.13 inches
• Standard type thermostat with jiggle pin weep hole
• Start to open temperature: 180°F
• Includes rubber O-ring seal and gasket
• Installation tool included for ease of replacement
• Compatible with Cadillac ATS, CTS, STS and Chevrolet Camaro

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. This product line focuses on delivering reliable performance and fitment for a range of vehicles, including the 735-180 thermostat which is engineered to provide consistent temperature control and sealing integrity for Cadillac and Chevrolet engines.

Product Details and Specifications

The 735-180 thermostat features a sealing flange with an outside diameter of 1.56 inches and a height between flanges of 1.49 inches, ensuring a precise fit within the cooling system. Its overall height is 2.13 inches, making it compatible with the specified vehicle models. The thermostat opens at 180 degrees Fahrenheit, allowing coolant to circulate once the engine reaches optimal operating temperature. The included rubber O-ring seal and gasket provide a secure, leak-free installation. Additionally, the jiggle pin weep hole helps prevent air pockets in the cooling system, promoting efficient coolant flow and temperature regulation.

Common Applications and Issues Addressed

• Maintains proper engine operating temperature for Cadillac ATS, CTS, STS, and Chevrolet Camaro
• Prevents engine overheating by regulating coolant flow
• Eliminates coolant leaks with included rubber gasket and O-ring seal
• Reduces risk of engine damage caused by thermostat failure
• Helps avoid poor heater performance due to thermostat malfunction

Installation Notes and Tips

The Motorad 735-180 thermostat includes an installation tool to facilitate proper placement and secure fitting. When replacing the thermostat, ensure the engine is cool and the cooling system is depressurized. Remove the old thermostat and clean the housing surface thoroughly before installing the new unit with the included gasket and O-ring. Verify the jiggle pin is positioned correctly to allow air bleed during operation. Proper torque specifications should be followed to avoid leaks or damage.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet industry standards for durability and performance. The 735-180 thermostat is constructed with quality materials including a rubber gasket and O-ring seal to ensure a reliable, leak-free seal. While specific warranty details are not provided, Motorad products typically adhere to OEM quality requirements, supporting dependable engine cooling system operation.