Motorad 461-180 Engine Coolant Thermostat

Overview of Motorad Standard Engine Coolant Thermostat 461-180

The Motorad Standard Engine Coolant Thermostat 461-180 is designed to regulate engine temperature efficiently in various GM and Saab vehicles. This thermostat ensures proper coolant flow by opening at 180 degrees Fahrenheit, helping maintain optimal engine performance and preventing overheating.

• Sealing flange outside diameter: 2.12 inches
• Height between flanges: 1.33 inches
• Overall height: 1.9 inches
• Standard type thermostat with O-ring seal
• Includes a rubber gasket for secure sealing
• Flange thickness: 0.05 inches
• Start to open temperature: 180°F
• No jiggle pin weep hole
• One seal included

Detailed Product Description

This Motorad Standard thermostat (part number 461-180) is engineered to meet the cooling system requirements of select Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Saab, and Saturn models. The thermostat features a 2.12-inch sealing flange outside diameter and a 1.33-inch height between flanges, ensuring a precise fit within the engine coolant housing. Its 1.9-inch overall height and 0.05-inch flange thickness provide durability and compatibility with factory specifications.

The thermostat uses a reliable O-ring seal made of rubber, included with the part, to prevent coolant leaks and maintain system integrity. It opens at a temperature of 180 degrees Fahrenheit, allowing coolant to circulate once the engine reaches optimal operating temperature. This part does not include a jiggle pin weep hole, which is consistent with the original equipment design for the compatible vehicles.

About the Motorad Standard Product Line

The Motorad Standard line offers dependable replacement parts designed to meet original equipment specifications. This Standard engine coolant thermostat provides a balance of quality and value, making it suitable for routine maintenance and repairs on compatible vehicles. The inclusion of a rubber gasket and O-ring seal ensures a secure installation and effective sealing within the cooling system.

Compatible Vehicles and Common Applications

• Buick models including LaCrosse, Regal, and Verano
• Chevrolet models such as Impala, Malibu, Cobalt, and Equinox
• GMC Terrain and other select models
• Oldsmobile and Pontiac vehicles including Grand Am and Sunfire
• Saab 9-3, 9-3X, and 9-5 series
• Saturn Aura, Ion, and Vue

Issues This Thermostat Addresses

• Engine overheating due to thermostat failure
• Inconsistent engine temperature regulation
• Coolant leaks from worn or damaged seals
• Poor heater performance caused by stuck thermostat
• Reduced fuel efficiency from improper engine temperature

Installation Notes and Tips

• Ensure the engine is cool before removing the old thermostat
• Clean the thermostat housing flange surface before installation
• Use the included rubber gasket and O-ring seal for proper sealing
• Torque bolts to manufacturer specifications to avoid leaks
• No special installation tool is required for this part

Quality Assurance and Warranty

The Motorad Standard 461-180 thermostat is manufactured to meet or exceed OEM standards for fit and function. It includes a rubber gasket and O-ring seal to ensure a leak-free installation. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliability and durability in automotive cooling systems.