Motorad 931-203 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 931-203

The Motorad Integrated Housing Thermostat 931-203 is engineered for reliable engine temperature regulation in select Buick, Cadillac, Chevrolet, and GMC vehicles. Designed to maintain optimal coolant flow, this thermostat housing assembly supports efficient engine performance and helps prevent overheating.

• Compatible with Buick LaCrosse and Cadillac ATS models
• Fits Chevrolet Colorado, Malibu, and S10 vehicles
• Engine coolant thermostat housing assembly with integrated thermostat
• Constructed from durable aluminum, stainless steel, and copper materials
• Includes a rubber gasket for a secure seal
• Operates at a precise opening temperature of 203°F
• Features two bolt holes for mounting stability
• Single outlet port with 1.19-inch diameter

Detailed Product Description

This Motorad Integrated Housing Thermostat 931-203 combines the thermostat and housing into a single assembly, simplifying installation and improving reliability. The housing is crafted from a blend of aluminum, stainless steel, and copper, providing corrosion resistance and durability under high-temperature conditions. The included rubber gasket ensures a tight seal to prevent coolant leaks. Designed to open at 203 degrees Fahrenheit, this thermostat maintains consistent engine temperature control, which is critical for the proper operation of Buick, Cadillac, Chevrolet, and GMC engines. The assembly features two bolt holes for secure mounting and a single outlet port with a 1.19-inch diameter to match factory specifications.

About the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat line integrates the thermostat directly into the housing assembly, reducing the number of components and potential leak points. This design streamlines the cooling system maintenance process and enhances the reliability of temperature regulation. The 931-203 part exemplifies this approach, offering a factory-style replacement for compatible vehicles.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Buick LaCrosse and Cadillac ATS
• Restores proper engine temperature regulation in Chevrolet Colorado and Malibu
• Prevents engine overheating caused by stuck thermostats in GMC S10
• Eliminates coolant leaks due to worn or damaged seals
• Improves coolant flow consistency for better engine performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included rubber gasket to achieve a proper seal and prevent leaks
• Torque bolts to manufacturer specifications; bolts are not included with this part
• Inspect surrounding hoses and connections for wear during installation
• Bleeder hole is not present; follow vehicle-specific procedures to remove air from the cooling system

Quality Assurance and Warranty

The Motorad Integrated Housing Thermostat 931-203 is manufactured to meet OEM standards for fit, form, and function. While hardware and bolts are not included, the assembly includes a high-quality rubber gasket to ensure a reliable seal. This part is designed for durability and consistent performance in the specified Buick, Cadillac, Chevrolet, and GMC models. Please refer to Motorad's warranty policy for coverage details.