Motorad 993-176 Engine Coolant Thermostat Housing Assembly

Reliable Engine Coolant Thermostat Housing Assembly

The Motorad Integrated Housing Thermostat 993-176 is designed to maintain optimal engine temperature for a range of vehicles including Buick, Chevrolet, GMC, Lexus, and Toyota models. This thermostat housing assembly ensures precise temperature regulation at 176 degrees Fahrenheit, contributing to efficient engine cooling performance.

• Constructed from durable aluminum, steel, and copper materials
• Silver finish for corrosion resistance and longevity
• Includes a bleeder hole for effective air release
• Designed with 2 bolt holes and 1 outlet port (1.18 inch diameter)
• Regular grade type thermostat for standard engine cooling needs

About the Motorad Integrated Housing Thermostat Line

The Integrated Housing Thermostat product line by Motorad focuses on combining the thermostat and housing into a single assembly. This design simplifies installation and replacement while maintaining reliable temperature control. The 993-176 part number represents a regular grade thermostat housing assembly engineered for compatibility with multiple vehicle makes and models, ensuring consistent engine coolant flow and temperature regulation.

Detailed Product Description

This engine coolant thermostat housing assembly is crafted from a combination of aluminum, steel, and copper, providing strength and resistance to corrosion. The silver color finish enhances durability under high-temperature conditions. Featuring a bleeder hole, the housing allows trapped air to escape, preventing air pockets that can affect cooling system efficiency. The assembly includes two bolt holes for secure mounting and a single outlet port with a diameter of 1.18 inches, designed to fit specific coolant hose sizes. The thermostat is calibrated to open at 176 degrees Fahrenheit, suitable for maintaining optimal engine operating temperatures in compatible vehicles.

Compatible Vehicles and Applications

• Buick Encore, Enclave
• Chevrolet Cruze, Malibu, Sonic, Spark, Spark Classic, Volt, Equinox, Terrain, Trax
• GMC Terrain
• Lexus GX550, LX600, LX700h
• Toyota Sequoia, Tundra

This part is ideal for replacing worn or faulty thermostat housings in these models to restore proper engine temperature control.

Common Issues Addressed by This Thermostat Housing Assembly

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or cracked housing
• Air trapped in the cooling system causing inefficient cooling
• Inconsistent engine temperature regulation
• Corrosion-related housing deterioration

Installation Notes and Tips

Note that mounting hardware and gasket or seal are not included with this assembly and must be sourced separately. Ensure the cooling system is fully drained before removal. Clean the mounting surface thoroughly to prevent leaks. The bleeder hole should be positioned correctly to allow air to escape during installation. Use appropriate torque specifications for the two bolt holes to avoid damage. No special installation tools are included with this part.

Quality Assurance and Warranty

The Motorad 993-176 thermostat housing assembly is manufactured to meet OEM specifications for fit and function. While no specific warranty information is provided, Motorad products typically adhere to industry standards for durability and performance. Proper installation and maintenance will help ensure reliable operation within the specified temperature range.