Motorad 938-189 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 938-189

The Motorad Integrated Housing Thermostat 938-189 is designed for precise engine temperature regulation in select Audi and Volkswagen models. This thermostat housing assembly ensures reliable coolant flow management, helping maintain optimal engine performance and efficiency.

• Compatible with Audi Q5, Q7 and Volkswagen Touareg models
• Integrated Housing Thermostat product line for streamlined cooling system integration
• Thermostat opening temperature at 189°F for accurate temperature control
• Durable construction using plastic, stainless steel, and copper materials
• Includes a rubber gasket/seal for secure, leak-free installation
• Three bolt holes for secure mounting
• Two outlet ports with diameters of 1.50 inches and 0.92 inches

Detailed Product Description

The Motorad 938-189 thermostat housing assembly is part of the Integrated Housing Thermostat line, which combines the thermostat and housing into a single unit for improved reliability and simplified installation. This assembly is engineered with a combination of plastic, stainless steel, and copper components to withstand engine heat and pressure. The thermostat opens at 189 degrees Fahrenheit, ensuring coolant flow begins at the correct engine temperature to prevent overheating or inefficient operation.

Featuring three bolt holes, this housing provides a secure fit on compatible engines. The included rubber gasket ensures a tight seal between the housing and engine block, reducing the risk of coolant leaks. The assembly has two outlet ports sized at 1.50 inches and 0.92 inches, designed to match the coolant hose connections on Audi Q5, Q7, and Volkswagen Touareg vehicles.

Applications and Common Issues Addressed

• Replacement for faulty or leaking thermostat housing assemblies
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged seals
• Restores proper coolant flow in Audi Q5, Q7, and Volkswagen Touareg cooling systems
• Addresses inconsistent engine temperature regulation

Installation Notes and Tips

This thermostat housing assembly does not include mounting hardware or installation tools, so ensure you have the necessary bolts and tools before beginning installation. The included rubber gasket should be carefully positioned to avoid leaks. Verify the thermostat opening temperature matches your vehicle’s specifications (189°F) before installation. Proper torque on the three mounting bolts is essential to prevent damage or leaks.

Quality Assurance and Warranty

Motorad manufactures this thermostat housing assembly to meet OEM standards for fit and function. The use of durable materials such as stainless steel and copper contributes to long service life. The product includes a rubber gasket to ensure a reliable seal. Warranty information is subject to Motorad’s standard terms and conditions; please consult the manufacturer or distributor for specific warranty details.