Motorad 939-189 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 939-189

The Motorad Integrated Housing Thermostat 939-189 is designed specifically for Dodge Sprinter 2500 and Sprinter 3500 models. This engine coolant thermostat housing assembly ensures precise temperature regulation to maintain optimal engine performance and prevent overheating.

• Constructed from durable aluminum, steel, and copper materials
• Silver finish for corrosion resistance and longevity
• Includes a rubber O-ring gasket for a secure seal
• Features a bleeder hole for efficient air release
• Bypass diameter of 1.43 inches and bypass length of 1.08 inches
• Outlet port diameter of 1.27 inches with one outlet port
• Designed to operate at 189 degrees Fahrenheit
• Three bolt holes for secure mounting
• Gasket included, but mounting hardware and installation tools are not included

About the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat line focuses on combining the thermostat and housing into a single assembly, simplifying installation and improving reliability. This design reduces potential leak points and streamlines coolant flow management, making it a practical choice for maintaining the cooling system in Dodge Sprinter 2500 and Sprinter 3500 vehicles.

Detailed Product Description

This engine coolant thermostat housing assembly (part number 939-189) is engineered to meet the cooling system requirements of Dodge Sprinter 2500 and Sprinter 3500 models. The combination of aluminum, steel, and copper materials provides strength and heat resistance, while the silver finish helps resist corrosion. The included rubber O-ring gasket ensures a tight seal to prevent coolant leaks. The thermostat is calibrated to open at 189 degrees Fahrenheit, maintaining proper engine temperature. The bleeder hole allows trapped air to escape, improving coolant circulation and system efficiency. With three bolt holes and a single outlet port, this housing assembly is designed for straightforward installation and reliable operation.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Dodge Sprinter 2500 and 3500
• Prevents engine overheating by maintaining correct coolant flow
• Eliminates coolant leaks caused by worn or damaged gaskets
• Resolves air pockets in the cooling system through the bleeder hole
• Restores proper engine temperature regulation for improved performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Use the included rubber O-ring gasket for sealing; do not reuse old gaskets
• Torque bolts evenly to manufacturer specifications to prevent leaks
• Bleed the cooling system after installation to remove trapped air
• Note that mounting hardware and installation tools are not included and must be sourced separately

Quality Assurance and Warranty

The Motorad Integrated Housing Thermostat 939-189 is manufactured to meet OEM standards for fit and function on Dodge Sprinter 2500 and Sprinter 3500 vehicles. The assembly includes a high-quality rubber gasket to ensure a reliable seal. While specific warranty details are not provided, Motorad products typically adhere to industry quality controls to support durability and performance.