Motorad 785-217 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 785-217

The Motorad Integrated Housing Thermostat 785-217 is designed for precise engine temperature regulation in select Mercedes-Benz models. This engine coolant thermostat housing assembly ensures reliable cooling system performance and helps maintain optimal engine operation.

• Material composition: durable plastic, steel, and copper
• Black color finish for corrosion resistance
• Includes a rubber O-ring gasket for a secure seal
• Designed with three bolt holes and three outlet ports
• Thermostat temperature rating of 217°F for accurate temperature control
• Compatible with multiple Mercedes-Benz models including C-Class, E-Class, CLS, GLE, GLK, ML, S-Class, and SLK

Details on the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat product line focuses on combining the thermostat and housing into a single assembly. This integration simplifies installation and reduces potential leak points by using a pre-assembled unit. The 785-217 part number represents this approach, providing a ready-to-install solution that meets the cooling system requirements of various Mercedes-Benz vehicles.

Product Description and Specifications

This engine coolant thermostat housing assembly is constructed from a combination of plastic, steel, and copper materials to balance durability and heat resistance. The black finish helps protect against corrosion. It features three outlet ports with diameters of 1.01 inches, 1.73 inches, and 2.05 inches, accommodating the specific coolant flow paths in compatible vehicles. The included rubber O-ring gasket ensures a tight seal to prevent coolant leaks. The thermostat is calibrated to open at 217 degrees Fahrenheit, maintaining proper engine temperature for efficient performance.

Compatible Vehicles and Common Applications

• Mercedes-Benz C280, C300, C350
• Mercedes-Benz CLS350, CLS400
• Mercedes-Benz E250, E300, E350, E400
• Mercedes-Benz GLE350, GLE500
• Mercedes-Benz GLK300, GLK350
• Mercedes-Benz ML350
• Mercedes-Benz S400, S400L
• Mercedes-Benz SLK350

This part is used to address issues such as:

• Engine overheating due to thermostat failure
• Coolant leaks from damaged or worn housing seals
• Inconsistent engine temperature regulation
• Reduced cooling system efficiency
• Thermostat sticking or improper opening temperature

Installation Notes and Tips

Installation of the Motorad 785-217 thermostat housing assembly requires removal of the old thermostat housing and careful cleaning of the mounting surface. The included rubber O-ring gasket should be properly seated to ensure a leak-free seal. Note that mounting hardware and installation tools are not included, so existing bolts and appropriate tools will be necessary. Verify compatibility with your specific Mercedes-Benz model before installation.

Quality Assurance and Warranty

Motorad manufactures this Integrated Housing Thermostat assembly to meet OEM specifications for fit and function. The use of quality materials such as steel, copper, and durable plastics supports long-term reliability. The part includes a rubber O-ring gasket to maintain sealing integrity. While specific warranty details are not provided, Motorad products typically adhere to industry standards for quality and durability.