Motorad 668-212 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 668-212

The Motorad Integrated Housing Thermostat 668-212 is designed for precise engine temperature regulation in select Mercedes-Benz models. This thermostat housing assembly ensures reliable coolant flow management, helping maintain optimal engine performance and prevent overheating.

• Compatible with Mercedes-Benz C230, C250, C280, C300, C350, CLK280, CLK350, CLS350, E280, E300, E350, GLK300, GLK350, ML350, ML450, R350, S400, SLK280, SLK300, SLK350
• Integrated Housing Thermostat product line for streamlined installation and durability
• Constructed from aluminum, stainless steel, and copper for corrosion resistance
• Includes a paper gasket for secure sealing
• Features a bleeder hole and jiggle pin for efficient air release
• Two bolt holes for mounting (bolts not included)
• Single outlet port with 2.02-inch diameter
• Thermostat opens at 212°F to regulate coolant flow

About the Integrated Housing Thermostat Product Line

The Motorad Integrated Housing Thermostat line combines the thermostat and housing into a single assembly, simplifying replacement and reducing potential leak points. This design is engineered to meet the specific cooling system requirements of various Mercedes-Benz vehicles, providing consistent temperature control and improved engine efficiency.

Detailed Product Description

This engine coolant thermostat housing assembly (part number 668-212) is crafted from durable aluminum, stainless steel, and copper materials to withstand high temperatures and resist corrosion. The included paper gasket ensures a tight seal between the housing and engine block, preventing coolant leaks. The thermostat is calibrated to open at 212 degrees Fahrenheit, allowing coolant to circulate once the engine reaches optimal operating temperature. The assembly features a bleeder hole and jiggle pin to facilitate air removal from the cooling system, which helps maintain consistent coolant flow and prevents overheating. With two bolt holes for secure mounting, this housing fits a range of Mercedes-Benz models including the C-Class, E-Class, GLK, ML, and SLK series.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Mercedes-Benz vehicles
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged housing seals
• Improves coolant circulation and engine temperature regulation
• Eliminates air pockets in the cooling system with bleeder hole and jiggle pin

Installation Notes and Tips

• Ensure engine is cool before beginning installation to avoid burns
• Use the included paper gasket and verify proper seating to prevent leaks
• Bolts are not included; reuse original hardware or source appropriate replacements
• Bleed the cooling system after installation to remove trapped air via the bleeder hole
• Check for leaks and proper thermostat operation after installation

Quality Assurance and Warranty

Motorad manufactures this thermostat housing assembly to meet OEM specifications for fit and function. The use of corrosion-resistant materials and inclusion of a quality gasket contribute to long service life. While specific warranty details are not provided, Motorad products typically adhere to industry standards for reliability and durability.