Motorad 989-189 Engine Coolant Thermostat Housing Assembly

Overview of Motorad Integrated Housing Thermostat 989-189

The Motorad Integrated Housing Thermostat 989-189 is designed specifically for Mercedes-Benz AMG models, including the CL55 AMG, CLS55 AMG, E55 AMG, G55 AMG, S55 AMG, and SL55 AMG. This engine coolant thermostat housing assembly ensures precise temperature regulation to maintain optimal engine performance.

• 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
• Designed with a 1.67-inch outlet diameter and 1.69-inch bypass diameter
• Operates at a temperature of 189°F for accurate coolant flow control
• Features two bolt holes for secure mounting
• Compatible with specific Mercedes-Benz AMG models

Detailed Product Description

The Motorad Integrated Housing Thermostat 989-189 is an engine coolant thermostat housing assembly engineered to meet the cooling system requirements of select Mercedes-Benz AMG vehicles. Made from a combination of aluminum, steel, and copper, this thermostat housing offers strength and heat resistance necessary for reliable engine temperature management. The silver color finish provides additional protection against corrosion. The assembly includes a rubber O-ring gasket to ensure a tight seal and prevent coolant leaks. With a bypass diameter of 1.69 inches and an outlet diameter of 1.67 inches, it facilitates proper coolant circulation. The thermostat is calibrated to open at 189 degrees Fahrenheit, maintaining the engine within its optimal operating temperature range.

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 the cooling system maintenance process. The 989-189 part number is part of this line, providing a direct replacement solution for Mercedes-Benz AMG models requiring precise temperature control and durable construction.

Common Applications and Issues Addressed

• Replacement for faulty or leaking thermostat housings in Mercedes-Benz AMG vehicles
• Resolves engine overheating caused by thermostat failure
• Prevents coolant leaks due to worn or damaged seals
• Maintains consistent engine temperature for optimal performance
• Addresses coolant flow restrictions from damaged or corroded housings

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 O-ring gasket should be properly seated to prevent leaks. It is recommended to drain the coolant system before removal and refill with fresh coolant after installation. Verify compatibility with your specific Mercedes-Benz AMG model to ensure proper fitment.

Quality Assurance and Warranty

Motorad manufactures this thermostat housing assembly to meet OEM specifications for durability and performance. The use of high-quality materials such as aluminum, steel, and copper contributes to long service life. The product includes a rubber O-ring gasket to maintain a secure seal. Warranty details are subject to Motorad's standard coverage policies; please consult the manufacturer or distributor for specific warranty information.