Rein CTA0064 Engine Coolant Thermostat Housing Assembly

OE-Quality Thermostat Housing Assembly

Rein CTA0064 is an engine coolant thermostat housing assembly built for OE-style fit, form, and function. It is calibrated to open at 100 degrees and includes a gasket or seal for a cleaner service replacement on select Mercedes-Benz cooling systems.

Key Features

• Engine coolant thermostat housing assembly for standard replacement service
• Start-to-open temperature: 100 degrees
• Gasket or seal included
• Mounting hardware not included
• Built with high-quality metals and components for durability and service life
• OE-quality fit and calibration for consistent cooling system response

Detailed Description

This Rein thermostat housing assembly is engineered to install and perform like the original component on select Mercedes-Benz models. The housing is produced with OE-quality materials and temperature-calibrated for precise coolant flow control, helping the engine reach and maintain the proper operating range. Part number CTA0064 also cross-references Genuine 2722000515 for the same application.

Compatible With 2007-2012 Mercedes-Benz CL500, 2007-2012 Mercedes-Benz GL450, 2008-2012 Mercedes-Benz GL550, 2007-2012 Mercedes-Benz SL550, 2010-2011 Mercedes-Benz E550, 2008-2011 Mercedes-Benz ML550, 2008-2011 Mercedes-Benz S450, 2007-2011 Mercedes-Benz S550, 2007-2010 Mercedes-Benz CL550, 2008 Mercedes-Benz R550, and 2009-2015 Mercedes-Benz G550. If you are replacing a worn Mercedes-Benz thermostat housing assembly, CTA0064 provides a direct-fit service part for these applications.

Common Cooling System Issues It Can Address

• Coolant temperature that stays too low or rises inconsistently
• Thermostat housing leaks at the seal or mating surface
• Delayed engine warm-up
• Cooling system service due to a failed thermostat assembly
• Fitment issues from a damaged or aging original housing

Installation Notes and Tips

Confirm the vehicle application before installation and inspect the mating surfaces, hoses, and adjacent cooling components for wear. Replace the included gasket or seal during service, and transfer only the components required for your specific repair. Mounting hardware is not included with this assembly.

Quality Assurance

Rein designs its thermostat assemblies to meet or exceed OE material standards and to deliver consistent temperature response for professional repair work. CTA0064 is built as a standard replacement part for dependable cooling system service on Mercedes-Benz G550, CL500, GL450, GL550, SL550, E550, ML550, S450, S550, CL550, and R550 applications.