Rein CTA0066 Engine Coolant Thermostat Housing Assembly

OE-Style Thermostat Housing Assembly

Rein CTA0066 is an engine coolant thermostat housing assembly built for direct replacement service on select Mercedes-Benz applications. It uses OE-quality materials, includes a gasket or seal, and is temperature calibrated for a precise cooling-system response.

Compatible with Mercedes-Benz GLA250, B250, CLA250, CLA45 AMG, GLA45 AMG, A45 AMG, C250, A250, and A45 applications, this thermostat housing assembly supports consistent coolant flow control and straightforward service work.

Key Features

• Engine coolant thermostat housing assembly for standard replacement service
• Temperature calibrated to open at 97 degrees
• Gasket or seal included for installation
• High-quality metal and component construction for durability
• OE-quality fit and performance for select Mercedes-Benz cooling systems
• Part number CTA0066 for easy identification

Detailed Description

Rein CTA0066 is engineered to match the original thermostat housing layout used on select Mercedes-Benz models, helping maintain proper engine operating temperature and cooling-system control. The assembly is produced with durable metals and components, and the calibrated thermostat response is designed to deliver consistent opening behavior at 97 degrees. This makes CTA0066 a practical choice for Mercedes-Benz GLA250 and CLA250 cooling system service, as well as other listed A-Class and AMG applications.

This part cross-references URO 2702002200 for the same application.

What It Helps Address

• Coolant temperature regulation concerns
• Thermostat housing leaks at the seal or gasket area
• Delayed or inconsistent thermostat opening
• Cooling-system service on Mercedes-Benz GLA250, B250, and CLA250 models
• Replacement of a worn thermostat housing assembly

Installation Notes

Install as a direct replacement thermostat housing assembly on the listed Mercedes-Benz vehicles. The gasket or seal is included; mounting hardware is not included. Verify the cooling system is fully drained and the mating surfaces are clean before installation. Follow the vehicle service procedure for coolant refill and bleeding after replacement.

Quality Assurance

Rein positions this thermostat assembly as an OE-quality replacement built to meet or exceed original material standards. The housing and thermostat components are selected for durability and service life, with calibration aimed at consistent cooling-system performance.