Rein CTA0053 Engine Coolant Thermostat Housing Assembly

OE-Quality Thermostat Housing Assembly

The Rein CTA0053 engine coolant thermostat housing assembly is built for direct replacement service in compatible Mercedes-Benz cooling systems. It follows original equipment design targets for fit, materials, and temperature response, helping restore consistent coolant control.

Fits 2012-2016 Mercedes-Benz E300, N/A. Fits 2012-2016 Mercedes-Benz E350, N/A. Fits 2012-2016 Mercedes-Benz SLK350, N/A. Fits 2012-2015 Mercedes-Benz C350, N/A. Fits 2013-2015 Mercedes-Benz E400, N/A. Fits 2013-2015 Mercedes-Benz GLK350, N/A. Fits 2012-2015 Mercedes-Benz ML350, N/A. Fits 2013-2014 Mercedes-Benz C300, N/A. Fits 2012-2013 Mercedes-Benz R350, N/A. Fits 2016-2018 Mercedes-Benz GLE350, N/A.

Key Features

• Direct-fit thermostat housing assembly for application-specific replacement.
• Built to match original equipment design specifications.
• Manufactured with high-quality metals and components for durability.
• Temperature-calibrated for consistent coolant system response.
• Engineered to meet strict materials and tolerance standards.

Detailed Description

CTA0053 is a Rein OE-quality thermostat housing assembly made for vehicles that require precise cooling system control. The assembly is produced to meet or exceed OE material expectations and uses durable construction to support long service life. Its calibrated thermostat response helps maintain the engine’s operating temperature within the intended range, which is important for stable cooling performance in Mercedes-Benz E350, C350, and related applications. The CTA0053 is a practical replacement when the original housing no longer seals, regulates temperature correctly, or matches factory fitment requirements.

This part cross-references Monroe Shocks & Struts (e.g., 2762000115, 2762000500) for the same application.

Common Issues This Part May Solve

• Coolant temperature that fluctuates outside normal operating range.
• Thermostat housing wear that affects sealing or fit.
• Delayed engine warm-up or inconsistent temperature regulation.
• Cooling system service needs on Mercedes-Benz E300, E350, and ML350 applications.
• Replacement of a worn OE-style thermostat assembly.

Installation Notes and Tips

Verify engine and chassis fitment before installation, since this thermostat housing assembly is application-specific. Inspect mating surfaces, hoses, and coolant condition during service, and follow the vehicle manufacturer’s cooling system refill and bleed procedure after installation. The direct-fit design supports straightforward replacement in compatible Mercedes-Benz applications.

Quality Assurance

Rein Automotive states that this OE-quality thermostat assembly is built to original-equipment fit and performance expectations. It is backed by a 24-month or 24,000-mile warranty.