Rein CTA0087 Engine Coolant Thermostat Housing Assembly

OE-Quality Thermostat Housing Assembly

The Rein CTA0087 engine coolant thermostat housing assembly is built for BMW cooling system service with OE-quality fit, materials, and temperature control. It is a standard replacement part with a gasket or seal included for a cleaner repair process.

Fits 2012-2019 BMW applications including X5, X6, M2, 335i, 435i, M235i, and ActiveHybrid 3. This thermostat housing assembly is calibrated to begin opening at 103 degrees for consistent coolant flow management.

Key Features

• Standard replacement thermostat housing assembly for cooling system repair
• OE-quality construction with high-quality metals and components
• Temperature calibrated for precise response at 103 degrees
• Gasket or seal included for sealing at installation
• Rein CTA0087 for direct reference during parts lookup

Detailed Description

Rein Automotive designs this thermostat assembly to install and function the way the original component was intended. The housing is produced with materials selected to meet or exceed OE standards, and the calibrated thermostat helps maintain proper engine coolant regulation under normal operating conditions. For BMW X5, X6, M2, 335i, and 435i service, the Rein CTA0087 provides a direct-fit replacement option for technicians and owners seeking a factory-style repair.

This part cross-references Genuine 11537598865 for the same application.

What It Helps Address

• Coolant temperature control concerns caused by a worn thermostat assembly
• Leaks at the thermostat housing sealing surface
• Delayed or inconsistent thermostat opening behavior
• Cooling system service needs on BMW turbocharged applications

Installation Notes and Tips

Verify the engine application and compare the original housing before installation. The included gasket or seal supports reassembly, while the thermostat should be installed with the cooling system properly drained and refilled according to service procedures. Confirm connector, hose, and housing orientation before final tightening.

Quality Assurance

Rein Automotive states that this assembly is made to OE-quality standards using durable metals and components, with temperature calibration intended to provide consistent operation and dependable service life.