Rein CTA0075 Engine Coolant Thermostat Housing Assembly

OE-Style Thermostat Housing Assembly

Rein CTA0075 is an engine coolant thermostat housing assembly built for OE-style fit, form, and function. It is a standard replacement with a gasket or seal included, making it a practical choice for cooling system service on select BMW applications.

Compatible with 1996-1998 BMW 740iL, 1997-1998 BMW 540i, and 1997-1998 BMW 740i, this thermostat housing assembly is temperature calibrated for a consistent opening response at 105 degrees.

Key Features

• Engine coolant thermostat housing assembly for cooling system repair
• Standard replacement grade for direct-fit service
• Gasket or seal included
• Temperature calibrated to start opening at 105 degrees
• Built with high-quality metals and components for durability and service life
• Rein CTA0075 for select BMW 540i, 740i, and 740iL applications

Detailed Description

Rein CTA0075 is engineered to meet OE material expectations and deliver the fit and performance needed in a thermostat housing replacement. The assembly is designed for smooth installation and dependable cooling system control, with calibration that supports a precise coolant flow response. This part cross-references URO 11531437526 for the same application.

For BMW 540i, BMW 740i, and BMW 740iL cooling system service, CTA0075 provides a direct replacement solution that aligns with the original thermostat housing layout. The included gasket or seal helps simplify reassembly during repair.

Common Repair Uses

• Coolant temperature regulation issues
• Thermostat housing leaks
• Cracked or worn housing replacement
• Improper thermostat opening response
• Cooling system maintenance on aging BMW engines

Installation Notes and Tips

Verify engine fitment before installation and inspect the mating surfaces for corrosion or residue. Replace coolant as needed during service, and torque fasteners to the vehicle manufacturer’s specifications. Mounting hardware is not included.

Quality Assurance

Rein positions this thermostat housing assembly as an OE-quality replacement built with durable metals and calibrated components for consistent cooling system performance. CTA0075 is intended to meet the expectations of professional repair work on the listed BMW applications.