Rein CTI0008 Engine Coolant Thermostat

OE Thermostat Insert for Volkswagen Cooling Systems

Rein CTI0008 is an OE quality engine coolant thermostat insert built for direct replacement service in select Volkswagen cooling systems. It is calibrated to open at 80 degrees Celsius to help maintain the factory operating temperature expected in Golf, Jetta, EuroVan, Passat, and Corrado applications.

Designed around original equipment specifications, this thermostat insert uses durable materials and includes the seals or gaskets needed for installation. Rein CTI0008 is a practical choice for technicians and owners servicing Volkswagen cooling system repairs where precise temperature control matters.

Key Features

• Matches original equipment design specifications
• Thermostat set to 80 degrees Celsius for stable operating temperature
• Manufactured to strict engineering standards for materials and tolerances
• Includes all gaskets or seals necessary for installation
• Direct replacement thermostat insert for OE-style service
• Rein CTI0008 thermostat insert for Volkswagen Golf, Jetta, EuroVan, Passat, and Corrado

Detailed Description

Rein CTI0008 is an OE quality thermostat insert engineered for Volkswagen cooling system repair. It is produced with high-quality metal and plastic components to support durability and consistent service life, while the temperature calibration helps the engine reach and hold the intended operating range. This part cross-references Volkswagen 075121113D for the same application.

Compatible With: Fits 1995-2005 Volkswagen Golf, N/A; Fits 1994-2004 Volkswagen Jetta, N/A; Fits 2002 Volkswagen EuroVan, N/A, To VIN 702275000, 80c; Fits 1999-2001 Volkswagen EuroVan, N/A; Fits 1997 Volkswagen EuroVan, N/A; Fits 1993-1997 Volkswagen Passat, N/A; Fits 1992-1995 Volkswagen Corrado, N/A.

Common Repair Uses

• Engine running too cool or taking too long to reach operating temperature
• Temperature fluctuations caused by a worn thermostat insert
• Cooling system service on Volkswagen Golf, Jetta, EuroVan, Passat, or Corrado
• Replacement of a thermostat that no longer opens at the correct temperature
• Restoring stable coolant flow control after thermostat wear or sticking

Installation Notes and Tips

Verify the vehicle application and VIN note before installation, especially on 2002 Volkswagen EuroVan models listed to VIN 702275000. Inspect the housing and sealing surfaces for wear or contamination before assembly. Replace the thermostat insert only after the cooling system has been safely drained and the engine has cooled.

Quality Assurance

Rein designs this thermostat insert to meet or exceed OE material expectations and to deliver consistent temperature response for professional repair work. Rein CTI0008 is built for direct-fit service in Volkswagen applications where accurate coolant regulation is required.