Rein CTI0004 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Audi and Volkswagen Vehicles

The Rein CTI0004 engine coolant thermostat is designed to meet original equipment specifications, ensuring precise temperature regulation for your Audi or Volkswagen. This application-specific thermostat helps maintain optimal engine performance and prevents overheating.

Key Features of Rein CTI0004 Thermostat

• Matches original equipment design specifications for accurate fit and function
• Includes all necessary gaskets and seals for straightforward installation
• Manufactured under strict engineering standards for durability and reliability
• Thermostat set to open at 71 degrees Celsius to maintain optimal engine temperature

Detailed Product Description

The Rein CTI0004 thermostat insert is engineered as a direct replacement for select Audi and Volkswagen models, including the Audi 80, 90, 4000, and Volkswagen Beetle, Cabrio, Corrado, Fox, Golf, Jetta, Passat, and Quantum. Manufactured in China, this thermostat is designed to precisely regulate coolant flow by opening at 71 degrees Celsius, which helps maintain consistent engine operating temperature. The product comes packaged in a box and weighs approximately 0.24 pounds, with dimensions suitable for easy handling and installation.

Compatible Vehicles and Common Applications

• Audi 80, 90, 4000 models
• Volkswagen Beetle, Cabrio, Cabriolet, Corrado, Fox, Golf, Jetta, Passat, Quantum
• Engine coolant temperature regulation
• Replacement for faulty or worn thermostats causing overheating or poor heater performance
• Helps prevent engine damage due to improper coolant flow

Installation Notes and Tips

Installation of the Rein CTI0004 thermostat is straightforward due to the inclusion of all necessary gaskets and seals. Ensure the engine is cool before beginning installation to avoid injury. Follow vehicle-specific service manual instructions for thermostat housing removal and replacement. Proper torque specifications should be observed to prevent leaks. After installation, verify coolant levels and check for leaks during engine warm-up.

Quality Assurance and Warranty Information

Rein thermostats are manufactured to meet strict engineering standards, ensuring reliable performance and longevity. While specific warranty details are not provided, Rein products typically adhere to industry quality controls to support consistent operation in compatible Audi and Volkswagen vehicles. Using the Rein CTI0004 thermostat helps maintain engine efficiency and prevents common cooling system issues.