Each Stant Temperature Control Cooling System Kit for select Volkswagen vehicles contains all the parts needed for a complete cooling system repair, all in one box. Each kit contains a thermostat with housing, radiator cap, and coolant temperature sensor. Kit components work together to regulate engine temperature, provide information to the vehicle's engine management system, and maintain proper operating pressure for the cooling system. Replacing all of these components at once ensures that the critical components of your vehicle's cooling system will work in concert to help your vehicle perform up to OE standards - ensuring optimum performance, fuel economy, and vehicle longevity. All kit components are engineered to OE specifications for a no-hassle installation process. Stant is a world leader in the development and manufacture of fuel and cooling system products. Founded in Connersville, Indiana by George Stant in 1898, today the company is still based in Connersville, but is now owned by HIG Capital LLC. Stant designs and produces a variety of consumer products including thermostats, radiator and coolant reservoir caps. The majority of Stant consumer products are manufactured in the USA in TS16949/ISO14001 certified facilities.