One Flex-A-Lite 1-1/2 Inch Inside Diameter In-line Radiator Hose Adapter (32082 / 107078) Aluminum automotive adapter designed for radiator hoses with a 1-1/2-inch inside diameter Provides the radiator hose with a threaded fitting for a thread-in temperature sensor; includes one brass plug and two 1/4" NPT ports (hose clamps for installation not included) Use this radiator hose adapter with car parts like a temp sensor or a zinc anode for cooling system protection This radiator hose adapter comes with a one-year manufacturer warranty