Oil Cooler/Coolant Temp Fitting 3/8"

Designed for engines that have an external oil cooler that needs to be T-ed into the coolant line going from the head to the radiator. 1" barbed ends with a 1/2" NPT port for the temperature gage and a 3/8" NPT port used for the oil cooler line, includes 3/8" barbed to 3/8" NPT fitting. Engines that use a 3/8" oil cooler line include the Kawasaki 636..