Moose Utility Y-Fitting with Shutoff Valve Kit - 1in. to 5/8in. Hose 4510-1119This fitting is commonly used on UTV heaters Universal fit for many UTVs Allows you to splice into your 1in radiator hose to run coolant to your heater with 5 8in heater hose Included in this kit is the shutoff valve so you can shut off the flow of coolant to the heater during the summer months Made from aluminum Made in the U. S. A.