Heater Water Pump Auxiliary Heater Water Pump Color:Black Gasket or Seal Included:No Grade Type:Standard Inlet Outside Diameter:0.66 In. Inlet Port Quantity:1 Material:Plastic, Steel Mounting Hardware Included:No Outlet Outside Diameter:0.66 In. Outlet Port Quantity:1 Package Contents:1 Auxiliary Water Pump Pulley Included:Not Required Wattage:3.6 W