Fit for Infiniti Q50 Hybrid Sport Sedan 4-Door 3.5L V6 14-15. Fit for Infiniti Q50 Sport Sedan 4-Door 3.7L V6 14-15. Function: When the coolant pressure in the radiator exceeds the pressure cap setting, the coolant flows to the outside through the reserved channel to prevent the water pipe from bursting, ensuring efficient cooling and smooth engine operation.
