Gates 33488S Premium Engine Coolant Thermostat

Gates Premium Thermostats feature a heavy gauge stainless steel construction for improved corrosion resistance, as well as an upgraded spring for increased temperature stability under normal operation conditions.

• Upgraded thermal valve prevents thermal shock to cooling system components
• Specially-formulated wax mixture reacts quickly to changes in coolant temperature
• Jiggle pins for air venting, seals and gaskets make these thermostats equivalent to the original equipment parts