Gates 33428S - Premium Engine Coolant Thermostat

Premium engine coolant thermostat the premium thermostat incorporates an all stainless steel construction, larger heat motor and larger spring to provide superior performance. these features provide: precision temperature control.more efficient engine operation.faster engine warm up.fewer emissions.better fuel economy. application summary:2005-1986 buick, lesabre, v-6 3.8 l, thermostat