Cooling System Mazda 1.8 Thermostat Housing Cover - NA NB PreviousGenuine Mazda Gasket - Water Pump Outlet NextGenuine Mazda Heater Bypass O Ring Mazda 1.8 Thermostat Housing Cover - NA NB Mazda 1.8 Thermostat Housing Cover - NA NB $42.32 Genuine Mazda part- one 1.8 Thermostat housing to radiator Quantity: Add To Cart Facebook0 Twitter Pinterest0 You may want to see this... THERMOSTAT AND COVER NC $138.86 Mazda NA6 Upper Thermostat Housing $42.32 Mazda Thermostat Cover Gasket (Back of Head) $6.61 Mazda Thermostat Gasket $6.61 Genuine Mazda Thermostat Neck O Ring $10.58