OEM thermostat and o-ring for the 80 Series Land Cruiser with the 1FZ motor. Also includes all three o-rings fof the thermostat bypass. Servicing the bypass o-rings is just one of those "while I'm there" when doing the thermostat. If you also want to replace the water return pipe gasket that is mounted next to the thermostat housing then this is the gasket you need.
