This is the o ring that seals the ends of the bobbin inlet tube (UE34147 or UE37117) to the thermostat housing from the timing cover and water pump housing. 2 Per Car (Sold Each) 1966-1980 All...

88°C  This is an original style thermostat with the fail-safe lead pellets around the edge of the thermostat.   You will need the gasket UE73635 when you order the thermostat. 1966-1980...

78°C  This is an original style thermostat with the fail-safe lead pellets around the edge of the thermostat.   You will need the gasket UE73635 when you order the thermostat. 1966-1980...

This is gasket for the water pump to the housing  1966-1980 Shadow, T-series, Shadow II, Silver Wraith II, Corniche 1981-1998 (From VIN 1001 onwards)