This Original Equipment Manufacturer part is the same part that was made & installed by the car manufacturer at the factory where the car was produced.
This gasket set includes 1 #12341-PY3-000 valve cover gasket, 3 #12342-PT0-000 spark plug tube seals, and 4 #90441-PT0-000 sealing washers. (enough for 1 cylinder head, use 2 sets per engine).