cj6y and cj7y are identical
Champion CJ7Y or NKG BPM7A or Megafire SE-Y7C or Bosh WS7F
champion #940
Champion
64 Autolite Replaces Champion RN11YC, NGK BPR5ES
rj19lm
cross reference ngk BP4HS
It crosses to a champion stock number 405.
NGK BPM7A is the one you will need
NGK BPM7A is the one you will need
NGK BP7ES, Bosch W7DC, Champion N9YC
Champion Spark Plug Co. is currently owned by Federal-Mogul.
Champion RA8HC has the same thread, seat, reach, hex size, and terminal type. I ordered a Kohler plug from Amazon and they actually shipped me this Champion Plug.