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champion RC12YC of ngk BKR5E-11
champion #940
Champion
rj19lm
cross reference ngk BP4HS
It crosses to a champion stock number 405.
Champion rc12yc, Briggs 491055 or Champion Premium plug (platinum) #3071
64 Autolite Replaces Champion RN11YC, NGK BPR5ES
NGK BP7ES, Bosch W7DC, Champion N9YC
I have autolite sparks plugs ARF32M and need to know the cross reference to NGK
I"ve been trying to find an answer to this question myself and belive the Autolite 3924 corresponds to the Champion RC12YC.24-7423 - Champion RC12YC Spark PlugRC12YC Champion Replaces Autolite 3924, NGK BCPR6ES..
ngk BPMR7A