champion #940
Champion
cross reference ngk BP4HS
It crosses to a champion stock number 405.
64 Autolite Replaces Champion RN11YC, NGK BPR5ES
NGK BP7ES, Bosch W7DC, Champion N9YC
No clue why you ask, but Autolite 308, NGK BR2LM, Bosch WR9EC, Briggs # 802592s, Tecumseh 35395
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..
Spark plug gap for 802592S PLUG IS 0.030 INCH
ngk BPMR7A
NGK BPM6A