your dum
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..
Champion RC12YC, NGK BKR5E-11
champion RC12YC of ngk BKR5E-11
A Champion RC12YC plug crosses over to several NGK plugs including a BCPR5EY, BKR6E-11, BCPR4EY, 09-06-05, BKR5E-11, ZFR5F, 09-06-04, FR5, and BK5RE.
I have autolite sparks plugs ARF32M and need to know the cross reference to NGK
ngk Bm6a its the same plug
This plug is the Champion RCJ7Y.
Your but
what is gap setting for NGK BPMR7A spark plug
The Champion 696073 spark plug is equivalent to the Champion RC12YC. If you're looking for alternatives from other brands, the NGK BPR6ES or Bosch 4428 are also suitable replacements. Always ensure that the specifications, such as heat range and thread size, match your engine's requirements for optimal performance.
cross reference ngk BP4HS
The equivalent NGK plug would be B2LM