Technical Spark Plug Equivalency Chart

I checked our forum's research area but could not find this information. Does anyone know of a web site that provides a chart showing spark plug equivalency. For example, I would like to know the AC plug equivalent for the Champion J12YC plug? Is it AC44 or maybe AC45? Thank you.

 

I just look in my old AC Spark Plug catalog.

sometimes I look up plug numbers for a vehicle application on a parts web site, like rock auto. It is not always right, though.

 

http://www.jegs.com/PDFs/111-UGroove.pdf


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R43S, sparkplug-crossreference.com


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No need to replicate what's already within the internet.
You just need to...Google it !

Mike

 

Thank you all for commenting. As Mike VV mentioned, I found charts and answer via google.

 

I use spark plug.com. They have all that type data.

 

Not really.