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Most all brand spark plug brands are on the cross reference including Champion. Some of the brands that cross reference to Champion are Autolite and Denso,
The laser 40500 Champion cross reference is for spark plugs. There are many cross reference data bases to show which spark plugs can be interchangeable.
Champion J19LM
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Champion RN4C
There is no Champion spark plug with the part number 696798. There is a Briggs and Stratton part number 696798 that does cross reference with a Champion RJ 19LM.
Champion RJ19LM
Champion rj19lm
Champion Spark Plug QC12YC
J19lm