SP-34 is the number of an aftermarket spark plug available from Arnold. It should cross-reference to a Champion RJ 19LM.
what is the champion cross reference for a briggs and stratton spark plug 691043
Rc12yc
Rc12yc
Champion RJ19LM
Champion rj19lm
Champion Spark Plug QC12YC
RC12YC in Champion
It crosses to a champion RJ19LM
champion RC12YC of ngk BKR5E-11
694385 is a platinum plug also sold as Briggs 5066 and 5066H. Non-platinum Champion equivalent is RC12YC.
The Champion number is a RJ2YLE. Somewhat hard to find if your not a dealer.
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.