take the old plug to a mower parts store & tell them you need a matching one for a push mower
The correct gap for the spark plug of a Briggs and Stratton 6.75 Lawnmower engine 0.030. Most new plugs come with that gap, but it is best to check to make sure.
The spark plug should be gaped at .030"(76mm)
Spark plug gap for 802592S PLUG IS 0.030 INCH
It is 0.030" for an L-head engine.
The proper spark plug for 4hp Briggs & Stratton is a J8 which I use in all my motors.
what is the champion cross reference for a briggs and stratton spark plug 691043
Champion Spark Plug QC12YC
Champion RJ19LM
Champion rj19lm
.030
front right of engine, from driver seat perspective, follow the 1/4 inch spark cable down to where plug is
0.030 is the gap for briggs and stratton 4.5 hp mower