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Which Spark Plug Should Be Used in a Kohler 15 HP Lawn Mower Engine?

By Melody Lee ; Updated September 21, 2017

The 15-horsepower Courage and Command lines of Kohler lawn mowers use Champion RC12YC or equivalent spark plugs. Alternatively, the Courage line also uses Champion QC12YC plugs. Command vertical shaft mowers also use Champion Premium Gold 2071 plugs; Command horizontal shaft mowers also use Champion Platinum 3071 plugs.

 

About the Author

 

Melody Lee holds a degree in landscape design, is a Florida Master Gardener, and has more than 30 years of gardening experience. She currently works as a writer and copy editor. Her previous jobs include reporter, photographer and editor for a weekly newspaper.