AA misfiring engine or loss of spark could simply be a bad spark plug. Replace them quickly and easily with these spark plugs you would find at the dealer, but not paying the extra cost. Replaces Can-Am part number 715900637. Please check with Can-Am parts diagrams to ensure proper fitment. Sold as a set of TWO. Two spark plugs are required for twin cylinder engines. Fits the following models: 2012-'15 Commander 1000 2012-'14 Commander 800 2013-'19 Commander 800R 2014-'17 Commander Max 1000 2016-'19 Commander Max 800R 2018-'19 Defender HD10 2018-'19 Defender HD8 2018-'19 Defender Max HD10 2018-'19 Defender Max HD8 2019 Maverick Trail 800 2013-'15 Outlander 1000 2004-'05 Outlander 330 2003-'15 Outlander 400 2007-'14 Outlander 500 2018-'21 Outlander 570 2006-'14 Outlander 650 2006-'08 Outlander 800 2009-'14 Outlander 800R 2013-'15 Outlander Max 1000 2004-'15 Outlander MAX 400 2007-'14 Outlander Max 500 2018-'21 Outlander Max 570 2006-'14 Outlander Max 650 2007-'08 Outlander Max 800 2009-'14 Outlander Max 800R 2013-'15 Renegade 1000 2008-'14 Renegade 500 2017-'21, Renegade 570 2018-'19 Renegade 650 2008 Renegade 800 2009-'14 Renegade 800R We make every attempt to ensure every items fitment is accurate. We do the testing on each item before its listed for sale to ensure fitment and quality. Items may fit multiple years and models listed. Returns are subject to 15% restocking fee.