Plug, Part 7051524 is a critical component of the engine. It is designed and tested by Polaris Engineers to ensure durability, quality, and optimal performance through lab and field validation testing beyond the expected engine life. Spend more time out on the trails and less time indoors. We've been a leader in the powersport industry for nearly 70 years, don't settle for anything less than OEM quality. This Accessory is Designed to Fit the Following: ATV , 2013 Sportsman 500 HO HD , 2010-2013 Sportsman Touring 500 HO , 2008-2014 Sportsman 400 HO , 2008-2013, 2002-2006 Sportsman 500 HO , 2008-2009 Sportsman Touring 500 EFI , 2007-2012, 2001-2005 Scrambler 500 4X4 , 2007-2009 Sportsman X2 500 EFI , 2006-2009 Sportsman 500 EFI , 2006-2007 Sportsman 450 , 2006-2007 Outlaw 500 , 2006 Sportsman X2 500 , 2006 Scrambler 500 4x4 , 2004, 1996-2001 Sportsman 500 , 2004-2005 ATP 500 4X4 , 2003-2007 Predator 500 , 2002, 1999-2000 Magnum 500 , 2002, 1999 Worker 500 , 2002 Magnum 500 RMK , 2001-2005 Sportsman 400 , 2001-2002 Scrambler 500 2X4 , 2001 , 2000-2008 Sportsman 6X6 , 1999-2001 DIESEL , 1999-2000 Sportsman 335 , 1998-1999 Big Boss 500 6x6 , 1997-2000 Scrambler 500 , 1997 Xplorer 500 , 1996-1997 Magnum 6X6 , 1995-1998 Magnum 4X4 , 1995-1998 Magnum 2X4 Ranger , 2013, 2006 RANGER 500 , 2012-2014 RANGER 400 , 2011-2013 RANGER CREW 500 , 2010-2011 RANGER 400 HO , 2007-2009 RANGER 500 Carb , 2006-2012 RANGER 500 EFI , 2006 RANGER 500 4x4 , 2005-2007 RANGER 500 2X4 , 2005 RANGER 500 4X4 , 2004-2005 RANGER 6X6 , 2003-2004 RANGER 4X4 , 2003-2004 RANGER 2X4 , 1998 RANGER , 1998 PILOT