NGK Spark Plugs (U.S.A.), Inc. is the largest OE supplier and manufacturer of spark plugs for domestic and import vehicles in North America. Its OE legacy, unsurpassed quality and leading vehicles in operation coverage reinforces NGK as The Ignition Specialist™. With over 80 years of automotive expertise NGK has built a reputation for quality and reliability, manufacturing spark plugs for virtually every automotive, motorcycle, marine and small engine application. We are committed to be the premier partner with our customers, while maintaining original equipment standards for the highest durability and operational performance. With state-of-the-art manufacturing, inventory and distribution facilities in North America and across the globe, NGK is dedicated to providing customers with world-class products and services.
| Year | Make | Model | Submodel |
| 2006-2009 | Arctic Cat | 250 2x4 | Base |
| 2010-2016 | Arctic Cat | 300 | Base |
| 2010 | Arctic Cat | 300 2x4 Auto | Base |
| 2017,2020 | Arctic Cat | Alterra 300 | Base |
| 2006-2008 | Arctic Cat | DVX 250 | Base |
| 2009-2015 | Arctic Cat | DVX 300 | Base |
| 2007-2010 | CFMOTO | CF500 | Base |
| 2011-2012 | CFMOTO | CF500-3 (Rancher 500) | Base |
| 2010 | CFMOTO | CF500A | Base |
| 2011 | CFMOTO | CF600-5 (Rancher 600) | Base |
| 2013-2015 | CFMOTO | CFORCE 500 | Base |
| 2013-2014 | CFMOTO | CFORCE 600 | Base |
| 2013 | CFMOTO | UFORCE 600 | Base |
| 2011-2012 | CFMOTO | X5 (Terralander 500) LWB | Base |
| 2011-2012 | CFMOTO | X5 (Terralander 500) SWB | Base |
| 2011-2012 | CFMOTO | X6 (Terralander 625) LWB | Base |
| 2012 | CFMOTO | X6 (Terralander 625) SWB | Base |
| 2011-2012 | CFMOTO | Z6 (Terracross 600) | Base |
| 2013-2015 | CFMOTO | ZFORCE 600 | Base |
| 2013-2015 | CFMOTO | ZFORCE 600 EX | Base |
| 1984 | Honda | CH125 Elite | Base |
| 1987 | Honda | CH150 Elite | Base |
| 1985-1986 | Honda | CH150D Elite Deluxe | Base |
| 2003-2005 | Honda | CRF150F | Base |
| 2012-2017,2019 | Honda | CRF230F | Base |
| 1988-1990 | Honda | GL1500 Gold Wing | Base |
| 1991-2000 | Honda | GL1500A Gold Wing Aspencade | Base |
| 1997-2003 | Honda | GL1500C/CD Valkyrie | Base |
| 1999-2001 | Honda | GL1500CF Valkyrie Interstate | Base |
| 1997-2000 | Honda | GL1500CT Valkyrie Tour | Base |
| 1992-1996 | Honda | GL1500I Gold Wing Interstate | Base |
| 1990-2000 | Honda | GL1500SE Gold Wing Special Edition | Base |
| 2001-2004 | Honda | NSS 250 Jazz | Base |
| 2001-2007 | Honda | NSS250 Reflex | Base |
| 2001-2007 | Honda | NSS250A Reflex ABS | Base |
| 2004-2007 | Honda | NSS250AS Reflex Sport ABS | Base |
| 2004-2007 | Honda | NSS250S Reflex Sport | Base |
| 1989-1990,1994-1998 | Honda | PC800 Pacific Coast | Base |
| 2005-2006 | Honda | PS250 Big Ruckus | Base |
| 2001-2008 | Honda | TRX250EX Sportrax | Base |
| 2002-2009,2011-2014,2016-2020 | Honda | TRX250TE FourTrax Recon ES | Base |
| 2002-2009,2011-2014,2016-2020 | Honda | TRX250TM FourTrax Recon | Base |
| 2009,2011-2014,2016-2020 | Honda | TRX250X | Base |
| 2000-2006 | Honda | TRX350FE FourTrax Rancher 4x4 ES | Base |
| 2000-2006 | Honda | TRX350FM FourTrax Rancher 4X4 | Base |
| 2000-2006 | Honda | TRX350TE FourTrax Rancher ES | Base |
| 2000-2006 | Honda | TRX350TM FourTrax Rancher | Base |
| 2004-2007 | Honda | TRX400FA FourTrax Rancher AT | Base |
| 2004-2007 | Honda | TRX400FGA FourTrax Rancher AT GPScape | Base |
| 1995-2003 | Honda | TRX400FW Foreman 4x4 | Base |
| 2002-2004 | Honda | TRX450FE FourTrax Foreman ES | Base |
| 2002-2004 | Honda | TRX450FM FourTrax Foreman S | Base |
| 1987-1990,1992-1996 | Honda | VT1100C Shadow | Base |
| 1997-2007 | Honda | VT1100C Shadow Spirit | Base |
| 1998-1999 | Honda | VT1100C2 Shadow ACE | Base |
| 2000-2007 | Honda | VT1100C2 Shadow Sabre | Base |
| 1998-2002 | Honda | VT1100C3 Shadow Aero | Base |
| 1998-2001 | Honda | VT1100T Shadow ACE Tour | Base |
| 2005 | Honda | VT600CD Shadow VLX Deluxe | Base |
| 1986-1987 | Honda | VT700C Shadow | Base |
| 2011-2016,2018-2020 | Honda | VT750C Shadow Aero | Base |
| 2012-2014 | Honda | VT750C2 Shadow Spirit | Base |
| 2013 | Honda | VT750C2 Shadow Spirit ABS | Base |
| 2010-2020 | Honda | VT750C2B Shadow Phantom | Base |
| 2013-2014,2018-2020 | Honda | VT750CA Shadow Aero ABS | Base |
| 2010-2013 | Honda | VT750RS Shadow RS | Base |
| 1988 | Honda | VT800C Shadow | Base |
| 2012,2017-2020 | Honda | XR650L | Base |
| 2012-2018 | Kawasaki | KVF300 Brute Force | Base |
| 1996-1999 | Kawasaki | VN1500A Vulcan 1500 | Base |
| 1988-1989,1991-1995 | Kawasaki | VN1500A Vulcan 88 | Base |
| 1988 | Kawasaki | VN1500B Vulcan 88 SE | Base |
| 1996-1997 | Kawasaki | VN1500C Vulcan L | Base |
| 1996-1998 | Kawasaki | VN1500E Vulcan 1500 Classic | Base |
| 1985 | Kawasaki | VN700A Vulcan | Base |
| 1986-2006 | Kawasaki | VN750A Vulcan 750 | Base |
| 2004-2007 | KYMCO | Bet & Win 150 | Base |
| 2002-2004 | KYMCO | Bet & Win 250 | Base |
| 2004-2011 | KYMCO | Grandvista 250 | Base |
| 2008 | KYMCO | Maxxer 250 | Base |
| 2008 | KYMCO | Maxxer 300 | Base |
| 2004-2009 | KYMCO | Mongoose 250 | Base |
| 2006-2011,2013 | KYMCO | Mongoose 300 | Base |
| 2004-2009 | KYMCO | MXU250 | Base |
| 2005-2011,2013 | KYMCO | MXU300 | Base |
| 2004-2007 | KYMCO | People 250 | Base |
| 2006-2011 | KYMCO | People S 250 | Base |
| 2006-2011 | KYMCO | Xciting 250 | Base |
| 2005-2009,2013,2015 | Suzuki | C50 Boulevard | Base |
| 2014 | Suzuki | C50 Boulevard B.O.S.S. | Base |
| 2009,2013 | Suzuki | C50 Boulevard SE | Base |
| 2005-2008 | Suzuki | C50B Boulevard | Base |
| 2005-2009,2011-2015 | Suzuki | C50T Boulevard | Base |
| 2012 | Suzuki | C50T Boulevard Classic | Base |
| 2005-2009 | Suzuki | C90 Boulevard | Base |
| 2005-2008 | Suzuki | C90B Boulevard | Base |
| 1991-2001 | Suzuki | LT-F160 QuadRunner | Base |
| 2003 | Suzuki | LT160 | Base |
| 1990-1992 | Suzuki | LT160E | Base |
| 1989-1990 | Suzuki | LT250S | Base |
| 2006-2009 | Suzuki | M50 Boulevard | Base |
| 2007 | Suzuki | M50 Boulevard Limited | Base |
| 2009 | Suzuki | M50 Boulevard SE | Base |
| 2005-2006 | Suzuki | M50B Boulevard | Base |
| 1998-2004 | Suzuki | VL1500 Intruder | Base |
| 2001-2004 | Suzuki | VL800 Intruder Volusia | Base |
| 2018 | Textron | Alterra 300 | Base |
| 2006-2009 | Triumph | Rocket III Classic | Base |
| 2007-2011 | Triumph | Rocket III Classic Tourer | Base |
| 2011-2014,2016-2018 | Triumph | Rocket III Roadster | Base |
| 2015 | Triumph | Rocket III Roadster ABS | Base |
| 2014,2016-2017 | Triumph | Rocket III Touring | Base |
| 2015 | Triumph | Rocket III Touring ABS | Base |
| 2018 | Yamaha | Star Venture | Base |
| 1985 | Yamaha | TT600 | Base |
| 1987-1991 | Yamaha | XC200 Riva | Base |
| 1987-1989 | Yamaha | XC200Z Riva | Base |
| 1999-2003 | Yamaha | XV1600A Road Star | Base |
| 2000-2003 | Yamaha | XV1600AS Road Star Midnight | Base |
| 1999-2003 | Yamaha | XV1600AT Road Star Silverado | Base |
| 2004-2009 | Yamaha | XV1700A Road Star | Base |
| 2004-2007 | Yamaha | XV1700AM Road Star Midnight | Base |
| 2008-2014 | Yamaha | XV1700AS Road Star S | Base |
| 2005-2010 | Yamaha | XV1700AT Road Star Silverado | Base |
| 2004-2007 | Yamaha | XV1700ATM Road Star Midnight Silverado | Base |
| 2008-2014 | Yamaha | XV1700ATS Road Star Silverado S | Base |
| 2002-2009 | Yamaha | XV1700PC Road Star Warrior | Base |
| 2005-2009 | Yamaha | XV1700PCM Road Star Midnight Warrior | Base |
| 2018 | Yamaha | XV19B Star Eluder | Base |
| 1998-2011,2013-2016 | Yamaha | XVS650 V Star Custom | Base |
| 1998-2010 | Yamaha | XVS650A V Star Classic | Base |
| 2002-2010 | Yamaha | XVS650AT V Star Silverado | Base |
| 1996-1998 | Yamaha | XVZ1300A Royal Star | Base |
| 1999-2001 | Yamaha | XVZ1300AL Royal Star Boulevard | Base |
| 1996-2000 | Yamaha | XVZ1300AT Royal Star Tour Classic | Base |
| 1997-2001 | Yamaha | XVZ1300CT Royal Star Tour Deluxe | Base |
