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Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Free Shipping on orders over $69.99 to the continental 48 (Alaska & Hawaii orders, call 402-214-0706 to order).
All products have accurate in stock quantities listed, if it shows in stock it’s actually in stock!
Autolite 4-4303 4303 SPARK PLUG 4303/4 COPPER

Autolite 4-4303 4303 SPARK PLUG 4303/4 COPPER

by AUTOLITE
Availability:
25 in stock, ready to be shipped
$7.50 - $7.50
$7.50
$7.50 - $7.50
$7.50

Features

  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Cold-formed steel shell precision rolled threads
  • Full copper core electrode provides better performance in all conditions
  • Verify all cross reference listings before purchase

1976-1981 Suzuki RM 100
1988-1990 Yamaha FZR 400
1989-1990 Honda CB400F CB-1
1989-1990 Honda VTR 250 Interceptor
1989-1999 Yamaha FZR 600 R
1990 Husqvarna WMX 510
1990 Husqvarna WXE 510
1990-2001 Kawasaki Ninja ZX-11
1990-1997 Suzuki GSX-R 750
1991-1994 Honda CBR600F2
1991-2003 Honda ST1100
1991-1997 Honda VFR750F Interceptor
1991,1994-1995 Husqvarna WXE 350
1991,1994-1997 Husqvarna WXE 610
1991-1993 Suzuki GSF 400 Bandit
1992-2002 Honda ST1100 ABS
1992 Husaberg TE 350
1992-1993 Husqvarna WXC 350
1992-1998 Yamaha XJ 600 S Seca II
1993-1999 Honda CBR900RR
1993-1996,1998-2000 Husaberg FC 600
1993-1998 Suzuki GSX-R 1100
1994-2003 Honda VF750C Magna
1994-1996 Husaberg FE 350
1994-1999 Husaberg FE 501
1994-1996,2000 Husaberg FE 600
1994-2003 Kawasaki ZX 900 B ZX-9R
1994-1996 Suzuki RF 600R
1994-1997 Suzuki RF 900R
1995-1998 Honda CBR600F3
1995-2005 Kawasaki VN 800 A Vulcan
1995-2007 Yamaha YZF 600 R
1996-1998 Arctic Cat 454 4x4
1996-1999 Husaberg FC 400
1996 Husaberg FE 350 E
1996-2000 Husaberg FE 400
1996-1999 Husaberg FE 501 E
1996-2000 Husaberg FE 600 E
1996-2005 Kawasaki VN 800 B Vulcan Classic
1996-2009,2011-2013 Suzuki DR 650SE
1997-2004 Honda CBR1100XX Blackbird
1997-2000 Husaberg FX 600 E
1997 Husqvarna WXC 410
1997 Husqvarna WXE 410
1997-2008 Kawasaki KLX 300R
1998 Arctic Cat 454 4x2
1998-2003 Husqvarna TC 610
1998-2004 Husqvarna TE 610
1998-2002 Suzuki LT-F 500F QuadRunner 4x4
1998-2000 Yamaha WR 400 F
1998-1999 Yamaha YZ 400 F
1998-2001 Yamaha YZF-R1
1999-2000 Honda CBR600F4
1999-2000 Kawasaki ZRX 1100
1999-2009 Suzuki SV 650
1999-2008 Suzuki SV 650S
1999-2013 Yamaha YZF-R6
2000-2002 Arctic Cat 500 Automatic 4x4
2000-2002 KTM 400 EXC
2000-2002 KTM 400 SX
2000 KTM 400 SXC
2000-2002 KTM 520 EXC
2000-2002 KTM 520 SX
2000-2006 Kawasaki VN 800 E Vulcan Drifter
2000 Kawasaki W 650
2000 MV Agusta F4 750 S
2000-2003 Suzuki DR-Z 400
2000-2007 Suzuki DR-Z 400E
2000-2009,2011-2016 Suzuki DR-Z 400S
2000-2001 Suzuki LT-A QuadMaster 500 F 4x4
2000-2002 Yamaha YZ 426 F
2001-2002 KTM 400 MXC
2001-2002 KTM 520 MXC
2001-2005 KTM 660 LC4 Rally
2001-2009 Kawasaki BN 125A Eliminator
2001 Kawasaki EJ650A W650
2001-2003 MV Agusta F4 1000 S
2001-2002 MV Agusta F4 1000 S 1+1
2001-2010,2013 Yamaha FZ1
2001-2013 Yamaha WR 250 F
2001-2002 Yamaha WR 426 F
2001-2013 Yamaha YZ 250 F
2002-2007 Aprilia RS 50
2002 Arctic Cat 375 4x2
2002 Arctic Cat 375 4x4
2002 Arctic Cat 400 4x4
2002-2006 Arctic Cat 500 TBX Automatic 4x4
2002-2007 Honda CB900F 919
2002-2003 Honda FSC600 Silver Wing
2002-2003 Kawasaki KVF 650 Prairie 4x4
2002-2007 Suzuki LT-A 400F Eiger AT 4x4
2002-2007 Suzuki LT-A 500F Vinson AT 4x4
2002-2007 Suzuki LT-F 400 Eiger MT 4x2
2002-2007 Suzuki LT-F 400F Eiger MT 4x4
2002-2003 Victory V 92 C
2002-2006 Victory V 92 TC
2003 Honda FSC600A Silver Wing
2003-2012 Honda ST1300
2003-2009 Honda ST1300 ABS
2003-2010 Husqvarna TC 450
2003-2010 Husqvarna TE 450
2003-2006 KTM 950 Adventure
2003-2006 Kawasaki KFX 400 4x2
2003 Kawasaki KLX 400 R
2003 Kawasaki KLX 400 SR
2003-2007,2009,2012 Suzuki LT-Z 400Z QuadSport LE 4x2
2003-2008,2010 Victory Vegas
2003-2006 Yamaha FJR 1300
2003-2013 Yamaha FJR 1300 A
2003-2016 Yamaha WR 450 F
2003-2016 Yamaha YZ 450 F
2004-2006 Arctic Cat 500 TRV Automatic 4x4
2004 Honda CB50R
2004 Honda NSR50R
2004-2009 Husqvarna TC 510
2004-2010 Husqvarna TE 510
2004-2006 KTM 950 Adventure S
2004-2009 Kawasaki KFX 700
2004-2006 Kawasaki KVF 700 Prairie 4x4
2004-2005 MV Agusta Brutale 910 S
2004 MV Agusta F4 750 SPR
2004-2012 Suzuki DL 650 V-Strom
2004-2005 Suzuki LT-V 700 F Twin Peaks 4x4
2004-2016 Suzuki RM-Z 250
2004-2010 Victory Kingpin
2004-2009,2012 Yamaha YFZ 450 4x2
2005-2008 Arctic Cat 400 DVX 4x2
2005 Arctic Cat V-2 650 Automatic 4x4
2005-2010 Husqvarna SM 450 R
2005-2009 Husqvarna SM 510 R
2005-2013 Hyosung GT 650 R
2005-2008 Hyosung GT 650 S
2005-2011,2013 Hyosung GV 250
2005-2016 KTM 250 SX-F
2005-2008 KTM 950 Supermoto
2005-2012 Kawasaki KVF 750 Brute Force 4x4i
2005-2009,2013 Suzuki DR-Z 400SM
2005-2007 Suzuki LT-A KingQuad 700 4x4
2005-2016 Suzuki RM-Z 450
2005-2008 Victory Hammer
2005-2010 Yamaha FJR 1300 AE
2006-2010 Aprilia RXV 450
2006-2009 Aprilia SXV 450
2006 Arctic Cat 650 4x4
2006-2011,2013 Hyosung GV 650
2006-2007,2009-2010,2012-2015 Kawasaki KLX 250 S
2006-2009,2011-2012 Kawasaki KVF 650 Brute Force 4x4i
2006-2016 Kawasaki KX 450 F
2006-2013 Kawasaki VN 900 B Vulcan Classic
2006-2013 Kawasaki VN 900 D Vulcan Classic LT
2006-2008 Moto Guzzi Breva 1100
2006-2008 Moto Guzzi Griso 1100
2006-2007 Polaris Hawkeye 300 4x2
2006-2007 Polaris Hawkeye 300 4x4
2006-2009 Suzuki LT-R 450 QuadRacer
2006-2009,2011-2013 Suzuki VZR 1800 Boulevard M109R
2006-2010 Victory Kingpin Deluxe
2006-2010 Victory Vegas 8-Ball
2006-2008 Victory Vegas Jackpot
2006 Victory Vegas Jackpot Ness Signature Series
2006-2012 Yamaha Raptor 700R 4x2
2006-2007 Yamaha YFZ 450 Bill Balance Edition 4x2
2006-2010 Yamaha YZF-R6 S
2007-2010 Aprilia RXV 550
2007-2011 Aprilia SXV 550
2007-2012 Can-Am DS 250
2007 Can-Am Rally 200
2007-2013 Hyosung GT 250
2007-2013 Hyosung GT 250 R
2007-2013 Hyosung GT 650
2007-2009,2013 KTM 250 XC-F
2007-2013 KTM 250 XCF-W
2007-2009 KTM 950 Super Enduro R
2007-2013 Kawasaki VN 900 C Vulcan Custom
2007-2013 Suzuki DL 650A V-Strom ABS
2007-2009 Suzuki SV 650 ABS
2007-2008 Suzuki SV 650SA
2007-2008 Victory Hammer S
2007 Victory Jackpot
2007-2010 Victory Kingpin Tour
2007 Yamaha Raptor 700R GYTR Edition 4x2
2007-2012 Yamaha Raptor 700R SE 4x2
2007-2008 Yamaha YFZ 450 SE 4x2
2008-2009 Aprilia Scarabeo 100
2008-2009 Aprilia Scarabeo 500 I.E.
2008-2010 Arctic Cat 400 TRV 4x4
2008-2009 Arctic Cat H1 650 TRV Automatic 4x4
2008 Arctic Cat Prowler 650 XT
2008-2010 Husqvarna TXC 510
2008-2009 KTM 450 XC-F
2008-2012 Kawasaki EX250 Ninja 250R
2008-2009 Kawasaki KLX 450 R
2008 Kawasaki KRF 750 Teryx 4x4 LE
2008 Kawasaki Teryx 750 NRA Outdoors
2008 Moto Guzzi Breva 1200 Sport
2008-2010 Polaris Sportsman 300 4x4
2008-2011 Suzuki GSX 650F
2008 Suzuki LT-Z 400Z QuadSport SE 4x2
2008-2009 Suzuki VLR 1800 Boulevard C109R
2008-2009 Suzuki VLR 1800 Boulevard C109RT
2008-2009 Suzuki VZR 1800 Boulevard N
2008-2010 Victory Kingpin 8-Ball
2008-2009 Victory Vegas Low
2009 Aprilia Scarabeo 200
2009-2011 Aprilia Shiver 750
2009 Aprilia SportCity 125
2009 Aprilia SportCity 250
2009 Husqvarna SM 610
2009-2011 Husqvarna TXC 250
2009-2010 Husqvarna TXC 450
2009-2010 Kawasaki KLX 250 SF
2009-2012 Kawasaki KRF 750 Teryx FI 4x4
2009-2012 Kawasaki KRF 750 Teryx FI 4x4 LE
2009,2011-2012 Suzuki LT-A KingQuad 500 AXi PS 4x4
2009-2011 Suzuki SFV 650 Gladius
2009 Suzuki SV 650SF
2009 Suzuki SV 650SF ABS
2009,2013 Suzuki VZ 1500 Boulevard M90
2009 Victory Kingpin Low
2009-2012 Yamaha YFZ 450R 4x2
2009-2012 Yamaha YFZ 450R SE 4x2
2010 Arctic Cat 366 Automatic 4x4
2010 Arctic Cat 700 TRV LTD 4x4
2010-2013 Hyosung ST7
2010 Suzuki RMX 450Z
2010 Victory Hammer 8-Ball
2010-2011 Yamaha YFZ 450 X 4x2
2010 Yamaha YFZ 450 X Bill Balance Edition 4x2
2011-2012 Arctic Cat 450 TRV
2011-2012 Arctic Cat 450 XC 4x4
2011-2012 Suzuki GSX 1250FA
2011-2012 Suzuki LT-A KingQuad 500 AXi 4x4
2011-2012 Yamaha FZS 1000
2011 Yamaha YFZ 450 X SE 4x2
2012 Arctic Cat 350 4x4
2012 Arctic Cat 425 4x4
2012 Arctic Cat 425 SE 4x4
2012 Arctic Cat 450 TRV GT
2012 Kawasaki KRT 750 Teryx4 4x4
2012 Kawasaki KRT 750 Teryx4 EPS 4x4
2013 Hyosung ST7 Deluxe
2013 Kawasaki EX250-J Ninja 250R
2013 Kawasaki EX300 Ninja 300R
2013 Suzuki DL 650A V-Strom ABS Adventure
2013 Triumph Tiger Explorer 1200
2013 Triumph Tiger Explorer XC 1200
2015-2016 KTM 250 SX-F Factory Edition
2016 Yamaha YZ 450 FX

Fitment Disclosure

This quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.