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ktm Spark Plug

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Denso 5373 Spark PlugDenso 5373 Spark Plug
DensoPart # 5373
Denso 5373 Spark Plug
53 Reviews
$14.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1985-1989 Ferrari 328 GTB, 1985-1989 Ferrari 328 GTS, 1985-1991 Ferrari Testarossa, 1986-1988 Ferrari Mondial 3.2, 1989-1992 Ferrari 348 TS, 1989-1993 Ferrari Mondial t, 1993-1994 Ferrari 348 GTS, 1980-1982 Honda CB900C Custom, 1981-1982 Honda CB900F Super Sport, 1983-1983 Honda CB1000C Custom, 1983-1983 Honda CB1100F, 2003-2004 KTM 660 Rally, 1981-1982 Kawasaki KZ305 CSR, 1985-1986 Kawasaki EN450A 454 LTD, 1985-1989 Kawasaki ZX600 Ninja 600R, 1986-1987 Kawasaki ZL600 Eliminator, 1987-1987 Kawasaki ZX1000 Ninja 1000R, 1987-1988 Kawasaki KZ305B LTD, 1987-1993 Kawasaki EX500, 1988-1990 Kawasaki EN450A 454 LTD
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5373, IX27
item #1004Z5A2
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Denso 4045 Spark Plug
DensoPart # 4045
Denso 4045 Spark Plug
53 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2004 Aprilia RS 50, 1974-1974 Arctic Cat El Tigre 295, 1974-1974 Arctic Cat El Tigre 400, 1974-1975 Arctic Cat El Tigre 340, 1974-1975 Arctic Cat El Tigre 440, 1977-1977 Arctic Cat Cross Country Cat, 1979-1981 Arctic Cat Pantera, 1979-1981 Arctic Cat Panther, 1980-1981 Arctic Cat Trail Cat 400, 1984-1985 Arctic Cat Panther, 1985-1990 Arctic Cat Cougar, 1985-1992 Arctic Cat Pantera, 1986-1988 Arctic Cat Cheetah 500 F/C, 1987-1988 Arctic Cat Jag 440, 1987-1992 Arctic Cat Super Jag, 1988-1990 Arctic Cat Jag 340 Deluxe, 1989-1993 Arctic Cat Panther, 1990-1990 Arctic Cat Wildcat 650, 1990-1991 Arctic Cat Jag AFS Deluxe, 1990-1994 Arctic Cat Prowler
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4045, W27ESR-U
item #1002HCQY
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Denso 5372 Spark Plug
DensoPart # 5372
Denso 5372 Spark Plug
53 Reviews
$16.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1991-1993 ATK 350, 1991-1999 ATK 350 CC, 1993-1993 ATK 605, 1993-2000 ATK 605 CC, 1997-1997 ATK 350 DS, 1998-1999 ATK 350 Enduro, 1998-2002 ATK 600 DT, 2000-2003 ATK 600 MT, 2002-2002 ATK 350 Enduro, 2002-2003 ATK 500 Enduro, 1996-2002 Aprilia Pegaso 650, 2009-2009 Arctic Cat 150 2x4, 1983-1986 BMW K100, 1984-1988 BMW K100RS, 1985-1988 BMW K100RT, 1988-1995 BMW K75, 1997-1997 BMW F650ST, 1997-2000 BMW F650, 2001-2003 BMW F650CS, 2004-2006 BMW F650GS Dakar
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5372, IX24
item #1004Z61E
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Denso 5384 Spark Plug
DensoPart # 5384
Denso 5384 Spark Plug
53 Reviews
$18.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2009-2009 KTM 65 SX, 2009-2009 KTM 65 XC, 1986-2007 Kawasaki EX250F Ninja 250R, 1988-1989 Kawasaki EL250 Eliminator, 1991-1991 Kawasaki EL250 Eliminator
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5384, IUF24
item #1004Z31V
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Denso 4046 Spark Plug
DensoPart # 4046
Denso 4046 Spark Plug
53 Reviews
$8.99
Quantity Less than 4
Edit ZIP code
3-year warranty
90 days free return
Fits 1980-1980 Can-Am 125 MX-6, 1980-1980 Can-Am 400 MX-6, 1998-1999 Cobra KING, 2004-2004 Gas Gas SM 50, 1973-1976 Honda CR250M, 1974-1978 Honda CR125M, 1980-1983 Honda CR80R, 1982-1984 Husqvarna XC125, 1986-1986 Husqvarna XC125, 1991-1991 Husqvarna WXE 250, 1991-1991 Husqvarna WXE 260, 1992-1993 Husqvarna WXC 250, 1994-1997 Husqvarna WXE 250, 1996-1997 Husqvarna WXC 250, 1990-1992 KTM 300 DXC, 1991-1995 KTM 250 EXC, 1991-1995 KTM 300 EXC, 1992-1992 KTM 300 SX, 1992-1992 KTM 500 SX, 1992-1995 KTM 250 SX
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4046, W27ES-U
item #1002HKKS
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Denso 4033 Spark Plug
DensoPart # 4033
Denso 4033 Spark Plug
53 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1997-1998 Aprilia RS 125, 1974-1976 Arctic Cat Cheetah 440, 1974-1976 Arctic Cat Panther 440, 1979-1980 Arctic Cat Trail Cat 300, 1987-1990 Arctic Cat Jag 340, 1991-1991 Arctic Cat Lynx, 1997-1997 Gas Gas Enducross 250, 1998-1999 Gas Gas MC 250, 2003-2005 Gas Gas EC Rookie 50, 1970-1972 Honda 600, 1981-1981 Honda FL250 Odyssey, 1982-1983 Honda ATC250R, 1982-1986 Honda CR250R, 1984-2001 Honda CR500R, 1986-1986 Honda TRX250R, 1986-1986 Honda TRX350, 1989-2004 Honda CR250R, 1990-1990 Honda NS50F, 1973-1975 John Deere JDX8, 1978-1982 John Deere Spitfire 340
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4033, W24ESR-U, 999 170 128 90
item #1002HETC
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Spark Plug - Denso 5713
DensoPart # 5713
Spark Plug - Denso 5713
53 Reviews
$51.99
Quantity Less than 2
Edit ZIP code
3-year warranty
90 days free return
Fits 1988-1990 ATK 250, 1988-1990 ATK 406, 1991-1996 ATK 250 CC, 1991-1996 ATK 406 CC, 1995-2000 ATK 250 LQ, 1996-1999 ATK 260 LQ, 1997-1998 Aprilia RS 125, 1974-1974 Arctic Cat Panther 340, 1974-1975 Arctic Cat Cheetah 340, 1974-1976 Arctic Cat Cheetah 440, 1974-1976 Arctic Cat Panther 440, 1979-1980 Arctic Cat Trail Cat 300, 1987-1990 Arctic Cat Jag 340, 1991-1991 Arctic Cat Lynx, 1977-1979 Bultaco Pursang 250, 1977-1979 Bultaco Pursang 370, 1978-1979 Bultaco Frontera 250, 1978-1979 Bultaco Frontera 370, 1980-1980 Can-Am 125 MX-6, 1997-1997 Gas Gas Enducross 250
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5713, IW01-24
item #1004Z2U4
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Denso 4037 Spark Plug
DensoPart # 4037
Denso 4037 Spark Plug
53 Reviews
$8.99
Quantity Less than 5
Edit ZIP code
3-year warranty
90 days free return
Fits 1982-1982 Honda MB5, 2000-2002 KTM 50 Mini Adventure, 2000-2002 KTM 50 Sr Adventure, 2001-2002 KTM 50 Jr Adventure, 2001-2002 KTM 50 SX Pro Sr LC, 2002-2002 KTM 50 SX Pro Jr LC, 2003-2004 LEM Cayman LC, 2003-2004 LEM Cayman S6, 2003-2004 LEM Condor S6, 1995-1995 Wet Jet Duo 300, 1997-1997 Wet Jet Kraze, 1997-1997 Wet Jet ZX, 1982-1990 Yamaha BR250 Bravo, 1988-1990 Yamaha SV80 Snoscoot, 1990-1991 Yamaha SV125 Snosport, 1990-1991 Yamaha SV125E Snosport (Electric Start), 1990-1993 Yamaha WRA650 WaveRunner III, 1992-1993 Yamaha BR250 Bravo, 1993-1994 Yamaha WRB700 WaveRunner Pro VXR, 1994-1996 Yamaha RA700 WaveRaider
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4037, W24FSR
item #1002HHKQ
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Denso 3073 Spark Plug
DensoPart # 3073
Denso 3073 Spark Plug
53 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1962-1963 Chevrolet Corvair, 1962-1963 Chevrolet Corvair, 1974-1975 Honda MR50, 1997-1997 KTM 50 SXR Pro Jr, 1997-1997 KTM 50 SXR Pro Sr, 1974-1975 Yamaha TY80, 1981-1982 Yamaha LB50
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
3073, W20FS-U
item #1002H7AL
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Denso 5309 Spark Plug
DensoPart # 5309
Denso 5309 Spark Plug
53 Reviews
$16.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2003-2005 Arctic Cat Bearcat Widetrack, 2004-2007 Arctic Cat T660 Touring, 2005-2005 Arctic Cat T660 Turbo, 2006-2007 Arctic Cat Bearcat Widetrack Turbo Articulating, 2006-2007 Arctic Cat Panther 660 Touring, 2006-2007 Arctic Cat Panther 660 Trail, 2006-2008 Arctic Cat Bearcat Widetrack Turbo, 2001-2006 BMW M3, 2002-2002 BMW Z3, 2002-2003 BMW R1150R, 2004-2004 BMW R1200C Montauk, 2004-2004 BMW R1200GS, 2004-2005 BMW R1150GS Adventure, 2005-2005 BMW R1150R, 2005-2007 BMW R1200ST, 2006-2006 BMW R1200S, 2006-2008 BMW F800S, 2006-2008 BMW F800ST, 2006-2008 BMW Z4, 2008-2008 BMW HP2 Megamoto
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5309, IXU24, 12 12 0 022 902
item #1004Z4CS
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Denso 3098 Spark Plug
DensoPart # 3098
Denso 3098 Spark Plug
53 Reviews
$8.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1970-1971 Alfa Romeo Berlina, 1970-1971 Alfa Romeo Spider, 1972-1981 Alfa Romeo Spider, 1975-1977 Alfa Romeo Alfetta, 1977-1979 Alfa Romeo Sprint, 1978-1979 Alfa Romeo Sport, 1977-1980 Honda FL250 Odyssey, 1989-1990 Honda FL400R Pilot, 2005-2005 KTM 300 EXC, 2005-2005 KTM 300 MXC, 2006-2008 KTM 250 XC, 2006-2008 KTM 250 XC-W, 2006-2008 KTM 300 XC, 2006-2008 KTM 300 XC-W, 1987-1992 Kawasaki JS440, 1988-1988 Kawasaki JS300, 1988-1995 Kawasaki JF650 X2, 1989-1992 Kawasaki JB650 Jet Mate, 1989-1996 Kawasaki JF650 TS, 1991-1993 Kawasaki JS650 650SX
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
3098, W22ESR-U
item #1002H7NK
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Spark Plug - Denso 4035
DensoPart # 4035
Spark Plug - Denso 4035
53 Reviews
$14.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 2002-2004 Gas Gas MC 250, 2003-2005 Gas Gas Wild HP 300, 1982-1983 Honda CR480R, 1998-1999 Honda CR125R, 2002-2002 Husqvarna WR360, 2002-2006 Husqvarna WR250, 1996-1996 KTM 250 EXC, 1996-1996 KTM 250 SX, 1996-1996 KTM 300 EXC, 1996-1996 KTM 300 MXC, 1996-1996 KTM 360 EXC, 1996-1996 KTM 360 MXC, 1996-1996 KTM 360 SX, 1998-2003 KTM 200 MXC, 1998-2005 KTM 200 EXC, 2006-2008 KTM 200 XC, 2006-2008 KTM 200 XC-W, 1998-2004 Kawasaki KX500, 2001-2007 Suzuki RM250, 2006-2008 Suzuki RMZ250
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4035, W24ESR-V
item #1002HC8L
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Spark Plug - Denso 4038
DensoPart # 4038
Spark Plug - Denso 4038
53 Reviews
$9.99
Only 1 item left in stock
Edit ZIP code
3-year warranty
90 days free return
Fits 1999-2002 ATK 50 MX, 1992-1992 Gas Gas Enducross 50, 1996-1996 KTM 50 SXR Pro Jr, 1996-1996 KTM 50 SXR Pro Sr, 1998-1999 KTM 50 Mini Adventure, 1968-1970 Kawasaki F3 Bushwhacker, 1969-1970 Kawasaki F4, 1969-1970 Kawasaki G3TR, 1969-1974 Kawasaki G3SS, 1971-1972 Kawasaki F8, 1971-1973 Kawasaki F6, 1972-1975 Kawasaki G5, 1974-1975 Kawasaki KS125, 1974-1975 Kawasaki S3 Mach II, 1975-1979 Kawasaki KD125, 1976-1976 Kawasaki KH100, 1976-1977 Kawasaki KE100, 1976-1977 Kawasaki KH400, 1976-1978 Kawasaki KE175, 1976-1979 Kawasaki KE125
Add Trim and Engine info to ensure a guaranteed fit
Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4038, W24FS-U
item #1002HKH8
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Denso 5307 Spark Plug
DensoPart # 5307
Denso 5307 Spark Plug
53 Reviews
$14.99
Edit ZIP code
3-year warranty
90 days free return
Fits 1970-1971 Alfa Romeo Berlina, 1970-1971 Alfa Romeo Spider, 1972-1981 Alfa Romeo Spider, 1975-1977 Alfa Romeo Alfetta, 1977-1979 Alfa Romeo Sprint, 1978-1979 Alfa Romeo Sport, 1970-1971 Audi 100 Series, 1972-1973 Audi 100 Series, 1972-1973 Audi 100 Series, 1972-1974 Audi 100 Series, 1973-1976 Audi Fox, 1975-1977 Audi 100 Series, 1983-1985 Audi Quattro, 1984-1985 Audi 5000, 1985-1985 Audi 5000, 1986-1987 Audi 4000 Quattro, 1986-1987 Audi 5000, 1986-1988 Audi 5000 Quattro, 1987-1987 Audi 4000, 1987-1987 Audi 5000
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
5307, IW22, 5613100, 19302733, 22401-P8317, 101 000 007 AB, 101 000 036 AA, 8-94217-232-0, 
...View more
item #1004Z3R6
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1998-2002 KTM 50 3 Pack Nickel Spark Plug | A-Premium APSP301
A-Premium®Part # APSP301
1998-2002 KTM 50 3 Pack Nickel Spark Plug | A-Premium APSP301
4.7241 Reviews
$16.99
Edit ZIP code
2-year warranty
90 days free return
Fits KTM 50: 1998 1999 2000 2001 2002
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Vehicle: KTM
Item LocatedUnited States
Quantity3
Part interchange
B8HS, 5510
ConditionNew
item #1018E2Y4
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Denso 4158 Spark Plug
DensoPart # 4158
Denso 4158 Spark Plug
53 Reviews
$11.99
Edit ZIP code
3-year warranty
90 days free return
Fits 2000-2001 KTM 400 LC4, 2000-2002 KTM 400 EXC, 2000-2002 KTM 400 SX, 2000-2002 KTM 520 EXC, 2000-2002 KTM 520 MXC, 2000-2002 KTM 520 SX, 2001-2002 KTM 400 MXC, 2003-2005 KTM 950 Adventure, 2004-2005 KTM 950 Adventure S, 2006-2007 KTM 950 Supermoto, 1991-1993 Suzuki GSF400 Bandit, 2002-2007 Suzuki DL1000 V-Strom, 2003-2007 Suzuki SV1000/S, 2004-2005 Suzuki DL650 V-Strom, 2002-2002 VOR 450 EN, 2002-2002 VOR 530 EN, 2002-2002 VOR 530 MX, 2002-2002 VOR 530 SM, 2004-2004 VOR 530 MX, 2004-2005 VOR 450 MX
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Vehicle: KTM
Item LocatedUnited States
Quantity1
Part interchange
4158, U24ETR
item #1002HGVT
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Page 2 of 2

What does a spark plug do?

A spark plug is like the ignition spark that gets your engine firing on all cylinders—literally. It’s a small but vital part that plays a huge role in the engine’s performance. When you start your car, the spark plug generates a spark that ignites the fuel and air mixture inside the engine’s cylinders. This controlled explosion powers the engine’s pistons, which then turn the crankshaft and keep the vehicle moving. Without the spark plug, the engine would fail to combust the fuel, and your car simply wouldn’t start.

Not only does the spark plug create this spark, but it also helps keep the combustion process efficient. A properly working spark plug ensures smooth engine performance, better fuel efficiency, and lower emissions. Over time, spark plugs wear out and can affect everything from acceleration to engine misfires. So, while it’s a small part, its job is crucial for your vehicle to run properly and efficiently.

Symptoms of a bad spark plug

Bad spark plugs can cause several noticeable symptoms in your vehicle. You might experience engine misfires, where the engine runs unevenly, jerks, or stalls. Poor acceleration is another sign, with your car feeling sluggish or slow to respond when you press the gas pedal. A rough idle, where the engine shakes or vibrates at a stop, is also common. If you notice your car is using more gas than usual, it could be due to decreased fuel efficiency caused by faulty spark plugs. Hard starting, where the engine takes longer to crank, and the Check Engine light coming on are also indicators. Lastly, you may see increased exhaust emissions, with a strong gasoline smell or black smoke coming from the tailpipe. If you notice any of these, it’s a good idea to check and replace your spark plugs.

Get the best spark plugs here at A-Premium

Say goodbye to rough idling, engine misfires, or starting issues with the new spark plugs from A-Premium. Our spark plugs are compatible with virtually all makes and models across a wide range of heat ratings. Shop online now and enjoy free shipping and fast delivery.

At A-Premium, we make it simple to find the perfect parts for your vehicle. If you're asking, “Which spark plugs do I need?” just enter your car’s year, make, model, and engine details at the top of this page, and we'll help you choose the right spark plugs. For example, if you need spark plugs for your Honda Civic, just enter its information, and we’ll recommend the perfect fit. Shop now!