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Denso 5371 Spark Plug


Brand:	Denso
Part Number:	5371
UPC:	042511053717
Weight:	0.09 lbs
Condition:	New

On Sale:

$7.83

Availability:

4 in Stock

Warehouse:

US-7

Quantity:

Product Information

Description:

Get the Denso 5371 Spark Plug for your vehicle. Buy now and secure your purchase online!

Increased performance with World's smallest Iridium Center Eletrode (0.4mm).

Specifications:

Center Electrode Core Material:

Copper

Center Electrode Tip Material:

Iridium

Gap Size:

0.8 mm

Ground Configuration:

Standard

Ground Electrode Core Material:

Nickel

Ground Electrode Quantity:

Ground Electrode Tip Design:

Tapercut, U-Groove

Hex Size:

18.0 mm

Manufacturer Heat Range:

Reach:

19.00 mm

Resistance:

5000 ohms

Seat Type:

Flat

Thread Diameter:

12.00 mm

DENSO Auto Parts #:

IX22

Country of Origin:

Select a vehicle to narrow Denso 5371 Spark Plug fitment info!

Last Updated: 11/08/2023

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

2005

2004

2003

2002

2001

2000

1999

2005

2004

2003

2002

2001

2000

1999

Arctic Cat 250 2x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 250 2x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2005

2004

2003

2002

2001

2005

2004

2003

2002

2001

Arctic Cat 250 4x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 250 4x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2003

2002

2001

2000

1999

1998

2003

2002

2001

2000

1999

1998

Arctic Cat 300 2x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 300 2x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2005

2004

2003

2002

2001

2000

1999

1998

2005

2004

2003

2002

2001

2000

1999

1998

Arctic Cat 300 4x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 300 4x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1992

1991

1990

1989

1988

1987

1992

1991

1990

1989

1988

1987

BMW K100LT

-L U/K

4 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K100LT

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1988

1987

1986

1985

1984

1988

1987

1986

1985

1984

BMW K100RS

-L U/K

4 Iridium Power
Gap 0.032
Hot Plug
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K100RS

-L U/K Iridium Power
Gap 0.032
Hot Plug
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1998

1997

1996

1995

1994

1993

1998

1997

1996

1995

1994

1993

BMW K1100LT

-L U/K

4 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K1100LT

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1996

1995

1994

1993

1996

1995

1994

1993

BMW K1100RS

-L U/K

4 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K1100RS

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1988

1987

1986

1988

1987

1986

BMW K75C

-L U/K

3 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K75C

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

3 Per Vehicle

1992

1991

1990

1992

1991

1990

BMW K75RT

-L U/K

3 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K75RT

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

3 Per Vehicle

1995

1994

1993

1992

1991

1995

1994

1993

1992

1991

BMW K75RT ABS

-L U/K

3 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K75RT ABS

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

3 Per Vehicle

1992

1991

1990

1989

1988

1987

1992

1991

1990

1989

1988

1987

BMW K75S

-L U/K

3 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K75S

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

3 Per Vehicle

1973

1972

1971

1973

1972

1971

Honda CB500

-L U/K

2 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Honda CB500

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

2 Per Vehicle

1977

1976

1975

1977

1976

1975

Honda CB550F Super Sport

-L U/K

4 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Honda CB550F Super Sport

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1978

1977

1976

1975

1974

1978

1977

1976

1975

1974

Honda CB550K

-L U/K

4 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Honda CB550K

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

1976

1975

1976

1975

Honda TL250

-L U/K

2 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Honda TL250

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

2 Per Vehicle

1985

1984

1985

1984

Kawasaki KLT110

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Kawasaki KLT110

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1986

1985

1984

1983

1986

1985

1984

1983

Suzuki ALT125

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki ALT125

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1985

Suzuki ALT185

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki ALT185

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1987

Suzuki LT-F230

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT-F230

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2007

2006

2005

2004

2003

2002

2007

2006

2005

2004

2003

2002

Suzuki LT-F250 Ozark

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT-F250 Ozark

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2002

2001

2000

1999

2002

2001

2000

1999

Suzuki LT-F250F QuadRunner 4x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT-F250F QuadRunner 4x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2002

2001

2000

1999

2002

2001

2000

1999

Suzuki LT-F300F KingQuad 4x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT-F300F KingQuad 4x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2007

2006

2005

2007

2006

2005

Suzuki LT-Z250 QuadSport Z

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT-Z250 QuadSport Z

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1987

1986

1985

1987

1986

1985

Suzuki LT125

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT125

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1989

Suzuki LT160E

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT160E

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1987

1986

1985

1984

1987

1986

1985

1984

Suzuki LT185

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT185

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1993

1992

1991

1990

1989

1988

1987

1993

1992

1991

1990

1989

1988

1987

Suzuki LT230E QuadRunner

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Suzuki LT230E QuadRunner

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1982

1981

1982

1981

Yamaha SR185

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha SR185

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1984

1983

1984

1983

Yamaha TT600

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha TT600

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2010

2009

2008

2010

2009

2008

Yamaha XT250

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha XT250

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1983

1982

1983

1982

Yamaha XT550

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha XT550

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1998

1997

1996

1995

1994

1993

1992

1998

1997

1996

1995

1994

1993

1992

Yamaha YFB250 Timberwolf 2x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFB250 Timberwolf 2x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2000

1999

1998

1997

1996

1995

1994

2000

1999

1998

1997

1996

1995

1994

Yamaha YFB250FW Timberwolf 4x4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFB250FW Timberwolf 4x4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1989

1988

1987

1986

1985

1989

1988

1987

1986

1985

Yamaha YFM200 Moto-4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM200 Moto-4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1988

1987

1986

1988

1987

1986

Yamaha YFM225 Moto-4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM225 Moto-4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2003

2002

2001

2000

1999

2003

2002

2001

2000

1999

Yamaha YFM250 Bear Tracker

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM250 Bear Tracker

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2006

2005

2006

2005

Yamaha YFM250 Bruin

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM250 Bruin

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1991

1990

1989

1991

1990

1989

Yamaha YFM250 Moto-4

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM250 Moto-4

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2009

2008

2009

2008

Yamaha YFM250 Raptor

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM250 Raptor

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

2009

Yamaha YFM450 Grizzly 4x4 Auto IRS

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFM450 Grizzly 4x4 Auto IRS

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1989

Yamaha YFU1W Pro Hauler

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YFU1W Pro Hauler

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1985

1984

1983

1985

1984

1983

Yamaha YTM200 Tri-Moto

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YTM200 Tri-Moto

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

1986

1985

1984

1983

1986

1985

1984

1983

Yamaha YTM225 Tri-Moto

-L U/K

1 Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Yamaha YTM225 Tri-Moto

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

Denso 5371 Spark Plug

$7.83

Product Information

Description:

Specifications:

Select a vehicle to narrow Denso 5371 Spark Plug fitment info!

Arctic Cat 250 2x4 -L U/K

1

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 250 2x4

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 1 Per Vehicle

Arctic Cat 250 4x4 -L U/K

1

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 250 4x4

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 1 Per Vehicle

Arctic Cat 300 2x4 -L U/K

1

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 300 2x4

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 1 Per Vehicle

Arctic Cat 300 4x4 -L U/K

1

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 300 4x4

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 1 Per Vehicle

BMW K100LT -L U/K

4

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K100LT

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 4 Per Vehicle

BMW K100RS -L U/K

4

Iridium PowerGap 0.032 Hot Plug Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K100RS

-L U/K Iridium PowerGap 0.032 Hot Plug Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 4 Per Vehicle

BMW K1100LT -L U/K

4

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K1100LT

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 4 Per Vehicle

BMW K1100RS -L U/K

4

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

BMW K1100RS

-L U/K Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir) 4 Per Vehicle

BMW K75C -L U/K

3

Iridium PowerGap 0.032 Iridium PowerPerformance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

Arctic Cat 250 2x4

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

Arctic Cat 250 4x4

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

Arctic Cat 300 2x4

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

Arctic Cat 300 4x4

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

1 Per Vehicle

BMW K100LT

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

BMW K100RS

-L U/K

Iridium Power
Gap 0.032
Hot Plug
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Hot Plug
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

BMW K1100LT

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

BMW K1100RS

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

-L U/K Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)

4 Per Vehicle

BMW K75C

-L U/K

Iridium Power
Gap 0.032
Iridium Power
Performance Upgrade with World's Smallest Center Electrode (0.4 mm Dia.) and Tapered Tip Patented U-Groove Design and Patented Ir Alloy (90% Ir)