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Denso 5373 Spark Plug


Brand:	Denso
Part Number:	5373
UPC:	042511053731
Weight:	0.09 lbs
Condition:	New

On Sale:

$8.55

Availability:

81 in Stock

Warehouse:

US-7

Quantity:

Product Information

Description:

Get the Denso 5373 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 #:

IX27

Country of Origin:

Select a vehicle to narrow Denso 5373 Spark Plug fitment info!

Last Updated: 11/08/2023

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

1989

1988

1987

1986

1989

1988

1987

1986

Ferrari 328 GTB

3.2L V8 Gas DOHC

8 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)

Ferrari 328 GTB

3.2L V8 Gas DOHC 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)

8 Per Vehicle

1989

1988

1987

1986

1989

1988

1987

1986

Ferrari 328 GTS

3.2L V8 Gas DOHC

8 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)

Ferrari 328 GTS

3.2L V8 Gas DOHC 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)

8 Per Vehicle

1994

1993

1994

1993

Ferrari 348 GTS

3.4L V8 Gas DOHC

8 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)

Ferrari 348 GTS

3.4L V8 Gas DOHC 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)

8 Per Vehicle

1992

1991

1990

1989

1992

1991

1990

1989

Ferrari 348 TS

3.4L V8 Gas DOHC

8 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)

Ferrari 348 TS

3.4L V8 Gas DOHC 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)

8 Per Vehicle

1988

1987

1986

1988

1987

1986

Ferrari Mondial 3.2

3.2L V8 Gas DOHC

8 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)

Ferrari Mondial 3.2

3.2L V8 Gas DOHC 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)

8 Per Vehicle

1993

1992

1991

1990

1989

1993

1992

1991

1990

1989

Ferrari Mondial t

3.4L V8 Gas DOHC

8 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)

Ferrari Mondial t

3.4L V8 Gas DOHC 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)

8 Per Vehicle

1991

1990

1989

1988

1987

1986

1985

1991

1990

1989

1988

1987

1986

1985

Ferrari Testarossa

4.9L H12 Gas DOHC

12 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)

Ferrari Testarossa

4.9L H12 Gas DOHC 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)

12 Per Vehicle

1983

Honda CB1000C Custom

-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 CB1000C Custom

-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

1983

Honda CB1100F

-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 CB1100F

-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

1982

1981

1980

1982

1981

1980

Honda CB900C Custom

-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 CB900C Custom

-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

1982

1981

1982

1981

Honda CB900F 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 CB900F 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

1990

1989

1988

1990

1989

1988

Kawasaki EN450A 454 LTD

-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)

Kawasaki EN450A 454 LTD

-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

1986

1985

1986

1985

Kawasaki EN450A 454 LTD

-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)

Kawasaki EN450A 454 LTD

-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

1996

1995

1994

1993

1992

1991

1990

1996

1995

1994

1993

1992

1991

1990

Kawasaki EN500 Vulcan 500

-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)

Kawasaki EN500 Vulcan 500

-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

2009

Kawasaki EN500C Vulcan 500 LTD

-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)

Kawasaki EN500C Vulcan 500 LTD

-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

2008

Kawasaki EN500C Vulcan 500 LTD

-L U/K

2 Iridium Power
Gap 0.032
Cold 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)

Kawasaki EN500C Vulcan 500 LTD

-L U/K Iridium Power
Gap 0.032
Cold 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)

2 Per Vehicle

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

1996

Kawasaki EN500C Vulcan 500 LTD

-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)

Kawasaki EN500C Vulcan 500 LTD

-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

1993

1992

1991

1990

1989

1988

1987

1993

1992

1991

1990

1989

1988

1987

Kawasaki EX500

-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)

Kawasaki EX500

-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

1996

1995

1994

1996

1995

1994

Kawasaki EX500 Ninja 500

-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)

Kawasaki EX500 Ninja 500

-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

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

2009

2008

2007

2006

2005

2004

2003

2002

2001

2000

1999

1998

1997

Kawasaki EX500 Ninja 500R

-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)

Kawasaki EX500 Ninja 500R

-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

2002

2001

2000

2002

2001

2000

Kawasaki KLF220 Bayou

-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 KLF220 Bayou

-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

2008

2007

2006

2005

2004

2003

2008

2007

2006

2005

2004

2003

Kawasaki KLF250 Bayou

-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 KLF250 Bayou

-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

Kawasaki KZ305 CSR

-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)

Kawasaki KZ305 CSR

-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

1988

1987

1988

1987

Kawasaki KZ305B LTD

-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)

Kawasaki KZ305B LTD

-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

1997

1996

1997

1996

Kawasaki ZL600 Eliminator

-L U/K

4 Iridium Power
Gap 0.032
ZL600-A
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 ZL600 Eliminator

-L U/K Iridium Power
Gap 0.032
ZL600-A
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

1987

1986

1987

1986

Kawasaki ZL600 Eliminator

-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)

Kawasaki ZL600 Eliminator

-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

1991

1990

1991

1990

Kawasaki ZR550 Zephyr

-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)

Kawasaki ZR550 Zephyr

-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

1992

1991

1992

1991

Kawasaki ZR750C Zephyr

-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)

Kawasaki ZR750C Zephyr

-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

1987

Kawasaki ZX1000 Ninja 1000R

-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)

Kawasaki ZX1000 Ninja 1000R

-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

1997

1996

1995

1997

1996

1995

Kawasaki ZX600 Ninja 600R

-L U/K

4 Iridium Power
Gap 0.032
Not E and F
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 ZX600 Ninja 600R

-L U/K Iridium Power
Gap 0.032
Not E and F
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

1994

Kawasaki ZX600 Ninja 600R

-L U/K

4 Iridium Power
Gap 0.032
B Model
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 ZX600 Ninja 600R

-L U/K Iridium Power
Gap 0.032
B Model
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

1993

1992

1991

1990

1993

1992

1991

1990

Kawasaki ZX600 Ninja 600R

-L U/K

4 Iridium Power
Gap 0.032
C Model
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 ZX600 Ninja 600R

-L U/K Iridium Power
Gap 0.032
C Model
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

1989

1988

1987

1986

1985

1989

1988

1987

1986

1985

Kawasaki ZX600 Ninja 600R

-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)

Kawasaki ZX600 Ninja 600R

-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

2004

2003

2004

2003

KTM 660 Rally

-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)

KTM 660 Rally

-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

1999

1998

1997

1996

1995

1994

1993

1992

1991

1999

1998

1997

1996

1995

1994

1993

1992

1991

Lamborghini Diablo

5.7L V12 Gas DOHC

12 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)

Lamborghini Diablo

5.7L V12 Gas DOHC 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)

12 Per Vehicle

1998

Moto Guzzi V10 Centauro GT

-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)

Moto Guzzi V10 Centauro GT

-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

1986

1985

1984

1986

1985

1984

Suzuki GS1150E

-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)

Suzuki GS1150E

-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

1981

1980

1981

1980

Suzuki GS250T

-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)

Suzuki GS250T

-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

1983

1982

1983

1982

Suzuki GS300L

-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)

Suzuki GS300L

-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

2005

2004

2003

2002

2001

2000

1999

1998

1997

2005

2004

2003

2002

2001

2000

1999

1998

1997

Suzuki GSF1200S Bandit

-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)

Suzuki GSF1200S Bandit

-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

Suzuki GSX-R1100

-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)

Suzuki GSX-R1100

-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

1989

1988

1987

1986

1989

1988

1987

1986

Suzuki GSX-R750

-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)

Suzuki GSX-R750

-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

1995

1994

1993

1992

1991

1990

1989

1988

1995

1994

1993

1992

1991

1990

1989

1988

Suzuki GSX600F Katana

-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)

Suzuki GSX600F Katana

-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

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

1998

1997

1996

1995

1994

1993

1992

1991

1990

1989

Suzuki GSX750F Katana

-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)

Suzuki GSX750F Katana

-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

1983

Suzuki XN85 Turbo

-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)

Suzuki XN85 Turbo

-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

1974

1973

1974

1973

Yamaha TX500

-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 TX500

-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 5373 Spark Plug

$8.55

Product Information

Description:

Specifications:

Select a vehicle to narrow Denso 5373 Spark Plug fitment info!

Ferrari 328 GTB 3.2L V8 Gas DOHC

8

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)

Ferrari 328 GTB

3.2L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari 328 GTS 3.2L V8 Gas DOHC

8

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)

Ferrari 328 GTS

3.2L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari 348 GTS 3.4L V8 Gas DOHC

8

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)

Ferrari 348 GTS

3.4L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari 348 TS 3.4L V8 Gas DOHC

8

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)

Ferrari 348 TS

3.4L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari Mondial 3.2 3.2L V8 Gas DOHC

8

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)

Ferrari Mondial 3.2

3.2L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari Mondial t 3.4L V8 Gas DOHC

8

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)

Ferrari Mondial t

3.4L V8 Gas DOHC 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) 8 Per Vehicle

Ferrari Testarossa 4.9L H12 Gas DOHC

12

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)

Ferrari Testarossa

4.9L H12 Gas DOHC 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) 12 Per Vehicle

Honda CB1000C Custom -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)

Honda CB1000C Custom

-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

Honda CB1100F -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)

Honda CB1100F

-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

Honda CB900C Custom -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)

Honda CB900C Custom

-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

Honda CB900F Super Sport -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)

Honda CB900F Super Sport

-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

Kawasaki EN450A 454 LTD -L U/K

2

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)

Kawasaki EN450A 454 LTD

-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) 2 Per Vehicle

Kawasaki EN450A 454 LTD -L U/K

Ferrari 328 GTB

3.2L V8 Gas DOHC

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)

3.2L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari 328 GTS

3.2L V8 Gas DOHC

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)

3.2L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari 348 GTS

3.4L V8 Gas DOHC

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)

3.4L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari 348 TS

3.4L V8 Gas DOHC

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)

3.4L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari Mondial 3.2

3.2L V8 Gas DOHC

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)

3.2L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari Mondial t

3.4L V8 Gas DOHC

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)

3.4L V8 Gas DOHC 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)

8 Per Vehicle

Ferrari Testarossa

4.9L H12 Gas DOHC

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)

4.9L H12 Gas DOHC 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)

12 Per Vehicle

Honda CB1000C Custom

-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

Honda CB1100F

-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

Honda CB900C Custom

-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

Honda CB900F 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)

-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

Kawasaki EN450A 454 LTD

-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)

2 Per Vehicle

Kawasaki EN450A 454 LTD

-L U/K