Brands Vehicles

Lowest Prices

Free Returns

Online Since 2009

JOIN GEARS TO SAVE 5%

NGK 6681 Spark Plug


Brand:	NGK
Part Number:	6681
UPC:	00087295166819
Weight:	0.04 lbs
Condition:	New

On Sale:

$7.53

Availability:

46 in Stock

Warehouse:

US-4

Quantity:

Product Information

Description:

Get the NGK 6681 Spark Plug for your vehicle. Buy now and secure your purchase online!

NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.

Features and Benefits:

IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
SINGLE IRIDIUM TIP: Fine wire 0.6 millimeter iridium tip center electrode ensures high durability and a consistently stable spark
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TAPERED CUT GROUND ELECTRODE: Reduced quenching design produces outstanding ignitability, improved acceleration, fuel efficiency and durability
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal

Specifications:

Center Electrode Core Material:

Copper

Center Electrode Tip Material:

Iridium

Electrical Terminal Type:

Stud

Ground Configuration:

Standard

Ground Electrode Core Material:

Nickel

Ground Electrode Quantity:

Ground Electrode Tip Design:

Taper Cut

Hex Size:

18 mm

Insulator Height:

50.50 mm

Manufacturer Heat Range:

Part Number:

DR8EIX

Pre-Gap Size:

.032 in.

Reach:

.75 in.

Resistance:

5000.0 Ohm

Seat Type:

Flat

Stock Number:

6681

Thread Diameter:

12.00 mm

Autolite #:

XS4163

Autolite #:

XS4163DP

Champion Spark Plug #:

A6G

Champion Spark Plug #:

A6GC

Champion Spark Plug #:

R6G

DENSO Auto Parts #:

4100

DENSO Auto Parts #:

4167

DENSO Auto Parts #:

5372

DENSO Auto Parts #:

6681

DENSO Auto Parts #:

IX24

DENSO Auto Parts #:

X24ES-GU

DENSO Auto Parts #:

X24ES-ZU

DENSO Auto Parts #:

X24ES-ZU9

DENSO Auto Parts #:

X24ESR-ZU

DENSO Auto Parts #:

X24ESR-ZU9

Daihatsu #:

999-06910-X9-014

NGK #:

6681

Suzuki #:

99000-69835-DR8

Suzuki #:

99000-79A45-D8E

Torch #:

D8RP

Yamaha #:

90793-20011

Yamaha #:

90793-20022

Yamaha #:

90793-20152

Country of Origin:

Manufacturer Warranty:

2 Months

Select a vehicle to narrow NGK 6681 Spark Plug fitment info!

Last Updated: 09/02/2024

Years

Vehicle

Per Vehicle

Fit Notes

Fitment Notes

Aprilia Pegaso 650

-L U/K

1 Iridium IX Spark Plug
MX
Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark Plug
MX
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

1 Iridium IX Spark Plug
ML
Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark Plug
ML
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

1 Iridium IX Spark Plug
MX
Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark Plug
MX
Gap 0.028

1 Per Vehicle

1996

Aprilia Pegaso 650

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Arctic Cat 150

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Arctic Cat 150

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Arctic Cat 150 2x4

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Arctic Cat 150 2x4

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2003

ATK 125 Enduro (4-Stroke)

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 125 Enduro (4-Stroke)

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 350 CC

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 350 CC

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

2002

ATK 350 Enduro

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 350 Enduro

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 350 Enduro

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 350 Enduro

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

2003

ATK 500 DT

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 500 DT

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

1999

ATK 500 DT

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 500 DT

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 500 Enduro

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 500 Enduro

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 600 DT

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 600 DT

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 605 CC

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 605 CC

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 605 Enduro

-L U/K

1 Iridium IX Spark Plug
Gap 0.025

ATK 605 Enduro

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

Benelli Tornado Tre 900

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

Benelli Tornado Tre 900

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

Benelli Tornado Tre 900 RS

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

Benelli Tornado Tre 900 RS

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW F650

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW F650 Enduro

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650 Enduro

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

1999

BMW F650 SE

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650 SE

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW F650GS

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650GS

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW F650GS ABS

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650GS ABS

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW F650GS Dakar

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650GS Dakar

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW F650GS Dakar ABS

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650GS Dakar ABS

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

1997

BMW F650ST

-L U/K

1 Iridium IX Spark Plug
Gap 0.032

BMW F650ST

-L U/K Iridium IX Spark Plug
Gap 0.032

1 Per Vehicle

BMW K1

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K1

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100RS

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100RS

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100RS ABS

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100RS ABS

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100RS FL

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100RS FL

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100RS FL ABS

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100RS FL ABS

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K100RT

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K100RT

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

1995

BMW K75

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K75

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

BMW K75

-L U/K

1 Iridium IX Spark Plug
Exc. K75/2
Gap 0.020

BMW K75

-L U/K Iridium IX Spark Plug
Exc. K75/2
Gap 0.020

1 Per Vehicle

BMW K75

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K75

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

1995

BMW K75/3

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K75/3

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

1995

BMW K75/3A

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K75/3A

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

1994

BMW K75A

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

BMW K75A

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

Bombardier DS650

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier DS650

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier DS650 Baja

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier DS650 Baja

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2004

Bombardier DS650 Baja X

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier DS650 Baja X

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier DS650 Racer

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier DS650 Racer

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier DS650 X

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Bombardier DS650 X

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

2005

Bombardier Traxter 500 4x4 Auto

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 4x4 Auto

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier Traxter 500 4x4 Auto

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 4x4 Auto

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2005

Bombardier Traxter 500 4x4 Auto XT

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 4x4 Auto XT

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier Traxter 500 4x4 Auto XT

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 4x4 Auto XT

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2005

Bombardier Traxter 500 Auto 4x4 CVT

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 Auto 4x4 CVT

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2005

Bombardier Traxter 500 XL

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 XL

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Bombardier Traxter 500 XL

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter 500 XL

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2005

Bombardier Traxter Max 500 4x4 Auto

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter Max 500 4x4 Auto

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2005

Bombardier Traxter Max 500 4x4 Auto XT

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Bombardier Traxter Max 500 4x4 Auto XT

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2007

Can-Am DS 650 X

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Can-Am DS 650 X

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

1990

Chrysler TC Maserati

2.2L L4 Gas DOHC Turbo

4 Iridium IX Spark Plug
Gap 0.025

Chrysler TC Maserati

2.2L L4 Gas DOHC Turbo Iridium IX Spark Plug
Gap 0.025

4 Per Vehicle

1989

Chrysler TC Maserati

2.2L L4 Gas DOHC Turbo

4 Iridium IX Spark Plug
Gap 0.025
8th VIN Digit: R

Chrysler TC Maserati

2.2L L4 Gas DOHC Turbo Iridium IX Spark Plug
Gap 0.025
8th VIN Digit: R

4 Per Vehicle

Cub Cadet Challenger 500

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Cub Cadet Challenger 500

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Cub Cadet Challenger 550

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Cub Cadet Challenger 550

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

2017

Cub Cadet Challenger 550 Camo

-L U/K

1 Iridium IX Spark Plug
Gap 0.024

Cub Cadet Challenger 550 Camo

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

1987

Ducati 750 Paso

-L U/K

1 Iridium IX Spark Plug
Gap 0.020

Ducati 750 Paso

-L U/K Iridium IX Spark Plug
Gap 0.020

1 Per Vehicle

Ferrari 328 GTB

3.2L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 328 GTB

3.2L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari 328 GTS

3.2L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 328 GTS

3.2L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

1968

Ferrari 330 GT

4.0L V12 Gas SOHC

12 Iridium IX Spark Plug
Gap 0.025

Ferrari 330 GT

4.0L V12 Gas SOHC Iridium IX Spark Plug
Gap 0.025

12 Per Vehicle

1968

Ferrari 330 GTC

4.0L V12 Gas SOHC

12 Iridium IX Spark Plug
Gap 0.025

Ferrari 330 GTC

4.0L V12 Gas SOHC Iridium IX Spark Plug
Gap 0.025

12 Per Vehicle

1968

Ferrari 330 GTS

4.0L V12 Gas SOHC

12 Iridium IX Spark Plug
Gap 0.025

Ferrari 330 GTS

4.0L V12 Gas SOHC Iridium IX Spark Plug
Gap 0.025

12 Per Vehicle

Ferrari 348 GTB

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 348 GTB

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari 348 GTS

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 348 GTS

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari 348 Spider

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 348 Spider

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari 348 TB

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 348 TB

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari 348 TS

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari 348 TS

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari Mondial 3.2

3.2L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari Mondial 3.2

3.2L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari Mondial 8

3.0L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari Mondial 8

3.0L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari Mondial t

3.4L V8 Gas DOHC

8 Iridium IX Spark Plug
Gap 0.025

Ferrari Mondial t

3.4L V8 Gas DOHC Iridium IX Spark Plug
Gap 0.025

8 Per Vehicle

Ferrari Testarossa

4.9L H12 Gas DOHC

12 Iridium IX Spark Plug
Gap 0.025

Ferrari Testarossa

4.9L H12 Gas DOHC Iridium IX Spark Plug
Gap 0.025

12 Per Vehicle

Honda ATC125M

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC125M

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1980

Honda ATC185

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC185

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC185S

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC185S

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC200

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC200E

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200E

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1984

Honda ATC200ES

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200ES

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC200M

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200M

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC200S

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200S

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC200X

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC200X

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC250ES Big Red

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC250ES Big Red

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC250SX

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC250SX

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda ATC350X

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda ATC350X

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB100 Super Sport

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB100 Super Sport

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1983

Honda CB1000C Custom

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB1000C Custom

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1983

Honda CB1100F

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB1100F

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB125S

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB125S

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB200

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB200

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB350F

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB350F

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1978

Honda CB400A Hondamatic

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB400A Hondamatic

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB400F Super Sport

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB400F Super Sport

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB400T Hawk

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB400T Hawk

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Honda CB400TII Hawk II

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB400TII Hawk II

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1982

Honda CB450SC Nighthawk

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB450SC Nighthawk

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

1982

Honda CB450T Hawk

-L U/K

1 Iridium IX Spark Plug
Gap 0.028

Honda CB450T Hawk

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

See More Fitments on Page 2 - or - Select Your Vehicle Above

NGK 6681 Spark Plug

$7.53

Product Information

Description:

Features and Benefits:

Specifications:

Manufacturer Warranty:

Select a vehicle to narrow NGK 6681 Spark Plug fitment info!

Aprilia Pegaso 650 -L U/K

1

Iridium IX Spark PlugMX Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark PlugMX Gap 0.028 1 Per Vehicle

Aprilia Pegaso 650 -L U/K

1

Iridium IX Spark PlugGap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark PlugGap 0.028 1 Per Vehicle

Aprilia Pegaso 650 -L U/K

1

Iridium IX Spark PlugML Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark PlugML Gap 0.028 1 Per Vehicle

Aprilia Pegaso 650 -L U/K

1

Iridium IX Spark PlugMX Gap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark PlugMX Gap 0.028 1 Per Vehicle

Aprilia Pegaso 650 -L U/K

1

Iridium IX Spark PlugGap 0.028

Aprilia Pegaso 650

-L U/K Iridium IX Spark PlugGap 0.028 1 Per Vehicle

Arctic Cat 150 -L U/K

1

Iridium IX Spark PlugGap 0.024

Arctic Cat 150

-L U/K Iridium IX Spark PlugGap 0.024 1 Per Vehicle

Arctic Cat 150 2x4 -L U/K

1

Iridium IX Spark PlugGap 0.024

Arctic Cat 150 2x4

-L U/K Iridium IX Spark PlugGap 0.024 1 Per Vehicle

ATK 125 Enduro (4-Stroke) -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 125 Enduro (4-Stroke)

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 350 CC -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 350 CC

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 350 Enduro -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 350 Enduro

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 350 Enduro -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 350 Enduro

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 500 DT -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 500 DT

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 500 DT -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 500 DT

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

ATK 500 Enduro -L U/K

1

Iridium IX Spark PlugGap 0.025

ATK 500 Enduro

-L U/K Iridium IX Spark PlugGap 0.025 1 Per Vehicle

Aprilia Pegaso 650

-L U/K

Iridium IX Spark Plug
MX
Gap 0.028

-L U/K Iridium IX Spark Plug
MX
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

Iridium IX Spark Plug
Gap 0.028

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

Iridium IX Spark Plug
ML
Gap 0.028

-L U/K Iridium IX Spark Plug
ML
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

Iridium IX Spark Plug
MX
Gap 0.028

-L U/K Iridium IX Spark Plug
MX
Gap 0.028

1 Per Vehicle

Aprilia Pegaso 650

-L U/K

Iridium IX Spark Plug
Gap 0.028

-L U/K Iridium IX Spark Plug
Gap 0.028

1 Per Vehicle

Arctic Cat 150

-L U/K

Iridium IX Spark Plug
Gap 0.024

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

Arctic Cat 150 2x4

-L U/K

Iridium IX Spark Plug
Gap 0.024

-L U/K Iridium IX Spark Plug
Gap 0.024

1 Per Vehicle

ATK 125 Enduro (4-Stroke)

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 350 CC

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 350 Enduro

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 350 Enduro

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 500 DT

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 500 DT

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle

ATK 500 Enduro

-L U/K

Iridium IX Spark Plug
Gap 0.025

-L U/K Iridium IX Spark Plug
Gap 0.025

1 Per Vehicle