Spark Plug 6664
Spark Plug 6664

NGK Spark Plug 6664

Price
$22.78
Buying Options: OEM Genuine

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AUTO PART

NGK Spark Plug 6664

Spark Plug, B7EVIX NGK, Iridium-IX

Manufacturer Part Number6664
Part TypeSpark Plug
BrandNGK
Verified vehicle applications are listed below. Match your exact vehicle configuration before ordering. Confirm by manufacturer part number and application before ordering.
Confirm year, make, model, engine and drivetrain before ordering.

Verified Vehicle Fitment

Make: Benelli, Gas Gas, Harley-Davidson, Honda, Husaberg, Husqvarna, KTM, Kawasaki, MG, Porsche, Scorpion, Sea-Doo, Sherco, Ski-Doo, Suzuki, Yamaha
Model: 93 verified models — see exact combinations below.
Years: 1959, 1965–2004, 2006–2025 — varies by model and configuration.

Check before ordering: Match the year, make, model, position, and every engine, transmission or other restriction in the same row. Listed years do not apply to every model.

View vehicle applications (99 configuration groups)
Years Make Model Position Engine / transmission / notes
2008–2009 Benelli Velvet 125 — Engine: - --; 2C, Gap 0.020in
2023–2025 Gas Gas EC 250 — Engine: - --; Gap 0.028in
2023–2025 Gas Gas EC 300 — Engine: - --; Gap 0.028in
2025 Gas Gas EC 300 GP — Engine: - --; Gap 0.028in
2023 Gas Gas EX 250 — Engine: - --; Gap 0.028in
2023 Gas Gas EX 300 — Engine: - --; Gap 0.028in
1974–1975 Harley-Davidson SX125 — Engine: - --; Gap 0.020in
1979 Honda Accord — Gap 0.032in
1977–1980 Honda FL250 Odyssey — Engine: - --; Gap 0.032in
1989–1990 Honda FL400R Pilot — Engine: - --; Gap 0.032in
1979 Honda Prelude — Gap 0.032in
1980 Honda Prelude — with Federal Emissions System, Gap 0.032in
1973–1978 Honda XL175 — Engine: - --; Gap 0.028in
2011–2014 Husaberg TE250 — Engine: - --; Gap 0.028in
2011–2014 Husaberg TE300 — Engine: - --; Gap 0.028in
2014–2018, 2024–2025 Husqvarna TE250 — Engine: - --; Gap 0.028in
2020–2022 Husqvarna TE250i — Engine: - --; Gap 0.028in
2014–2018, 2024–2025 Husqvarna TE300 — Engine: - --; Gap 0.028in
2023, 2025 Husqvarna TE300 Heritage — Engine: - --; Gap 0.028in
2024–2025 Husqvarna TE300 Pro — Engine: - --; Gap 0.028in
2020–2023 Husqvarna TE300i — Engine: - --; Gap 0.028in
2017–2019 Husqvarna TX300 — Engine: - --; Gap 0.028in
2020 Husqvarna TX300i — Engine: - --; Gap 0.028in
1989–1992 Kawasaki JB650 Jet Mate — Engine: - --; Gap 0.032in
1989–1996 Kawasaki JF650 TS — Engine: - --; Gap 0.032in
1986, 1988–1995 Kawasaki JF650 X2 — Engine: - --; Gap 0.032in
1991–1995 Kawasaki JL650 SC — Engine: - --; Gap 0.032in
1986–1988 Kawasaki JS300 — Engine: - --; Gap 0.032in
1987–1991 Kawasaki JS300 300SX — Engine: - --; Gap 0.032in
1976 Kawasaki JS400 — Engine: - --; Gap 0.020in
1977–1992 Kawasaki JS440 — Engine: - --; Gap 0.032in
1987–1993 Kawasaki JS650 650SX — Engine: - --; Gap 0.032in
1980–1982 Kawasaki KE175 — Engine: - --; Gap 0.028in
1978–1982 Kawasaki KL250 — Engine: - --; Gap 0.030in
1983 Kawasaki KL250 — Engine: - --; Gap 0.032in
1981–1984 Kawasaki KLT200 — Engine: - --; Gap 0.032in
1979–1980 Kawasaki KLX250 — Engine: - --; Gap 0.032in
1978 Kawasaki KZ200 — Engine: - --; Gap 0.032in
1974–1977 Kawasaki KZ400/D — Engine: - --; Gap 0.032in
1977–1978 Kawasaki KZ400A Deluxe — Engine: - --; Gap 0.032in
1978–1979 Kawasaki KZ400B — Engine: - --; Gap 0.032in
1978 Kawasaki KZ400C Special — Engine: - --; Gap 0.032in
1979 Kawasaki KZ400H LTD — Engine: - --; Gap 0.032in
1975–1977 Kawasaki KZ400S Special — Engine: - --; Gap 0.032in
1980–1982 Kawasaki KZ440A LTD — Engine: - --; Gap 0.028in
1980–1981 Kawasaki KZ440B/G — Engine: - --; Gap 0.028in
1980–1983 Kawasaki KZ440D LTD Belt — Engine: - --; Gap 0.028in
1977–1980 Kawasaki KZ650B/F — Engine: - --; Gap 0.032in
1977–1979 Kawasaki KZ650C Custom — Engine: - --; Gap 0.032in
1980 Kawasaki KZ650E LTD — Engine: - --; Gap 0.032in
1966–1967 Kawasaki W1 — Engine: - --; Gap 0.032in
1968–1969 Kawasaki W2SS Commander — Engine: - --; Gap 0.032in
1969 Kawasaki W2TT Commander — Engine: - --; Gap 0.032in
2006–2019 KTM 250 XC — Engine: - --; Gap 0.028in
2020–2022 KTM 250 XC TPI — Engine: - --; Gap 0.024in
2023–2025 KTM 250 XC-W — Engine: - --; Gap 0.024in
2006–2018 KTM 250 XC-W — Engine: - --; Gap 0.028in
2020–2022 KTM 250 XC-W TPI — Engine: - --; Gap 0.024in
2006–2019 KTM 300 XC — Engine: - --; Gap 0.028in
2021–2022 KTM 300 XC TPI — Engine: - --; Gap 0.024in
2023–2025 KTM 300 XC-W — Engine: - --; Gap 0.024in
2006–2018 KTM 300 XC-W — Engine: - --; Gap 0.028in
2025 KTM 300 XC-W Champion Edition — Engine: - --; Gap 0.024in
2024 KTM 300 XC-W ERZBERGRODEO — Engine: - --; Gap 0.024in
2025 KTM 300 XC-W Factory Edition — Engine: - --; Gap 0.024in
2025 KTM 300 XC-W Hardenduro — Engine: - --; Gap 0.024in
2017–2018 KTM 300 XC-W Six Days — Engine: - --; Gap 0.024in
2016 KTM 300 XC-W Six Days — Engine: - --; Gap 0.028in
2020–2022 KTM 300 XC-W TPI — Engine: - --; Gap 0.024in
2020–2022 KTM 300 XC-W TPI ERZBERGRODEO — Engine: - --; Gap 0.024in
2020 KTM 300 XC-W TPI Six Days — Engine: - --; Gap 0.024in
2015–2017 KTM Freeride 250 R — Engine: - --; Gap 0.028in
1959 MG MGA — Engine: 1.5 L4; Gap 0.025in
1965–1967 Porsche 911 — Engine: 2.0 H6; Gap 0.032in
1979 Scorpion Whip 340PR — Engine: - --; 2F340-6, Gap 0.020in
1990–1991 Sea-Doo GT — Engine: - --; Gap 0.028in
1989–1996 Sea-Doo SP — Engine: - --; Gap 0.028in
1993–1996 Sea-Doo SPI — Engine: - --; Gap 0.032in
2023–2025 Sherco 250 SE Factory — Engine: - --; Gap 0.032in
2023–2025 Sherco 300 SE Factory — Engine: - --; Gap 0.032in
1983–1987 Ski-Doo Alpine — Engine: - --; Gap 0.016in
1984 Ski-Doo Blizzard 5500 MX — Engine: - --; Gap 0.020in
1982–1983 Ski-Doo Everest 500 — Engine: - --; Gap 0.016in
1982–1983 Ski-Doo Everest 500E — Engine: - --; Gap 0.016in
1979–1980 Suzuki DS185 — Engine: - --; Gap 0.032in
1996–2000 Suzuki DS80 — Engine: - --; Gap 0.028in
1972–1973 Suzuki GT380 — Engine: - --; Gap 0.028in
1972–1974 Suzuki GT550 — Engine: - --; Gap 0.028in
2001–2004 Suzuki JR80 — Engine: - --; Gap 0.028in
1974–1975 Suzuki RL250 — Engine: - --; Gap 0.032in
1977 Suzuki RM80 — Engine: - --; Gap 0.032in
1970–1976 Suzuki TS250 — Engine: - --; Gap 0.032in
1976, 1978–1983 Yamaha DT100 — Engine: - --; Gap 0.032in
1974 Yamaha GP246 — Engine: - --; Gap 0.016in
1979–1983 Yamaha MX100 — Engine: - --; Gap 0.032in
1990–1999 Yamaha RT100 — Engine: - --; Gap 0.022in
2000 Yamaha RT100 — Engine: - --; Gap 0.028in
1975, 1979 Yamaha TY175 — Engine: - --; Gap 0.024in
1974–1977 Yamaha TY250 — Engine: - --; Gap 0.032in

Source: supplier-verified applications for NGK 6664. A vehicle not listed is not confirmed compatible.

Shop more parts for your vehicle

Browse these vehicle parts pages, then check the restrictions on each product. Not every part on a vehicle page fits every engine or configuration.

Gas Gas EC 250

2025 2024 2023

Gas Gas EC 300

2025 2024 2023

Gas Gas EC 300 GP

2025

Gas Gas EX 250

2023

Gas Gas EX 300

2023

Harley-Davidson SX125

1975 1974

Kawasaki JF650 X2

1995 1994 1993 1992 1991 1990 1989 1988 1986

Kawasaki JS300

1988 1987 1986

Kawasaki JS300 300SX

1991 1990 1989 1988 1987

Kawasaki JS400

1976

Kawasaki JS440

1992 1991 1990 1989 1988 1987 1986 1985 1984 1983 1982 1981 1980 1979 1978 1977

Kawasaki JS650 650SX

1993 1992 1991 1990 1989 1988 1987

Kawasaki KE175

1982 1981 1980

Kawasaki KL250

1983 1982 1981 1980 1979 1978

Kawasaki KLT200

1984 1983 1982 1981

Kawasaki KLX250

1980 1979

Kawasaki KZ200

1978

Kawasaki KZ400/D

1977 1976 1975 1974

Kawasaki KZ400A Deluxe

1978 1977

Kawasaki KZ400B

1979 1978

Kawasaki KZ400C Special

1978

Kawasaki KZ400H LTD

1979

Kawasaki KZ400S Special

1977 1976 1975

Kawasaki KZ440A LTD

1982 1981 1980

Kawasaki KZ440B/G

1981 1980

Kawasaki KZ440D LTD Belt

1983 1982 1981 1980

Kawasaki KZ650B/F

1980 1979 1978 1977

Kawasaki KZ650C Custom

1979 1978 1977

Kawasaki KZ650E LTD

1980

Kawasaki W1

1967 1966

Kawasaki W2SS Commander

1969 1968

Kawasaki W2TT Commander

1969

KTM 300 XC

2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006

KTM 300 XC-W

2025 2024 2023 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006

Scorpion Whip 340PR

1979

Sea-Doo GT

1991 1990

Sea-Doo SP

1996 1995 1994 1993 1992 1991 1990 1989

Sea-Doo SPI

1996 1995 1994 1993

Sherco 250 SE Factory

2025 2024 2023

Sherco 300 SE Factory

2025 2024 2023

Ski-Doo Alpine

1987 1986 1985 1984 1983

Ski-Doo Blizzard 5500 MX

1984

Ski-Doo Everest 500

1983 1982

Ski-Doo Everest 500E

1983 1982

Yamaha DT100

1983 1982 1981 1980 1979 1978 1976

Yamaha GP246

1974

Yamaha MX100

1983 1982 1981 1980 1979

Yamaha RT100

2000 1999 1998 1997 1996 1995 1994 1993 1992 1991 1990

Yamaha TY175

1979 1975

Yamaha TY250

1977 1976 1975 1974

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Address
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Kitchener, Ontario N2E 1W8
Phone
1-877-899-7278
Hours
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Verified

All brand names are the property of their respective owners and are used for compatibility reference only.

Verified vehicle applications

Match every engine, transmission, position and other restriction before ordering. See the Verified Vehicle Fitment table for full application details.

  • 2008–2009 Benelli Velvet 125 — Engine: - --; 2C, Gap 0.020in
  • 2023–2025 Gas Gas EC 250 — Engine: - --; Gap 0.028in
  • 2023–2025 Gas Gas EC 300 — Engine: - --; Gap 0.028in
  • 2025 Gas Gas EC 300 GP — Engine: - --; Gap 0.028in
  • 2023 Gas Gas EX 250 — Engine: - --; Gap 0.028in
  • 2023 Gas Gas EX 300 — Engine: - --; Gap 0.028in
  • 1974–1975 Harley-Davidson SX125 — Engine: - --; Gap 0.020in
  • 1979 Honda Accord — Gap 0.032in
  • 1977–1980 Honda FL250 Odyssey — Engine: - --; Gap 0.032in
  • 1989–1990 Honda FL400R Pilot — Engine: - --; Gap 0.032in
  • 1979 Honda Prelude — Gap 0.032in
  • 1980 Honda Prelude — with Federal Emissions System, Gap 0.032in
  • 1973–1978 Honda XL175 — Engine: - --; Gap 0.028in
  • 2011–2014 Husaberg TE250 — Engine: - --; Gap 0.028in
  • 2011–2014 Husaberg TE300 — Engine: - --; Gap 0.028in
  • 2014–2018, 2024–2025 Husqvarna TE250 — Engine: - --; Gap 0.028in
  • 2020–2022 Husqvarna TE250i — Engine: - --; Gap 0.028in
  • 2014–2018, 2024–2025 Husqvarna TE300 — Engine: - --; Gap 0.028in
  • 2023, 2025 Husqvarna TE300 Heritage — Engine: - --; Gap 0.028in
  • 2024–2025 Husqvarna TE300 Pro — Engine: - --; Gap 0.028in
  • 2020–2023 Husqvarna TE300i — Engine: - --; Gap 0.028in
  • 2017–2019 Husqvarna TX300 — Engine: - --; Gap 0.028in
  • 2020 Husqvarna TX300i — Engine: - --; Gap 0.028in
  • 1989–1992 Kawasaki JB650 Jet Mate — Engine: - --; Gap 0.032in
  • 1989–1996 Kawasaki JF650 TS — Engine: - --; Gap 0.032in
  • 1986, 1988–1995 Kawasaki JF650 X2 — Engine: - --; Gap 0.032in
  • 1991–1995 Kawasaki JL650 SC — Engine: - --; Gap 0.032in
  • 1986–1988 Kawasaki JS300 — Engine: - --; Gap 0.032in
  • 1987–1991 Kawasaki JS300 300SX — Engine: - --; Gap 0.032in
  • 1976 Kawasaki JS400 — Engine: - --; Gap 0.020in
  • 1977–1992 Kawasaki JS440 — Engine: - --; Gap 0.032in
  • 1987–1993 Kawasaki JS650 650SX — Engine: - --; Gap 0.032in
  • 1980–1982 Kawasaki KE175 — Engine: - --; Gap 0.028in
  • 1978–1982 Kawasaki KL250 — Engine: - --; Gap 0.030in
  • 1983 Kawasaki KL250 — Engine: - --; Gap 0.032in
  • 1981–1984 Kawasaki KLT200 — Engine: - --; Gap 0.032in
  • 1979–1980 Kawasaki KLX250 — Engine: - --; Gap 0.032in
  • 1978 Kawasaki KZ200 — Engine: - --; Gap 0.032in
  • 1974–1977 Kawasaki KZ400/D — Engine: - --; Gap 0.032in
  • 1977–1978 Kawasaki KZ400A Deluxe — Engine: - --; Gap 0.032in
  • 1978–1979 Kawasaki KZ400B — Engine: - --; Gap 0.032in
  • 1978 Kawasaki KZ400C Special — Engine: - --; Gap 0.032in
  • 1979 Kawasaki KZ400H LTD — Engine: - --; Gap 0.032in
  • 1975–1977 Kawasaki KZ400S Special — Engine: - --; Gap 0.032in
  • 1980–1982 Kawasaki KZ440A LTD — Engine: - --; Gap 0.028in
  • 1980–1981 Kawasaki KZ440B/G — Engine: - --; Gap 0.028in
  • 1980–1983 Kawasaki KZ440D LTD Belt — Engine: - --; Gap 0.028in
  • 1977–1980 Kawasaki KZ650B/F — Engine: - --; Gap 0.032in
  • 1977–1979 Kawasaki KZ650C Custom — Engine: - --; Gap 0.032in
  • 1980 Kawasaki KZ650E LTD — Engine: - --; Gap 0.032in
  • 1966–1967 Kawasaki W1 — Engine: - --; Gap 0.032in
  • 1968–1969 Kawasaki W2SS Commander — Engine: - --; Gap 0.032in
  • 1969 Kawasaki W2TT Commander — Engine: - --; Gap 0.032in
  • 2006–2019 KTM 250 XC — Engine: - --; Gap 0.028in
  • 2020–2022 KTM 250 XC TPI — Engine: - --; Gap 0.024in
  • 2023–2025 KTM 250 XC-W — Engine: - --; Gap 0.024in
  • 2006–2018 KTM 250 XC-W — Engine: - --; Gap 0.028in
  • 2020–2022 KTM 250 XC-W TPI — Engine: - --; Gap 0.024in
  • 2006–2019 KTM 300 XC — Engine: - --; Gap 0.028in
  • 2021–2022 KTM 300 XC TPI — Engine: - --; Gap 0.024in
  • 2023–2025 KTM 300 XC-W — Engine: - --; Gap 0.024in
  • 2006–2018 KTM 300 XC-W — Engine: - --; Gap 0.028in
  • 2025 KTM 300 XC-W Champion Edition — Engine: - --; Gap 0.024in
  • 2024 KTM 300 XC-W ERZBERGRODEO — Engine: - --; Gap 0.024in
  • 2025 KTM 300 XC-W Factory Edition — Engine: - --; Gap 0.024in
  • 2025 KTM 300 XC-W Hardenduro — Engine: - --; Gap 0.024in
  • 2017–2018 KTM 300 XC-W Six Days — Engine: - --; Gap 0.024in
  • 2016 KTM 300 XC-W Six Days — Engine: - --; Gap 0.028in
  • 2020–2022 KTM 300 XC-W TPI — Engine: - --; Gap 0.024in
  • 2020–2022 KTM 300 XC-W TPI ERZBERGRODEO — Engine: - --; Gap 0.024in
  • 2020 KTM 300 XC-W TPI Six Days — Engine: - --; Gap 0.024in
  • 2015–2017 KTM Freeride 250 R — Engine: - --; Gap 0.028in
  • 1959 MG MGA — Engine: 1.5 L4; Gap 0.025in
  • 1965–1967 Porsche 911 — Engine: 2.0 H6; Gap 0.032in
  • 1979 Scorpion Whip 340PR — Engine: - --; 2F340-6, Gap 0.020in
  • 1990–1991 Sea-Doo GT — Engine: - --; Gap 0.028in
  • 1989–1996 Sea-Doo SP — Engine: - --; Gap 0.028in
  • 1993–1996 Sea-Doo SPI — Engine: - --; Gap 0.032in
  • 2023–2025 Sherco 250 SE Factory — Engine: - --; Gap 0.032in
  • 2023–2025 Sherco 300 SE Factory — Engine: - --; Gap 0.032in
  • 1983–1987 Ski-Doo Alpine — Engine: - --; Gap 0.016in
  • 1984 Ski-Doo Blizzard 5500 MX — Engine: - --; Gap 0.020in
  • 1982–1983 Ski-Doo Everest 500 — Engine: - --; Gap 0.016in
  • 1982–1983 Ski-Doo Everest 500E — Engine: - --; Gap 0.016in
  • 1979–1980 Suzuki DS185 — Engine: - --; Gap 0.032in
  • 1996–2000 Suzuki DS80 — Engine: - --; Gap 0.028in
  • 1972–1973 Suzuki GT380 — Engine: - --; Gap 0.028in
  • 1972–1974 Suzuki GT550 — Engine: - --; Gap 0.028in
  • 2001–2004 Suzuki JR80 — Engine: - --; Gap 0.028in
  • 1974–1975 Suzuki RL250 — Engine: - --; Gap 0.032in
  • 1977 Suzuki RM80 — Engine: - --; Gap 0.032in
  • 1970–1976 Suzuki TS250 — Engine: - --; Gap 0.032in
  • 1976, 1978–1983 Yamaha DT100 — Engine: - --; Gap 0.032in
  • 1974 Yamaha GP246 — Engine: - --; Gap 0.016in
  • 1979–1983 Yamaha MX100 — Engine: - --; Gap 0.032in
  • 1990–1999 Yamaha RT100 — Engine: - --; Gap 0.022in
  • 2000 Yamaha RT100 — Engine: - --; Gap 0.028in
  • 1975, 1979 Yamaha TY175 — Engine: - --; Gap 0.024in
  • 1974–1977 Yamaha TY250 — Engine: - --; Gap 0.032in