Spark Plug - RN12YC
Features
- Features a copper core center electrode that allows for accurate control of heat range, optimizing performance and longevity of the spark plug
- Patented SAC-9 semi-conductor resistor for maximum EMI and RFI suppression
- Patented Ultraseal™ coated shell for rust prevention
- Made in the USA
Specs
| Riding Style | Street |
| Ground Electrode Configuration | Single |
| Model | RN12YC |
| Terminal Configuration | Solid Terminal |
| Units | Each |
| Ground Electrode Shape | Standard |
| Center Electrode Type | Standard |
| Electrode Tip Material | Nickel Alloy |
| Hex Size | 20.6 mm |
| Product Name | Spark Plug |
| Heat Range | 12 |
| Thread Reach | 19.1 mm |
| Center Electrode Projection | Projected |
| Style | Copper Plus |
| Type | Resistor |
| Year | Make | Model |
|---|---|---|
| 1975 | Harley-Davidson | Electra Glide FL |
| 1975 | Harley-Davidson | FLH Electra Glide |
| 1975 | Harley-Davidson | FX Super Glide |
| 1975 | Harley-Davidson | FXE Super Glide |
| 1976 | Harley-Davidson | Electra Glide FL |
| 1976 | Harley-Davidson | FLH Electra Glide |
| 1976 | Harley-Davidson | FX Super Glide |
| 1976 | Harley-Davidson | FXE Super Glide |
| 1977 | Harley-Davidson | Electra Glide FL |
| 1977 | Harley-Davidson | FLH Electra Glide |
| 1977 | Harley-Davidson | FX Super Glide |
| 1977 | Harley-Davidson | FXE Super Glide |
| 1977 | Harley-Davidson | FXS Low Rider |
| 1978 | Harley-Davidson | 1200 Electra Glide FLH |
| 1978 | Harley-Davidson | Electra Glide FL |
| 1978 | Harley-Davidson | FLH Electra Glide |
| 1978 | Harley-Davidson | FX Super Glide |
| 1978 | Harley-Davidson | FXE Super Glide |
| 1978 | Harley-Davidson | FXS Low Rider |
| 1979 | Harley-Davidson | 1200 Electra Glide FLH |
| 1979 | Harley-Davidson | 1200 Fat Bob FXEF |
| 1979 | Harley-Davidson | 1200 Low Rider FXS |
| 1979 | Harley-Davidson | 1200 Super Glide FXE |
| 1979 | Harley-Davidson | Electra Glide FL |
| 1979 | Harley-Davidson | Electra Glide FLH |
| 1979 | Harley-Davidson | Fat Bob FXEF |
| 1979 | Harley-Davidson | Low Rider FXS |
| 1979 | Harley-Davidson | Super Glide 80 FXE |
| 1980 | Harley-Davidson | 1200 Electra Glide FLH |
| 1980 | Harley-Davidson | 1200 Fat Bob FXEF |
| 1980 | Harley-Davidson | 1200 Super Glide FXE |
| 1980 | Harley-Davidson | Electra Glide FL |
| 1980 | Harley-Davidson | FLH Electra Glide |
| 1980 | Harley-Davidson | FLHS Electra Glide Sport |
| 1980 | Harley-Davidson | FLT Tour Glide |
| 1980 | Harley-Davidson | FXB Sturgis |
| 1980 | Harley-Davidson | FXS Low Rider |
| 1980 | Harley-Davidson | FXWG Wide Glide |
| 1980 | Harley-Davidson | Fat Bob FXEF |
| 1980 | Harley-Davidson | Super Glide 80 FXE |
| 1980 | Harley-Davidson | Tour Glide Classic FLTC |
| 1981 | Harley-Davidson | Electra Glide Classic FLH |
| 1981 | Harley-Davidson | Electra Glide Heritage FLH |
| 1981 | Harley-Davidson | FLH Electra Glide |
| 1981 | Harley-Davidson | FLHS Electra Glide Sport |
| 1981 | Harley-Davidson | FLT Tour Glide |
| 1981 | Harley-Davidson | FLTC Tour Glide Classic |
| 1981 | Harley-Davidson | FXB Sturgis |
| 1981 | Harley-Davidson | FXEF Fat Bob |
| 1981 | Harley-Davidson | FXS Low Rider |
| 1981 | Harley-Davidson | FXWG Wide Glide |
| 1982 | Harley-Davidson | Electra Glide Classic FLH |
| 1982 | Harley-Davidson | FLH Electra Glide |
| 1982 | Harley-Davidson | FLHS Electra Glide Sport |
| 1982 | Harley-Davidson | FLT Tour Glide |
| 1982 | Harley-Davidson | FLTC Tour Glide Classic |
| 1982 | Harley-Davidson | FXB Sturgis |
| 1982 | Harley-Davidson | FXR Super Glide II |
| 1982 | Harley-Davidson | FXS Low Rider |
| 1982 | Harley-Davidson | FXWG Wide Glide |
| 1982 | Harley-Davidson | Super Glide II FXRS |
| 1983 | Harley-Davidson | Electra Glide Standard FLHT |
| 1983 | Harley-Davidson | FLH Electra Glide |
| 1983 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1983 | Harley-Davidson | FLT Tour Glide |
| 1983 | Harley-Davidson | FLTC Tour Glide Classic |
| 1983 | Harley-Davidson | FXDG Disc Glide |
| 1983 | Harley-Davidson | FXR Super Glide II |
| 1983 | Harley-Davidson | FXRT Sport Glide |
| 1983 | Harley-Davidson | FXSB Low Rider - Belt |
| 1983 | Harley-Davidson | FXWG Wide Glide |
| 1983 | Harley-Davidson | Super Glide II FXRS |
| 1984 | Harley-Davidson | FLH Electra Glide |
| 1984 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1984 | Harley-Davidson | FLHX Electra Glide Special |
| 1984 | Harley-Davidson | FLTC Tour Glide Classic |
| 1984 | Harley-Davidson | FXRDG Disc Glide |
| 1984 | Harley-Davidson | FXRS Low Glide |
| 1984 | Harley-Davidson | FXRT Sport Glide |
| 1984 | Harley-Davidson | FXSB Low Rider - Belt |
| 1984 | Harley-Davidson | FXST Softail Standard |
| 1984 | Harley-Davidson | FXWG Wide Glide |
| 1985 | Harley-Davidson | Electra Glide Standard FLHT |
| 1985 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1985 | Harley-Davidson | FLTC Tour Glide Classic |
| 1985 | Harley-Davidson | FXEF Fat Bob |
| 1985 | Harley-Davidson | FXRC Low Rider Chrome |
| 1985 | Harley-Davidson | FXRS Low Glide |
| 1985 | Harley-Davidson | FXRT Sport Glide |
| 1985 | Harley-Davidson | FXSB Low Rider - Belt |
| 1985 | Harley-Davidson | FXST Softail Standard |
| 1986 | Harley-Davidson | FLHT Electra Glide Standard |
| 1986 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1986 | Harley-Davidson | FLST Heritage Softail |
| 1986 | Harley-Davidson | FLTC Tour Glide Classic |
| 1986 | Harley-Davidson | FXR Super Glide II |
| 1986 | Harley-Davidson | FXRD Sport Glide Grand Touring |
| 1986 | Harley-Davidson | FXRS Low Glide |
| 1986 | Harley-Davidson | FXRT Sport Glide |
| 1986 | Harley-Davidson | FXST Softail Standard |
| 1986 | Harley-Davidson | FXSTC Softail Custom |
| 1987 | Harley-Davidson | FLHS Electra Glide Sport |
| 1987 | Harley-Davidson | FLHT Electra Glide Standard |
| 1987 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1987 | Harley-Davidson | FLST Heritage Softail |
| 1987 | Harley-Davidson | FLTC Tour Glide Classic |
| 1987 | Harley-Davidson | FXLR Low Rider Custom |
| 1987 | Harley-Davidson | FXR Super Glide II |
| 1987 | Harley-Davidson | FXRC Low Rider Chrome |
| 1987 | Harley-Davidson | FXRS Low Glide |
| 1987 | Harley-Davidson | FXRT Sport Glide |
| 1987 | Harley-Davidson | FXST Softail Standard |
| 1987 | Harley-Davidson | FXSTC Softail Custom |
| 1987 | Harley-Davidson | Softail Heritage Classic FLSTC |
| 1988 | Harley-Davidson | FLHS Electra Glide Sport |
| 1988 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1988 | Harley-Davidson | FLST Heritage Softail |
| 1988 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1988 | Harley-Davidson | FLTC Tour Glide Classic |
| 1988 | Harley-Davidson | FXLR Low Rider Custom |
| 1988 | Harley-Davidson | FXR Super Glide II |
| 1988 | Harley-Davidson | FXRS Low Glide |
| 1988 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1988 | Harley-Davidson | FXRT Sport Glide |
| 1988 | Harley-Davidson | FXST Softail Standard |
| 1988 | Harley-Davidson | FXSTC Softail Custom |
| 1988 | Harley-Davidson | FXSTS Springer Softail |
| 1989 | Harley-Davidson | FLHS Electra Glide Sport |
| 1989 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1989 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1989 | Harley-Davidson | FLST Heritage Softail |
| 1989 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1989 | Harley-Davidson | FLTC Tour Glide Classic |
| 1989 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1989 | Harley-Davidson | FXLR Low Rider Custom |
| 1989 | Harley-Davidson | FXR Super Glide II |
| 1989 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1989 | Harley-Davidson | FXRT Sport Glide |
| 1989 | Harley-Davidson | FXST Softail Standard |
| 1989 | Harley-Davidson | FXSTC Softail Custom |
| 1989 | Harley-Davidson | FXSTS Springer Softail |
| 1989 | Harley-Davidson | Low Rider FXRS |
| 1990 | Harley-Davidson | FLHS Electra Glide Sport |
| 1990 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1990 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1990 | Harley-Davidson | FLST Heritage Softail |
| 1990 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1990 | Harley-Davidson | FLSTF Fat Boy |
| 1990 | Harley-Davidson | FLTC Tour Glide Classic |
| 1990 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1990 | Harley-Davidson | FXLR Low Rider Custom |
| 1990 | Harley-Davidson | FXR Super Glide II |
| 1990 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible |
| 1990 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1990 | Harley-Davidson | FXRT Sport Glide |
| 1990 | Harley-Davidson | FXST Softail Standard |
| 1990 | Harley-Davidson | FXSTC Softail Custom |
| 1990 | Harley-Davidson | FXSTS Springer Softail |
| 1990 | Harley-Davidson | Low Rider FXRS |
| 1991 | Harley-Davidson | FLHS Electra Glide Sport |
| 1991 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1991 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1991 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1991 | Harley-Davidson | FLSTF Fat Boy |
| 1991 | Harley-Davidson | FLTC Tour Glide Classic |
| 1991 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1991 | Harley-Davidson | FXLR Low Rider Custom |
| 1991 | Harley-Davidson | FXR Super Glide II |
| 1991 | Harley-Davidson | FXRS Low Glide |
| 1991 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible |
| 1991 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1991 | Harley-Davidson | FXRT Sport Glide |
| 1991 | Harley-Davidson | FXST Softail Standard |
| 1991 | Harley-Davidson | FXSTC Softail Custom |
| 1991 | Harley-Davidson | FXSTS Springer Softail |
| 1992 | Harley-Davidson | FLHS Electra Glide Sport |
| 1992 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1992 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1992 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1992 | Harley-Davidson | FLSTF Fat Boy |
| 1992 | Harley-Davidson | FLTC Tour Glide Classic |
| 1992 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1992 | Harley-Davidson | FXDC Super Glide Custom |
| 1992 | Harley-Davidson | FXLR Low Rider Custom |
| 1992 | Harley-Davidson | FXR Super Glide II |
| 1992 | Harley-Davidson | FXRS Low Glide |
| 1992 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible |
| 1992 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1992 | Harley-Davidson | FXRT Sport Glide |
| 1992 | Harley-Davidson | FXST Softail Standard |
| 1992 | Harley-Davidson | FXSTC Softail Custom |
| 1992 | Harley-Davidson | FXSTS Springer Softail |
| 1993 | Harley-Davidson | FLHS Electra Glide Sport |
| 1993 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1993 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1993 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1993 | Harley-Davidson | FLSTF Fat Boy |
| 1993 | Harley-Davidson | FLSTN Heritage Softail Nostalgia |
| 1993 | Harley-Davidson | FLTC Tour Glide Classic |
| 1993 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1993 | Harley-Davidson | FXDL Dyna Low Rider |
| 1993 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1993 | Harley-Davidson | FXLR Low Rider Custom |
| 1993 | Harley-Davidson | FXR Super Glide II |
| 1993 | Harley-Davidson | FXRS-Conv Low Rider Sport Convertible |
| 1993 | Harley-Davidson | FXRS-SP Low Rider Sport |
| 1993 | Harley-Davidson | FXST Softail Standard |
| 1993 | Harley-Davidson | FXSTC Softail Custom |
| 1993 | Harley-Davidson | FXSTS Springer Softail |
| 1993 | Harley-Davidson | Low Rider FXRS |
| 1993 | Harley-Davidson | Sport Glide FXRT |
| 1994 | Harley-Davidson | FLHR Road King |
| 1994 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1994 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1994 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1994 | Harley-Davidson | FLSTF Fat Boy |
| 1994 | Harley-Davidson | FLSTN Heritage Softail Special |
| 1994 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1994 | Harley-Davidson | FXDL Dyna Low Rider |
| 1994 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1994 | Harley-Davidson | FXLR Low Rider Custom |
| 1994 | Harley-Davidson | FXR Super Glide II |
| 1994 | Harley-Davidson | FXSTC Softail Custom |
| 1994 | Harley-Davidson | FXSTS Springer Softail |
| 1994 | Harley-Davidson | Tour Glide Classic FLTC |
| 1995 | Harley-Davidson | Electra Glide Classic EFI FLHTCI |
| 1995 | Harley-Davidson | FLHR Road King |
| 1995 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1995 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1995 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic |
| 1995 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1995 | Harley-Davidson | FLSTF Fat Boy |
| 1995 | Harley-Davidson | FLSTN Heritage Softail Special |
| 1995 | Harley-Davidson | FLTCU Tour Glide Ultra Classic |
| 1995 | Harley-Davidson | FXD Dyna Super Glide |
| 1995 | Harley-Davidson | FXDL Dyna Low Rider |
| 1995 | Harley-Davidson | FXDS-Conv Dyna Convertible |
| 1995 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1995 | Harley-Davidson | FXSTC Softail Custom |
| 1995 | Harley-Davidson | FXSTS Springer Softail |
| 1995 | Harley-Davidson | FXSTSB Bad Boy |
| 1996 | Harley-Davidson | FLHR Road King |
| 1996 | Harley-Davidson | FLHRI Road King |
| 1996 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1996 | Harley-Davidson | FLHTCI Electra Glide Classic |
| 1996 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1996 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic |
| 1996 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1996 | Harley-Davidson | FLSTF Fat Boy |
| 1996 | Harley-Davidson | FLSTN Heritage Softail Special |
| 1996 | Harley-Davidson | FLTCUI Tour Glide Ultra Classic |
| 1996 | Harley-Davidson | FXD Dyna Super Glide |
| 1996 | Harley-Davidson | FXDL Dyna Low Rider |
| 1996 | Harley-Davidson | FXDS-Conv Dyna Convertible |
| 1996 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1996 | Harley-Davidson | FXSTC Softail Custom |
| 1996 | Harley-Davidson | FXSTS Springer Softail |
| 1996 | Harley-Davidson | FXSTSB Bad Boy |
| 1996 | Harley-Davidson | Tour Glide Ultra Classic FLTCU |
| 1997 | Harley-Davidson | FLHR Road King |
| 1997 | Harley-Davidson | FLHRI Road King |
| 1997 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1997 | Harley-Davidson | FLHTCI Electra Glide Classic |
| 1997 | Harley-Davidson | FLHTCU Electra Glide Ultra Classic |
| 1997 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic |
| 1997 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1997 | Harley-Davidson | FLSTF Fat Boy |
| 1997 | Harley-Davidson | FLSTS Heritage Springer |
| 1997 | Harley-Davidson | FXD Dyna Super Glide |
| 1997 | Harley-Davidson | FXDL Dyna Low Rider |
| 1997 | Harley-Davidson | FXDS-Conv Dyna Convertible |
| 1997 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1997 | Harley-Davidson | FXSTC Softail Custom |
| 1997 | Harley-Davidson | FXSTS Springer Softail |
| 1997 | Harley-Davidson | FXSTSB Bad Boy |
| 1998 | Harley-Davidson | Electra Glide Ultra Classic FLHTCU |
| 1998 | Harley-Davidson | FLHR Road King |
| 1998 | Harley-Davidson | FLHRCI Road King Classic |
| 1998 | Harley-Davidson | FLHTC Electra Glide Classic |
| 1998 | Harley-Davidson | FLHTCI Electra Glide Classic |
| 1998 | Harley-Davidson | FLHTCUI Electra Glide Ultra Classic |
| 1998 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1998 | Harley-Davidson | FLSTF Fat Boy |
| 1998 | Harley-Davidson | FLSTS Heritage Springer |
| 1998 | Harley-Davidson | FLTR Road Glide |
| 1998 | Harley-Davidson | FLTRI Road Glide |
| 1998 | Harley-Davidson | FXD Dyna Super Glide |
| 1998 | Harley-Davidson | FXDL Dyna Low Rider |
| 1998 | Harley-Davidson | FXDS-Conv Dyna Convertible |
| 1998 | Harley-Davidson | FXDWG Dyna Wide Glide |
| 1998 | Harley-Davidson | FXSTC Softail Custom |
| 1998 | Harley-Davidson | FXSTS Springer Softail |
| 1998 | Harley-Davidson | Road King EFI FLHR |
| 1999 | Harley-Davidson | FLSTC Heritage Softail Classic |
| 1999 | Harley-Davidson | FLSTF Fat Boy |
| 1999 | Harley-Davidson | FLSTS Heritage Springer |
| 1999 | Harley-Davidson | FXSTB Night Train |
| 1999 | Harley-Davidson | FXSTC Softail Custom |
| 1999 | Harley-Davidson | FXSTS Springer Softail |
| 1999 | Indian | Chief |
| 2000 | Indian | Chief |
| 2000 | Indian | Scout |
| 2001 | Indian | Chief |
| 2001 | Indian | Scout |
| 2002 | Indian | Chief |
| 2002 | Indian | Chief Deluxe |
| 2002 | Indian | Chief Roadmaster |
| 2002 | Indian | Scout |
| 2002 | Indian | Spirit |
| 2002 | Indian | Spirit Deluxe |
| 2003 | Indian | Chief |
| 2003 | Indian | Scout |
| 2003 | Indian | Spirit |
Fitment details provided by supplier.
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