Champion Spark Plugs | Champion Spark Plugs By Brand Application
Champion spark plug model number:
RJ12YC
Type: resistor
Gap setting: .035"
Other Champion part numbers:
14, OJ11Y, RJ10Y, RJ11Y, RJ12Y, RJ87P, XJ9Y, XJ10Y, XJ11Y, XJ12Y
RJ12YC cross reference numbers:
AC Delco CR43S, R42S, R43CS, R43S, R44S, R44SX, R45S, R45SX
Autolite 84, 85
Bosch W95TR6, W125TR6, W125TR6X, W145TR6, W175TR6, WR10F, WR10FC, WR10FCY, WR10FY, WR7F, WR8F, WR8FC, WR8FP, WR9F, WR9FC, WR9FCY, WR9FCZ, WR9FY
Denso W9PR-15, W9PR-U W14PR-U, W16PR-U, W16PR-U15
Motorcraft AR32, AR42, AR42-6, AR52, AR52-6
NGK BP4S-20, BPR5S, BPR5S-15, BPR5S-20, BPR6S
RJ12YC spark plug application chart:
Dodge D400 1978
Dodge D450 1978
International 1500B 1969-1967
International 1500C 1969-1968
International 1500D 1971-1969
International 1724 1985-1979
International 1824 1984-1979
International 1924 S 1979
International Cargostar 1984-1980
International G1904 1984
International G2105 1984
International S1624 1982-1980
International S1723 1985-1980
International S1724 1984-1980
International S1823 1982-1980
International S1824 1985-1980
Harley Davidson E 1950-1948
Harley Davidson EL 1952-1948
Harley Davidson F 1950-1941
Harley Davidson FL 1964-1941
Harley Davidson FLF 1964-1953
Harley Davidson FLFB 1969-1965
Harley Davidson FLH Electra Glide 1974-1955
Harley Davidson FLHB 1969-1965
Harley Davidson FLHF 1972-1955
Harley Davidson FLHFB 1969-1965
Harley Davidson FX Super Glide 1974-1971
Harley Davidson FXE Super Glide 1974
Harley Davidson U 1948
Harley Davidson XLH900 1971
Clinton Chieftain
Hale Fire Pumps 50FB3-C440
Hale Fire Pumps 60FBI-C440
Hale Fire Pumps FB100-C440
Hale Fire Pumps FB75-C440
Hobart Chrysler HB361 HB361
Ingersoll-Rand GH160 IHC C196
Lombard L100
Lombard Super L100
Mono 249
Mono SL149
Aero Marine 240 Series 8 cyl.
Aero Marine 265 Series
Aero Marine 455 8 cyl.
Barr (Conversions) 8 cyl. 327 Chevrolet V-8
Chevrolet 8 cyl. 327 Marine V-8
Chris Craft 283 Gasket Heads
Chris Craft 302 Gasket Heads
Chris Craft 307 Gasket Heads
Chris Craft 327 Gasket Heads
Crusader Marine 185 Boat Builder Series
Crusader Marine 200J Boat Builder Series
Crusader Marine 210 Boat Builder Series
Crusader Marine 220 Boat Builder Series
Crusader Marine 220 Charger Series
Crusader Marine 230J Boat Builder Series
Crusader Marine 250 Boat Builder Series
Crusader Marine 250 Charger Series
Crusader Marine Boat Builder Series 185, 190, 220, 230, 250
Crusader Marine CM Cadillac Boat Builder Series
Crusader Marine CS 180 Boat Builder Series
Crusader Marine CS 185 Charger Series
Crusader Marine Models: 170J Boat Builder Series
Crusader Marine Models: 230 Boat Builder Series
Daytona Marine 300 Model
Daytona Marine Models 200
Evinrude KU 8 cyl. 283 185 H.P.
Graymarine 135 8 cyl. V-8
Graymarine 138 8 cyl. V-8
Graymarine 138A 8 cyl. V-8
Graymarine 175 8 cyl. V-8
Graymarine 178 8 cyl. V-8
Graymarine 178B 8 cyl. V-8
Graymarine 188 8 cyl. V-8
Graymarine 215 8 cyl. V-8
Graymarine 220 8 cyl. V-8
Graymarine 225 8 cyl. V-8
Graymarine 238 8 cyl. V-8
Graymarine 280 8 cyl. V-8
Graymarine 310 8 cyl. V-8
Graymarine 427 8 cyl. V-8
Graymarine CF 8 cyl. V-8
Graymarine CH 8 cyl. V-8
Graymarine Models 170 8 cyl. V-8
Graymarine Models 195 8 cyl. V-8
Graymarine Models 260 8 cyl. V-8
Graymarine Models C 8 cyl. V-8
Johnson KU 8 cyl. 283 185 H.P.
Lehman Econ-O-Power 8 cyl. 283 Chevrolet
Lehman Econ-O-Power 8 cyl. 307 Chevrolet
Lehman Econ-O-Power 8 cyl. 327 Chevrolet
Lehman Econ-O-Power 8 cyl. 350 Chevrolet
Lehman Econ-O-Power 8 cyl. 400 Chevrolet
Marine Repower 8 cyl. 327 GM
Mercruiser 190 8 cyl.
Mercruiser 225 8 cyl.
Otasco 7 H.P.
Palmer-Greenwich M196
Palmer-Greenwich M265
Palmer-Greenwich M304 Normal Service
Palmer-Greenwich M345 Normal Service
Palmer-Greenwich M345B
Palmer-Greenwich M392
Palmer-Greenwich M392B
Palmer-Greenwich MKIV-115 Normal Service
Palmer-Greenwich MKVI-150 Normal Service
Palmer-Greenwich MKVIII 200 Normal Service
Palmer-Greenwich MKVIII 225 Normal Service
Palmer-Greenwich MKVIII 275 8 cyl. Normal Service
Palmer-Greenwich MKVIII 300 8 cyl. Normal Service
Palmer-Greenwich MM549
Palmer-Greenwich Y304
Palmer-Greenwich Y345
Palmer-Greenwich Y392
Triton 4 H.P.
Triton 5.5 H.P.
Triton 7.5 H.P.
Volvo Penta 180
Volvo Penta 210A From S/N 177315
Volvo Penta MB36A
Volvo Penta MB36B