Spark PlugCross Reference
CHAMPION RG4HC
Compare interchangeable spark plugs for {brand} {part}. Check heat range, electrode gap, thread size, and reach before substituting — not all cross-referenced plugs perform the same in every engine.
66 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
AUTOLITE
1 matchesBOSCH
6 matchesBRISK
2 matchesCHAMPION
2 matchesDENSO
16 matchesIU2770 total matches067700-928158 total matchesU27ESR-N50 total matches067700-539045 total matchesU22ESRN44 total matches067700532040 total matchesIU01-2740 total matches267700-102037 total matchesU27ESRNZ-U36 total matches573528 total matches536327 total matchesU27ESNZ-U27 total matchesU20EPR922 total matches422118 total matches267700-458017 total matches413113 total matches
DUCATI
2 matchesHONDA
1 matchesMARELLI
1 matchesNEWSTAR
1 matchesNGK
26 matchesCR9E63 total matchesR017-8.560 total matches206-23559 total matchesR015-859 total matches650858 total matchesCR9EB50 total matchesCR9EIX47 total matchesR0409B-9(Ir)37 total matches626336 total matchesCR9EVX33 total matchesCR9EHVX-932 total matches352129 total matchesCPR9EA-927 total matchesC9EHVX-926 total matchesPMR9B25 total matchesC9EVX24 total matchesCR6E23 total matches22722 total matches500620 total matches695519 total matchesCR9EIX-919 total matches387218 total matches450918 total matches336017 total matches594317 total matches467512 total matches
NGK STK
1 matchesPIAGGIO
2 matchesSPLITFIRE
2 matchesTORCH
3 matchesFactory Direct
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