Spark PlugCross Reference
CHAMPION RH12
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.
61 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
ACCEL
1 matchesACDELCO
5 matchesAUTOLITE
7 matchesBOSCH
1 matchesBOSCH STK
1 matchesBOSNA
1 matchesBRISK
1 matchesCHAMP STK
2 matchesCHAMPION
9 matchesDENSO
6 matchesDENSO STK
1 matchesEYQUEM
2 matchesGM OEM NR
3 matchesHONDA
1 matchesISKRA
1 matchesMIGHTY
1 matchesMOPAR
1 matchesMTRCRFT PN
5 matchesMTRCRFT STK
1 matchesNAPA
1 matchesNGK
5 matchesNGK STK
2 matchesPRESTOLITE
2 matchesSPLITFIRE
1 matchesFactory Direct
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