Spark PlugCross Reference
CHAMPION 31C2
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
2 matchesACDELCO
4 matchesAUTOLITE
2 matchesBECK ARNLEY
2 matchesBERU
1 matchesBOSCH
5 matchesBOSCH STK
1 matchesBRISK
1 matchesCHAMP STK
1 matchesCHAMPION
4 matchesDAIHATSU
1 matchesDENSO
10 matchesDENSO IRIDIUM PN
1 matchesDENSO IRIDIUM STK
1 matchesDENSO STK
2 matchesGM OEM NR
2 matchesMIGHTY
1 matchesMOPAR
1 matchesMTRCRFT PN
2 matchesMTRCRFT STK
2 matchesNGK
9 matchesNGK STK
3 matchesTORCH
1 matchesVALLEY FORGE
2 matchesFactory Direct
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