Spark PlugCross Reference
CHAMPION QL77C
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.
67 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
2 matchesAPRILIA
2 matchesAUTOLITE
3 matchesBOSCH
8 matchesBOSCH STK
1 matchesBRISK
3 matchesCHAMP STK
2 matchesCHAMPION
6 matchesDAIHATSU
1 matchesDENSO
4 matchesDENSO STK
1 matchesEVINRUDE
1 matchesEYQUEM
3 matchesGM OEM NR
2 matchesHONDA
1 matchesISKRA
1 matchesITALJET
1 matchesJOHNSON
1 matchesKAWASAKI
1 matchesMBK
1 matchesMERCRUISER
1 matchesMERCURY
1 matchesMTRCRFT PN
1 matchesNGK
1 matchesNGK STK
1 matchesPIAGGIO
1 matchesPRESTOLITE
1 matchesPSA
1 matchesSPLITFIRE
1 matchesSUZUKI
3 matchesTACTI
1 matchesTORCH
1 matchesTOYOTA
1 matchesYAMAHA
6 matchesFactory Direct
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