Spark PlugCross Reference
CHAMPION QL78YC
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.
52 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
AUTOLITE
2 matchesBRISK
1 matchesCHAMP STK
2 matchesCHAMPION
5 matchesDENSO
9 matchesDENSO STK
2 matchesNGK
27 matchesV1453 total matchesB8HVX195 total matchesBR8HVX147 total matchesR55258144 total matchesB8HCS10140 total matchesR55308140 total matches206217139 total matches206225139 total matches6217139 total matchesBPR7HS99 total matches642260 total matchesBPZ8HN-1059 total matchesBPR8HS48 total matchesBPZ8HS-1039 total matchesBPR8HN-1038 total matchesBPZ7HS-1037 total matches372528 total matches554126 total matchesBPR8HS-1025 total matches313321 total matches21520 total matches449519 total matches109313 total matches101811 total matches110711 total matchesBPZ10HN108 total matchesPBR8HS7 total matches
NGK STK
3 matchesTORCH
1 matchesFactory Direct
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