Spark PlugCross Reference
CHAMPION CH221
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.
75 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
ACDELCO
1 matchesAUTOLITE
1 matchesBERU
4 matchesBOSCH
8 matchesBREMI
1 matchesBRISK
2 matchesCHAMPION
4 matchesDELPHI
2 matchesDENSO
7 matchesERA
1 matchesEYQUEM
7 matchesFAE
1 matchesFAI
5 matchesHERTHUNDBUSS
1 matchesHIDRIA
1 matchesINTERMOTOR
1 matchesLUCAS
2 matchesMARELLI
3 matchesMITSUBISHI
3 matchesMTRCRFT PN
2 matchesNGK
7 matchesNIPPARTS
3 matchesNISSAN
2 matchesQUINTON-HAZELL
2 matchesUNIPART
1 matchesVALEO
3 matchesFactory Direct
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