Spark PlugCross Reference
NGK 303
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.
56 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
3 matchesBERU
2 matchesBOSCH
9 matchesBRISK
1 matchesCHAMPION
10 matchesDENSO
5 matchesEYQUEM
1 matchesGUTBROD
1 matchesHONDA
2 matchesKAWASAKI
2 matchesLODGE
1 matchesMARELLI
3 matchesMTRCRFT PN
4 matchesNGK
3 matchesPAL
1 matchesPRESTOLITE
2 matchesTORCH
2 matchesTOYOTA
1 matchesYAMAHA
2 matchesFactory Direct
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