Spark PlugCross Reference
NGK R5674-6
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.
65 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
4 matchesAUTOLITE
4 matchesBECK ARNLEY
1 matchesBOSCH
5 matchesBRISK
1 matchesCHAMP STK
2 matchesCHAMPION
11 matchesDENSO
9 matchesDENSO IRIDIUM PN
1 matchesDENSO IRIDIUM STK
1 matchesDENSO STK
2 matchesEYQUEM
1 matchesGM OEM NR
5 matchesISKRA
1 matchesMARELLI
1 matchesMIGHTY
1 matchesMOPAR
2 matchesMTRCRFT PN
4 matchesMTRCRFT STK
1 matchesNGK
1 matchesNGK STK
2 matchesSPLITFIRE
2 matchesUNIPART
1 matchesVALLEY FORGE
1 matchesFactory Direct
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