Spark PlugCross Reference
DENSO W31FS-ZU
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.
59 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
5 matchesBOSCH
7 matchesBOSCH STK
1 matchesBRISK
2 matchesCHAMP STK
2 matchesCHAMPION
11 matchesDENSO
9 matchesDENSO IRIDIUM PN
1 matchesDENSO IRIDIUM STK
1 matchesDENSO STK
1 matchesGM OEM NR
1 matchesNGK
10 matchesNGK STK
3 matchesSPLITFIRE
1 matchesYAMAHA
3 matchesFactory Direct
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