Spark PlugCross Reference
AUTOLITE 5503
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.
129 matches found
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⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.
ACDELCO
3 matchesATLAS
1 matchesBECK ARNLEY
3 matchesBOSCH
6 matchesBOSCH STK
3 matchesCHAMP STK
4 matchesCHAMPION
25 matchesRC12YC447 total matchesRC12YC/T06392 total matchesRC12YC/W24392 total matches71C2391 total matches71S391 total matchesRFN12Y391 total matchesSE12RCY391 total matchesRC9YC280 total matchesC9YCC/033271 total matchesRC9YC/T04271 total matchesRC12PYP244 total matchesRC9YC4221 total matchesOE005219 total matches70712193 total matches430C2183 total matches430S183 total matchesRC14YC151 total matches431S132 total matchesRC14YC/012131 total matches4311129 total matches431C2129 total matchesRC14YC/051129 total matchesQ20PU115 total matchesRC9YCN460 total matches4188 total matches
DENSO
11 matchesDENSO IRIDIUM PN
1 matchesDENSO IRIDIUM STK
1 matchesDENSO STK
4 matchesGM OEM NR
4 matchesMIGHTY
1 matchesMOPAR
3 matchesMTRCRFT PN
2 matchesMTRCRFT STK
1 matchesNGK
49 matchesBCPR6ES-1253 total matchesBKR6E-11197 total matchesBKR6ES-11194 total matchesBCPR5ES181 total matchesBCP6ES170 total matchesBCP5ES143 total matchesBCPR6ES143 total matches2756141 total matchesBCPR6ES-11135 total matchesBCPR4E129 total matchesBCPR4E-11129 total matches4930126 total matchesBCPR6E122 total matchesBCPR5EY-11120 total matches7496118 total matchesBPR6EY-11110 total matchesBCP6ET108 total matchesBCPR5E-11102 total matchesBCPR5ES-11102 total matches613098 total matches555395 total matchesBCPR6E-1195 total matchesBCPR5EY84 total matchesBCPR6EY-1183 total matches233081 total matchesBCP6ES-1177 total matchesBCPR5EY-N-1173 total matchesBCPR6E-Y-N-1169 total matches456359 total matchesBCPR6EY58 total matches126956 total matchesBCP5ES-1152 total matchesBCPR5EVX-1148 total matchesBCP6EV46 total matches127344 total matchesBCPR7EY-1143 total matchesBCP5EV42 total matches372040 total matchesBCPR6ER37 total matches721034 total matches126632 total matches626229 total matches114822 total matches669616 total matches127112 total matches225110 total matches29858 total matches24417 total matches56326 total matches
NGK STK
5 matchesPRECISIONTUNE
1 matchesSPLITFIRE
1 matchesFactory Direct
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