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Spark PlugCross Reference

AUTOLITE 646

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.

115 matches found
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Cross-reference results

⚠ Important: Before substituting, confirm: same heat range, matching electrode gap, correct thread reach, and compatible resistor type.

ACCEL

3 matches
114239 total matches11754 total matches011746 total matches

ACDELCO

4 matches
R44XLS649 total matchesR45XLS640 total matchesR45NSX33 total matches41-61823 total matches

ATLAS

1 matches
C95R64 total matches

BECK ARNLEY

2 matches
176-519480 total matches176-523325 total matches

BERU

4 matches
UXT2409 total matchesUXT6404 total matches14R-8DU105 total matchesZ863 total matches

BOSCH

14 matches
WR7DC438 total matchesWR8LP+395 total matchesW145T30X313 total matchesWR9139 total matchesWR9DPX96 total matches751494 total matches752392 total matchesWR9DCY69 total matchesWR1OLCV60 total matchesWR10LCV46 total matches0 242 225 52536 total matchesWR9DY11 total matches79148 total matches79238 total matches

BOSCH STK

2 matches
750159 total matches751414 total matches

CHAMP STK

5 matches
7071132 total matches32294 total matches3120 total matches10514 total matches24058 total matches

CHAMPION

21 matches
RN11YC4369 total matches322C2314 total matches322S314 total matches3221313 total matchesRC12PYP244 total matches70712193 total matches7692 total matchesRN14MC579 total matchesRN16YC574 total matchesRN14MC5/01362 total matches31C261 total matches105C260 total matchesRN16YC5/T0460 total matchesRN16YC5/01459 total matchesRN12YC645 total matchesRN14Y-640 total matches407938 total matches10527 total matches240524 total matchesRN12C619 total matches3117 total matches

DELPHI

1 matches
327219 total matches

DENSO

14 matches
IW16486 total matches0677008650368 total matchesVW16328 total matchesW16EXR-U321 total matchesW16EXR-UA320 total matches2677000770238 total matchesW16EXR-U11177 total matches067700-2431128 total matchesW16EP-U1043 total matchesW16EX-U1343 total matchesW14EXR-U1532 total matchesW14EXR-U1321 total matches301516 total matches067700491010 total matches

DENSO STK

5 matches
303190 total matches303239 total matches301913 total matches30158 total matches30297 total matches

GM OEM NR

3 matches
25164642102 total matches561393227 total matches561394613 total matches

MIGHTY

2 matches
M4GR52617 total matchesGR5264 total matches

MOPAR

3 matches
468608322 total matches48644588 total matchesSP0RN14MC54 total matches

MTRCRFT PN

5 matches
AGS42C113 total matchesAGS52C-641 total matchesAGR52-625 total matches4514 total matchesSP-4514 total matches

MTRCRFT STK

2 matches
1690 total matches5125 total matches

NGK

13 matches
206218367 total matchesBPR5EIX11P241 total matchesBPR5EIXP241 total matchesGR4217 total matchesGR4577 total matchesBPR5ES-1364 total matchesBP5ES-1349 total matchesBCPR5EVX-1148 total matchesGR5543 total matches426830 total matchesBP5ES-1023 total matches401221 total matches55649 total matches

NGK STK

4 matches
263589 total matches426825 total matches237218 total matches40127 total matches

PRECISIONTUNE

1 matches
P4GR52 64 total matches

PRESTOLITE

2 matches
14GR52-613 total matches14GR52A13 total matches

SPLITFIRE

2 matches
SF6F634 total matchesSF006E19 total matches

VALLEY FORGE

2 matches
32R113 total matches155R25 total matches
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