Spark PlugCross Reference

AUTOLITE 4051

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.

118 matches found

← Back to search

Cross-reference results

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

ACDELCO

1 matches

S40XL80 total matches

BLUELIGHTNING

1 matches

BL1512 total matches

BOSCH

5 matches

W3CC237 total matches 24126550172 total matches 0 241 274 50566 total matches 024227450145 total matches WR07CS45 total matches

BOSCH STK

1 matches

7529110 total matches

CHAMP STK

2 matches

68619 total matches 69314 total matches

CHAMPION

12 matches

C55130 total matches C57108 total matches 78284 total matches C57C76 total matches N541C72 total matches N57G58 total matches N82G47 total matches 80541 total matches N5739 total matches N8032 total matches N80G30 total matches N8224 total matches

DENSO IRIDIUM PN

1 matches

IW3146 total matches

DENSO IRIDIUM STK

1 matches

531948 total matches

DENSO STK

6 matches

404654 total matches 406231 total matches 406314 total matches 404812 total matches 40589 total matches 41797 total matches

GM OEM NR

1 matches

561344831 total matches

MTRCRFT PN

2 matches

AG05153 total matches AG501X38 total matches

NGK

52 matches

V1453 total matches BPR10EVX168 total matches R433910163 total matches R6021E10163 total matches R4452D10162 total matches R4304-A10161 total matches BP10EVX159 total matches R465210159 total matches 206223155 total matches 3506152 total matches BPR10EV152 total matches R6918B-8150 total matches B10.5EGV125 total matches BR10EIX111 total matches BR10EV99 total matches B10EG97 total matches 680195 total matches B10.5EV91 total matches R5118M-1191 total matches BR10EG81 total matches R5118M-10.572 total matches B10ES71 total matches B10EVX70 total matches B10EGV68 total matches 363062 total matches 733559 total matches B10EV59 total matches B10EGP58 total matches BR10ES58 total matches 732454 total matches 383053 total matches BR10ECS52 total matches 592750 total matches R7435-1046 total matches 588042 total matches B95EGV40 total matches R5686-1035 total matches 483233 total matches 512732 total matches BR10EYA31 total matches BR10HIX30 total matches 792827 total matches 669224 total matches 449223 total matches 214522 total matches 522421 total matches 489713 total matches 468410 total matches 761310 total matches 69576 total matches 39935 total matches BR10EG SOLID5 total matches

NGK STK

7 matches

792815 total matches 363013 total matches 498810 total matches 732410 total matches 21459 total matches 59278 total matches 39934 total matches

SPLITFIRE

1 matches

SF405A77 total matches

Factory Direct

Need AUTOLITE 4051 in bulk?

We supply OEM-quality spark plugs directly from ISO-certified factories. Save 30-50% on wholesale orders.

Request a quote

OEM quality

Fast ship

Why source with us?

✓Direct from manufacturer
✓Quality tested (ISO 9001)
✓Low MOQ (100 pcs)