1939bcoupe

spark plug recommendation for a 39 special

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I guess they don't make AC 46 anymore.  Recommendations?

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There are several listings for NOS 46 plugs on eBay.

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I have heard that Autolite 306 and autolite 308 work also.  Any comments?

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Posted (edited)

Here are a few.

https://www.sparkplug-crossreference.com/convert/AC_DELCO/46

AC Delco 46 - Alternative spark plugs

There are 41 replacement spark plugs for AC Delco 46. The cross references are for general reference only, please check for correct specifications and measurements for your application.

  •  
  • AC Delco 46 replacement spark plugs
  • Accel 124
  • Autolite 295
  • Autolite 297
  • Autolite 306
  • Autolite 458
  • Bosch 0241225548
  • Bosch W9EC
  • Bosch W9EC0
  • Bosch WR9EC
  • Bosch stk 7515
  • Champion J11
  • Champion J11C
  • Champion J19LM
  • Champion RJ12C
  • Champion stk 511
  • Champion stk 592
  • Champion stk 861
  • Denso 6004
  • Denso W9-U
  • Denso W9U
  • Denso stk 6004
  • Eyquem FS20
  • General Motors 1559494
  • Iskra FS20
  • Lodge BAN
  • Motorcraft A11
  • Motorcraft A11LM
  • Motorcraft AS8
  • Motorcraft stk 117
  • Motorcraft stk 77
  • NGK 3110
  • NGK 3210
  • NGK B-4
  • NGK B2
  • NGK B2-10
  • NGK B4
  • NGK stk 3110
  • NGK stk 3210
  • Prestolite 14-09-01
  •  
  • Splitfire SF045F
  • Torch G4C
Edited by Spinneyhill (see edit history)

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