AUTOLITE
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SPARK PLUG 3923/4 COPPER

3923

Spark Plugs

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(580)477-1500
AUTOLITE
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Description

  • Copper-glass seal bonds insulator, terminal post center electrode together; assures full required voltage at spark gap; gas-tight seal (100% leak proof)
  • Multi-rib insulator reduces danger of “flash-over”
  • One-piece terminal post adds strength
  • Resistor reduces radio frequency interference (RFI) and electrode erosion
  • Cold-formed steel shell precision rolled threads
  • Full copper core electrode provides better performance in all conditions
  • Verify all cross reference listings before purchase