AC Delco 41-101 Spark Plug


  • Iridium offers excellent engine idle stability and smooth performance
  • Iridium allows for small, efficient electrode designs for reliable cold starting and quick acceleration
  • Iridium fine-wire electrode helps burn away carbon deposits on the tip of the plug as they form
  • One piece suppressor seal helps block radio frequencies that can affect vehicle electronics
  • Suppressor seal meters spark energy for long electrode life and helps prevent combustion leakage
  • Iridium Spark Plug
  • Replaces Crusader RP030010
  • Replaces Mercruiser 33-8M2018369
  • Replaces PCM RP030010
  • Replaces NGK ITR4A15
  • Replaces Volvo Penta 21467472


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