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AC Delco Iridium Spark Plug

Blain # 577293 | Mfr # 41-101
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Iridium Spark Plug

AC Delco Iridium Spark Plug

Iridium Spark Plug
Iridium Spark Plug

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Manufacturer #:

  • 41-101
  • 41-105
  • 41-110
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About This Item


Manufacturer part numbers are vehicle specific, and price varies by application. Installation fees may apply.


  • Precisely engineered and manufactured to provide everyday reliability and efficient performance
  • Helps your engine run cleaner and longer
  • A copper-core center electrode that helps provide improved heat transfer to the tip, giving you the reliability you’re looking for while improving its resistance to low - speed carbon fouling
  • Hot - tip insulator heats fast and fires hot
  • Nickel - chrome alloy on the ground electrode and center electrode sheathing resists wear from spark erosion and the corrosive environment of the combustion chamber


Type: Iridium
Manufacturer #: 41-101

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