ACDelco Professional Iridium Sparkplug

ACDelco Professional Iridium Sparkplug

  • Part#: 41-105
  • | SKU: 9621620
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  • Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
  • Latest evolution in high-performance plug electrode material

ACDelco Professional Iridium Sparkplug

ACDelco iridium spark plugs are the latest evolution in high performance plugs. The natural properties of iridium, with a melting point of approximately 700 degrees Celsius higher than platinum, help enable the plug to burn fuel more efficiently and to deliver better performance. As a result, the iridium plugs have a minimum service life of 100,000 miles (service life varies with individual driving conditions.) Since iridium is one of the densest materials found on earth, the iridium-tipped center electrode is 50 percent the size of a platinum electrode, and 20 percent the size of a conventional nickel electrode. The secondary micro-discharge of the center electrode burns off carbon deposits as they form, for superior anti-fouling performance that, along with the tapered cut-ground electrode, offers enhanced flame spread during combustion. The specially designed electrodes increase the electric field strength at the gap, reducing the voltage required for sparking to begin, for improved cold starting and quicker acceleration. The application coverage of ACDelco iridium spark plugs continues to grow, with the plugs being backed by a 100,000-mile limited warranty.

  • Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
  • Latest evolution in high-performance plug electrode material
  • Improved cold-starting and acceleration characteristics
  • Reduced ignition system voltage demands saves wear and tear
  • New-vehicle applications using iridium plugs continues to increase
  • 100,000 miles/Unlimited months WARRANTY (parts only)
ACDelco Professional Iridium Spark Plug

Seat Tapered
Electrode Core Copper
Electrode Tip Iridium
Thread Size 14mm

9621620

  • Description & Features

    .

    ACDelco Professional Iridium Sparkplug

    ACDelco iridium spark plugs are the latest evolution in high performance plugs. The natural properties of iridium, with a melting point of approximately 700 degrees Celsius higher than platinum, help enable the plug to burn fuel more efficiently and to deliver better performance. As a result, the iridium plugs have a minimum service life of 100,000 miles (service life varies with individual driving conditions.) Since iridium is one of the densest materials found on earth, the iridium-tipped center electrode is 50 percent the size of a platinum electrode, and 20 percent the size of a conventional nickel electrode. The secondary micro-discharge of the center electrode burns off carbon deposits as they form, for superior anti-fouling performance that, along with the tapered cut-ground electrode, offers enhanced flame spread during combustion. The specially designed electrodes increase the electric field strength at the gap, reducing the voltage required for sparking to begin, for improved cold starting and quicker acceleration. The application coverage of ACDelco iridium spark plugs continues to grow, with the plugs being backed by a 100,000-mile limited warranty.

    • Iridium is one of the hardest metals used in spark plugs today, which allows for smaller, more efficient electrode designs for improved cold starting and quicker acceleration
    • Latest evolution in high-performance plug electrode material
    • Improved cold-starting and acceleration characteristics
    • Reduced ignition system voltage demands saves wear and tear
    • New-vehicle applications using iridium plugs continues to increase
    • 100,000 miles/Unlimited months WARRANTY (parts only)
    ACDelco Professional Iridium Spark Plug

  • Specifications

    .
    Seat Tapered
    Electrode Core Copper
    Electrode Tip Iridium
    Thread Size 14mm
  • Customer Reviews

    .

    9621620

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