ACDelco 41-103 Professional Iridium Spark Plug (6 Pack)
- 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.
- Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional.
- ACDelco GM Original Equipment parts are designed, engineered and tested to rigorous standards, and are backed by General Motors.
- GM Engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle.
- GM regularly updates production and service part designs to integrate new materials and technologies.