Description

ACDelco GM Original Equipment Iridium Spark Plugs are designed, engineered, and tested to rigorous standards, and are backed by General Motors. They are our latest in spark plug technology and an exact replacement for your vehicle's original components. Iridium composition provides a high melting point and great strength, and provides excellent wear resistance and durability. ACDelco GM Original Equipment parts are the true OE parts installed during the production or validated by General Motors for GM vehicles. Some ACDelco GM Original Equipment parts may have formerly appeared as GM Genuine Parts (OE) or ACDelco Professional. 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 GM engineers design and validate OE parts specifically for your Chevrolet, Buick, GMC, or Cadillac vehicle