ACDelco 41-100 Professional Iridium Spark Plug (Pack of 1) 447233381559 Can be used universally with

Can be used universally with any electric or mechanical fuel pump

Perfect for serving soups and sauces

Disable 4 cylinder mode on all GM Active Fuel Management Vehicles

High-flow washable oiled synthetic material

ACDelco 41-100 Professional Iridium Spark Plug (Pack of 1) 447233381559 Can be used universally withBrand ACDelco Model 41 100 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