ACDelco GM Original Equipment 41156 Iridium Spark Plug

Iridium is the latest in spark plug technology and is an exact replacement for vehicles original components Iridium composition provides a high melting point and great strength helps to provide excellent wear resistance and durability Iridium offers excellent engine idle stability reliable cold starting quick acceleration and smooth performance Three Piece Fired in Suppressor seal meters spark energy for long electrode life helps prevent combustion leakage and helps block radio frequencies that can affect vehicle electronics 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