Price: $11.99
(as of Aug 04, 2024 14:16:47 UTC – Details)
ACDelco GM Original Equipment 41-156 Iridium Spark Plug
Iridium is the latest in spark plug technology and is an exact replacement for vehiclesÆ original componentsá
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
Customers say
Customers like the performance and ease of installation of the spark plug. For example, they mention it runs smoothly and adds 2-3 mpg immediately. That said, some complain about the pre-gapped. Opinions are mixed on fit and quality.
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