Professional Iridium Spark Plug

The ACDelco 41-115 is a professional, premium aftermarket iridium spark plug, serving as an exact replacement for your vehicle's original components. This spark plug utilizes iridium, a material known for its high melting point, exceptional strength, and superior wear resistance, ensuring excellent durability and longevity. The fine-wire electrode design contributes to efficient combustion, helps burn away carbon deposits, and promotes reliable cold starting and quick acceleration. Key specifications for this spark plug include a M14-1.25 thread size, an M16 hex size, a conical seat type, and a thread reach of 0.984 inches. The insulator height is 2.07 inches (52.5 mm), and it comes pre-gapped to 0.043 inches. The center electrode tip material is iridium, with a nickel top material type. ACDelco Professional Iridium Spark Plugs are pre-gapped during manufacturing, and it is not recommended to attempt re-gapping them, as this could lead to damage. Always ensure new spark plugs are installed to the proper torque specifications per the manufacturer's recommendations. This product is also covered by a 7 Year / Unlimited Mile Limited Warranty on parts sold on or after 04/01/18. This spark plug is listed as fitting various Cadillac, Chevrolet, and GMC models from 2013 to 2018, including the ATS, Colorado, Impala, Malibu, Malibu Limited, Acadia, and Canyon.