Premium OEM Chevrolet Iridium Spark Plug – Engineered for Peak Performance
High-grade iridium core ensures superior durability and extended lifespan compared to standard plugs, delivering consistent ignition under extreme conditions. Precision laser-welded tip minimizes voltage requirements while maximizing spark efficiency for smoother acceleration and improved fuel economy.
Direct-fit design (P/N: 41-110 / VSP687 / 12621258 / IT16) guarantees seamless compatibility with Chevrolet, Buick, Hummer, and GMC models. Factory-tested to meet strict OEM specifications for exact heat range and thread tolerance.
Ideal for high-performance engines, towing vehicles, and daily drivers seeking reduced emissions and cold-start reliability. Bulk purchase available for auto repair shops and fleet managers – wholesale pricing unmatched by retail competitors.
Ceramic insulator with anti-corrosion coating prevents misfires in humid or high-temperature environments. Ships in industrial-grade packaging to prevent damage during bulk logistics.






























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Top brand OEM strength factory Chevrolet Iridium Spark Plug 41-110 VSP687 12621258 IT16 For Chevrolet Buick Hummer GMC
$2.4$3.3-27.27%
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