NGK Spark Plug, NGK Standard, 12 mm Thread, 0.749 in Reach, Gasket Seat, Stock Number 3481, Resistor, Each is a high-quality replacement spark plug engineered for reliable ignition performance and durability. It features a solid copper or nickel electrode design that promotes efficient heat dissipation and consistent spark delivery.

Built with a high-grade ceramic insulator and corrosion-resistant shell, this plug resists fouling and carbon buildup while operating effectively across a wide heat range. Cold-rolled threads and precise construction help prevent damage during installation.

Ideal for maintaining engine efficiency, smoother idle, and reliable starts in compatible vehicles or equipment. A trusted choice for routine maintenance and performance-minded replacements.