Description
The Champion 942M Copper Plus SE spark plug is designed for marine engine applications requiring dependable ignition performance and corrosion-resistant construction. Built with a nickel copper alloy electrode design, it supports efficient spark delivery while helping manage operating temperatures in marine environments. || This resistor-style spark plug features a 0.551-inch thread diameter, 0.441-inch thread reach, and tapered seat configuration to match compatible marine ignition systems. The specified 0.032 to 0.038-inch gap range supports stable combustion performance under varying engine loads. || Manufactured as part of Champion’s Copper Plus SE series, the 942M is intended as a direct replacement for compatible marine engines. Its compact threaded design and corrosion-resistant materials help support long-term service in demanding boating conditions.



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