Engine Spark Plug 4W-2256 is a high-performance industrial spark plug designed for Caterpillar (CAT) gas engines. It ensures reliable ignition and efficient fuel-air combustion, helping engines operate smoothly and deliver consistent power.
Commonly used in G3300 and G3400 series engines (such as G3306, G3406, and G3408), it is ideal for generator sets and heavy-duty industrial applications.