Spark Plug, Ignition Coil, Seal manufacturer / supplier in China, offering Certified Spark Plug R6gc1-77g6 for 602-7619/3465123 in G35xx Industrial Engines, Durable R6gc1-77g6 Ignition Plug Exact Fit for G35xx Engines & Models 3465123/602-7619, OEM 602-7619 Alternative R6gc1-77g6 Spark Plug for G35xx Generator Sets and so on.