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R5B12-77c

Generator Spark Plug
2025-08-29
Generator Spark Plug Industrial Spark Plug Denso GI3-5/GI3-1/GI3-3
Discover the high-quality R5B12-77C spark plug, a perfect replacement for GI3-5, GI3-1, and GI3-3 models. Designed with double iridium electrodes for superior ignition efficiency and energy savings, this industrial spark plug is ideal for generator sets using natural gas, biogas, and landfill gas. Learn more about its features and benefits!