Caterpillar Engine Zinc 6L2280 Zinc Anode 3/8 inch NPT Plug 1-5/8 inch Length (E
Marine engine zinc anode for all Caterpillar diesel engines. Zincs should be replaced every season or after 2/3 of zinc has eroded, which ever happens first. These are pre cut zinc engine anodes complete with brass plug and zinc. E-0H Engine Zinc Anode 3/8″ NPT x 1-5/8″ Picture is of a larger size-for reference B0088HZQIS