Product Review

These are pre cut zinc engine anodes complete with brass plug and zinc. 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. E-0 ENGINE ZINC ANODE 1/4"NPT x 1-3/4" Engine pencil zincs-complete with end plug zinc pencil length: 1-3/4" diameter: 3/8" Wrench size: 9/16 plug n.p.t = 1/4" Picture is of a larger size-for reference