Sierra 18-6125Z Zinc Transom Plate Anode Sierra replacement transom plate anode for Volvo Penta and OMC Stern Drives. Material Zinc Interchangeable with CMP CM3854130Z OMC Stern Drive 3854130 987521 Tecnoseal 00718 Volvo Penta 3854130 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Product MPN 18-6125Z Product UPC 808282291051