Sierra 18-6102 OMC, Volvo Gearcase Magnesium Anode Used on Gearcases 2.3L1987-90, 2.63.54.6L1989, 3.04.35.05.8L1987-93, 5.7L1987-92, 7.4L1987-88 Material Magnesium Interchangeable with OMC Stern Drive 3853818 3855412 984513 Tecnoseal 00903MG Volvo Penta 3855412 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Product MPN 18-6102 Product UPC 808282103460 Fast Ship In Stock Ships Today