Sierra 18-6115 Transom Bracket Anode Sierra aftermarket engine parts are manufactured to meet or exceed OEM requirements. For use on stern bracket Material Zinc Interchangeable with GLM 12739 JohnsonEvinrude Outboard 433580 5007089 5010190 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Product MPN 18-6115 Product UPC 808282145132