Sierra 18-3899 Water Cover Gasket Sierra high-quality engine parts are designed to meet OEM specifications and are backed by Sierras unmatched manufacturers warranty. For Use on JohnsonEvinrude Engines, For 20,25, 25C, 30, 35 Interchangeable with GLM 33700 JohnsonEvinrude Outboard 327674 California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Product MPN 18-3899 Product UPC 808282244118 Fast Ship In Stock Ships Today