Mercury - Mercruiser 809664A-1 Prop Nut Anode Kit 1-18 in. Shaft 34 in. NF 16 Replaces GLM 12718 Fits MercuryMariner 70 hp and higher outboards except 225 EFI 4 stroke MC-I, R, MR, Alpha, Bravo I, TRS Sterndrives 1970 newer California Residents WARNING Cancer and Reproductive Harm - P65Warnings.ca.gov Other Details Google Product Type Engine Parts Wiser Yes Product MPN 809664A-1 Product UPC 745061064522