Products MercuryNut / Screw / Plug / Pin / Key Back Nut 11-45812 Item number: 11-45812 Similar number: SIERRA 18-2344 GLM 21161 Fits: Mercruiser ALPHA ONE GEN II You May Also Be Interested In Nut 11-13436 / 13436 Plug - Carburetor Cove 19-47579 / 47579 Sealing Ring 853807 Piston Kit 09-773-03