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 - Propeller Shaft 11-22339 / 22339 Nut 11-45812 Oil Seal 3004-523 Full Gasket Kit 09-711291