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 Key 28-43037 / 43037 Screw 10-96411 / 96411 Cylinder sleeve 496-44410A-00 Full Gasket Kit 09-711276