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 Cross Pin 17-30632 / 30632 Screw 10-98794 / 98794 Piston Kit 09-772-02 Full Gasket Kit 09-711110