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 Sleeve 23-816583 / 816583 Nut 11-13436 / 13436 Double Gasket (0.6MM) 420-831-021 Bearing 92045-3709