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 Screw - Exhaust Plate 10-28668 / 28668 Clip 18-20233 / 20233 Cylinder Liner FL1251 Battery CTX20L-BS / YTX20L-BS