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 Clip 18-20233 / 20233 Vent Plug 10-79953Q2 / 79953Q2 Washer, Crank 8A7-11685-00 Connecting Rod Kit 296-01000-525 / 010-525