Sierra Marine Parts Catalog

825 I/O — MERCRUISER - Generation II Lower Gearcase Assembly NSS Not Sold Seperate Figure # Description Part # OEM # Qty. 1 Gear Housing 18-2415 1623-815822A36 1 2 Sleeve — 23-816573 1 3 Coupling 18-3151 816597A1 1 4 O-Rings 18-7420 25-21836 2 5 Face Seal 18-2599 26-816575A2 1 6 Screw, 10-32 X 5/8 NSS 10-816928 4 7 Star Washer NSS 13-69432 4 8 Water Pump Body 18-3147 817275A1 1 9 Impeller 18-3056 47-43026-2 1 10 Gasket 18-2563 27-817277 1 11 Face Plate 18-3122 817276 1 12 Gasket 18-2564 27-43033-1 1 13 Seal Carrier 18-2354 821759A2 1 14 O-Ring 18-7176 25-90011 1 15 Seal 18-2013 26-16977 1 16 Seal 18-2014 26-89238 1 17 Cover Nut 18-2346 824519 1 18 & 19 Bearing, Upper Driveshaft (1.50-1.65 Ratio) 18-1143 31-36387A1 1 20 Shim Kit 18-2294 15-42637A1 1 21 Drive Shaft (1:47 & 1:62) 18-2331 45-853648 1 Drive Shaft (1:50 & 1:65) 18-2261 45-816919 1 Drive Shaft (1:84 & 1:98) (Early Style use with 18-1143) — 45-816472 1 22 Impeller Drive Key 18-3293 28-43037 1 23 Shift Shaft 18-2320 815919A1 1 24 Sleeve 18-2349 23-67370 1 25 Seal 18-2009 26-89236 1 26 Shift Rod Bushing Assembly 18-2353 23-815921A21 1 27 Screw, 10-32 X 5/8 NSS 10-806290 2 28 Star Washer NSS 13-69432 2 29 Speedometer Pickup Fitting — NSS 1 30 O-Ring 18-7440-1 25-36318 1 31 O-Ring 18-7440-1 25-36318 1 32 Retaining Ring 18-4295 53-29641 1 33 Dowel Pin — 17-43044 1 34 Stud, Mounting — 16-57984 1 35 Seal 18-2944 26-45577 1 36 Dowel Pin — 17-43044 1 37 Plug 18-2375 22-67892A1 1 38 Gasket 18-2945 12-19183 1 Figure # Description Part # OEM # Qty. 39 Trim Tab 18-6016 76214A5 1 40 Washer, Anode Mounting — 13-806210 1 41 Bolt, Anode Mounting — 10-806327 1 42 Pinion Bearing 18-1117 31-42647A1 1 43 Pinion Gear 18-2206 43-828072A2 1 44 Washer 18-2343 12-92721 1 45 Nut 18-3719 11-35921 1 46 Pin — 17-37972-1 1 47 Shift Crank 18-2130 76865 1 48 Shift Spool Assembly 18-2286 818349A1 1 49 Shim Kit 18-2285 15-47397A1 1 50 & 51 Forward Gear, Outer Bearing 18-1159 31-35928A1 1 52 Retaining Clip, Inner Bearing NSS — 1 53 Forward Gear, Inner Bearing 18-1157 31-30895 1 54 Forward Gear 18-2206 43-828072A2 1 55 Cross Pin Spring 18-2348 24-30893 1 56 Sliding Clutch 18-2202 52-824112 1 57 Cross Pin 18-2357 17-30632 1 58 Propeller Shaft 18-2166 44-824110 1 59 Spacer — 23-824108 1 60 Reverse Gear 18-2206 43-828072A2 1 61 Thrust Ring 18-2342 681001 1 62 Ball Bearing 18-1155 30-88957A1 1 63 O-Ring 18-7159 25-31534 1 64 Roller Bearing 18-1158 31-30956 1 65 Bearing Carrier 18-2376 818763A10 1 66 Seal 18-2002 26-14077 1 67 Seal 18-2076 26-12224 1 68 Carrier Anode 18-6093 806105A1 1 69 Lockwasher, Anode Mounting — 13-69432 2 70 Bolt, Anode Mounting — 10-806290 2 71 Tab Washer 18-2298 14-18323 1 72 Cover Nut 18-3751 79448 1 73 Thrust Hub 18-4220 13171 1 74 Continuity Washer NSS 13-42351-1 1 75 Splined Washer 18-3714 12-31211A2 1 76 Tab Washer 18-3200 14-31210 1 77 Propeller Nut 18-3700 11-52707 1 Seal Kit (Not Pictured) 18-2646-1 26-816575A3 1