Sierra Marine Parts Catalog

841 I/O — MERCRUISER - Drive System 18-2404 GEAR REPAIR KIT Replaces: 43-803079T1 For: “R” drive — CONTAINS — Part # Description O.E. # Qty. 18-2200 Lower Unit Gear Set 43-96084A4 1 18-2202 Sliding Clutch 52-66063 1 18-1157 Needle Roller Bearing 31-30895 1 18-1155 Ball Bearing 30-88957A1 1 18-1159 Tapered Roller Bearing 31-35928A1 1 18-2285 Shim 15-47397A1 1 18-3719 Pinion Nut 11-35921 1 18-2299 Tab Washer 14-79447 1 18-2405 GEAR REPAIR KIT Replaces: 43-803091T1 For: MR/Alpha I — CONTAINS — Part # Description O.E. # Qty. 18-2652 Lower Gear Housing Seal Kit 26-33144A2 1 18-3719 Pinion Nut 11-35921 1 18-2343 Washer 12-982721 1 18-2298 Tab Washer 14-18323 1 18-2299 Tab Washer 14-79447 1 18-2206-1 Gear Set 43-42934 1 18-2285 Shim 15-47397A1 1 18-1155 Ball Bearing 30-88957A1 1 18-1158 Needle Roller Bearing 31-30956 1 18-1117 Pinion Bearing 31-42647A1 1 18-1143 Alpha Bearing 31-36387A1 1 18-2294 Shim Kit 15-42637A-1 1 18-2202 Sliding Clutch 52-66063 1 18-2407 GEAR SET Replaces: 43-878087A4, 43-823072A2, 43-42933A3, 43-42933A2, 43-17064A3 For: MR/Alpha/Gen II lower gear housings — CONTAINS — Part # Description O.E. # Qty. 18-2206-1 Gear Set 43-42934 1 18-1155 Ball Bearing 30-88957A1 1 18-1117 Pinion Bearing 31-42647A1 1 18-1158 Needle Roller Bearing 31-30956 1 18-1143 Alpha Bearing 31-36387A1 1 18-2294 Shim Kit 15-42637A-1 1 18-2285 Shim 15-47397 1 18-3719 Pinion Nut 11-35921 1 18-2343 Washer 12-982721 1 18-2202 SLIDING CLUTCH Replaces: 52-66063, 52-853594T, 52-853594, 52-824112 888 S/N 3784375 & UP #1 Units S/N 3469428 & UP 18-2348 18-2348-9 ➀ CLUTCH CROSS PIN SPRING Replaces: 24-30893 1/MC-1/R/MR/Alpha Mercruiser/Gen II lower S/N D469859-F679999 Mercruiser Vazer 18-2357 CROSS PIN Replaces: 17-30632, 17-8M0020941, 17-8M0100263, 17-8M0084681 ➀ Priced per Package  PKG. OF 2 18-2254 PROP SHAFT Replaces: 44-850308 For: Alpha One Gen II S/N 0L100040 & up/Vazer 18-2166 PROP SHAFT Replaces: 44-66060, 44-660603, 44-824110, 44-660602, 44-55857 For: All #1 & MR/ALPHA Units S/N 2791957 & above. Also for 165 (6 cyl.) S/N 2763442 & above.