Sierra Marine Parts Catalog

845 18-1153 BALL BEARING Replaces: 30-63326, 30-63326T, 30-49313, 30-54215, 30-20464 18-1158 CARRIER BEARING Replaces: 31-30956, 31-30956T, 31-F523058 For: Mercruiser Vazer I/O — MERCRUISER - Drive System 18-1155 BALL BEARING Replaces: 30-88957A1, 30-88957T, 30-35914, 30-17927, 30-88957 18-1160 DRIVE BEARING KIT Replaces: 31-35988A2, 31-35988A12 ➀ Timken Cone # 89449 / Cup 89410 ➁ Straight Shoulder Gear Only ➂ Bearing for U-Joint Yoke ➃ Use 18-1142 for 1.5:1 Upper Gear Ratio MERCRUISER STERNDRIVE UPPER GEAR HOUSING BEARINGS Sterndrive Model Drive Ratio Years Serial # Drive Gear (Yoke) Driven Gear Upper Cap IA,IB,IC & EZ Shift All 1964-66 1684188 - 2065186 18-1160 18-1161 18-1179 120/140 1.98 1967 2062141- 2187468 18-1160 18-1161 18-1161 120/140 1.98 1967-71 2187469 - 3134193 18-1160 18-1161 18-1179 120/140 1.98 1971-82 3134194 - 6225576 18-1160 18-1161 18-1165 470/485 1.84 1976-82 4208730 - 6225576 18-1160 18-1161 18-1165 160 1.68 1967 2065190 - 2182197 18-1160 18-1161 18-1161 160 1.68 1967-71 2182198 - 3134193 18-1160 18-1161 18-1179 165 1.65 1971-81 3213658 - UP 18-1160 18-1161 18-1165 888 1.5 1971-73 3106717 - 3134193 18-1160 18-1161 — 888 1.5 1973-77 3134194 - UP 18-1160 18-1161 18-1165 225-S 1.5 1974 3856268 - 4200499 18-1160 18-1161 18-1165 898/228 1.65 1977-82 4782330 - 6225576 18-1160 18-1161 18-1165 233 1.32 1975-77 4200500 - UP — — 18-1165 250 1.32 1977 4791300 - 4898729 — — 18-1165 255-TRS All 1973-74 3377316 - 4203749 18-1162 ➂ 18-1162 — 260 1.5 1978-82 4898730 - 6225576 18-1160 18-1161 18-1165 280-TRS All 1975-76 4203750 - 4895399 18-1162 ➂ 18-1162 — R/MR/Alpha One 1.98/1.84/1.65/1.50 1984-90 6225577 - UP 18-1160 18-1161 ➀ ➃ 18-1165 R/MR/Alpha One 1.5 1984-90 6225577 - UP 18-1160 18-1142 18-1165 R/MR/Alpha One 1.32 1984-90 6225577 - UP — — 18-1165 R/MR/Alpha One 1.5 Heavy Duty 1984-90 6225577 - UP — 18-1142 18-1165 Alpha One SS 1.32 1986-89 A545004 - UP — — 18-1165 Alpha One SS 1.5 1986-89 A545004 - UP — 18-1142 18-1165 Alpha One Gen II 2.40/1.98/1.84/1.65 1991-95 D469859 - F679999 18-1160 18-1161 ➃ 18-1165 Alpha One Gen II 1.5 1991-95 D469859 - F679999 18-1160 18-1142 18-1165 Alpha One Gen II 2.40/1.94/1.81/1.62 1996-97 F680000 - K999999 18-1160 18-1161 ➃ 18-1179 Alpha One Gen II 1.47 1996-97 F680000 - K999999 18-1160 18-1142 18-1179 Alpha One Gen II 2.40/2 .00/1.94/1.81/1.62 1998 & Up L100040 - UP — 18-1161 18-1179 Alpha One Gen II 1.47 1998 & Up L100040 - UP — 18-1142 18-1179 II-TR — 1973-76 3377316 - 4794899 18-1162 ➁ 18-1162 — SSM II — 1982-97 ALL 18-1162 ➂ 18-1162 — TR/TRS — 1977-93 4794900 - UP 18-1162 ➂ 18-1162 — Bravo I, II, III All — B664190 & UP — — 18-1129 MERCRUISER STERNDRIVE LOWER GEAR HOUSING BEARINGS Sterndrive Model Years Beg. Serial # - End Serial # Prop Bearing Carrier Lower Drive Shaft (Pinion) Upper Drive Shaft Inside Forward Gear (Needle) Outside Forward Gear Reverse Gear 60 1965-66 1830753 - 2063740 — — — — 18-1162 — 80/90 1966-72 2063741 - 3225967 18-1158 — — 18-1157 18-1156 — I 1963 1534570 - 1536617 18-1158 — 18-1153 18-1157 18-1156 — ➀ 18-1161 Top Bearing / 18-1163 Bottom Bearing ➁ Torrington#B1616 ➂ Prop Shaft Drive Gear ➃ #15520 Stamped on Cup ➄ Use 18-1173 for 2.40:1 ratio only (new style lower gears) our 18-2206-1