Page 881 - 2021 Sierra Catalog

18-1153
BALL BEARING
Replaces: 30-63326, 30-63326T, 30-49313, 30-54215, 30-20464
18-1155
BALL BEARING
Replaces: 30-88957A1, 30-88957T, 30-35914, 30-17927, 30-88957
18-1158
CARRIER BEARING Replaces: 31-30956, 31-30956T, 31-F523058
For: Mercruiser Vazer
18-1160
DRIVE BEARING KIT
Replaces: 31-35988A2, 31-35988A12
MERCRUISER STERNDRIVE UPPER GEAR HOUSING BEARINGS
Sterndrive Model
IA,IB,IC & EZ Shift 120/140
120/140
120/140
470/485
160
160
165
888
888
225-S
898/228
233
250
255-TRS
260
280-TRS
R/MR/Alpha One
R/MR/Alpha One
R/MR/Alpha One
R/MR/Alpha One
Alpha One SS
Alpha One SS
Alpha One Gen II
Alpha One Gen II
Alpha One Gen II
Alpha One Gen II
Alpha One Gen II 2.40/2.00/1.94/1.81/1.62 Alpha One Gen II 1.47
Drive Ratio
Years
Serial #
1684188 - 2065186 2062141- 2187468
Drive Gear (Yoke)
Driven Gear
Upper Cap
All
1.98
1.98
1.98
1.84
1.68
1.68
1.65
1.5
1.5
1.5
1.65
1.32
1.32
All
1.5
All
1.98/1.84/1.65/1.50
1.5 1984-90 1.32 1984-90 1.5 Heavy Duty 1984-90 1.32 1986-89 1.5 1986-89 2.40/1.98/1.84/1.65 1991-95 1.5 1991-95 2.40/1.94/1.81/1.62 1996-97 1.47 1996-97
18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 18-1160 —
— 18-1162 18-1160 18-1162 18-1160 18-1160 —
—
—
— 18-1160 18-1160 18-1160 18-1160
18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 18-1161 —
— 18-1162 18-1161 18-1162 18-1161 18-1142 — 18-1142 — 18-1142 18-1161 18-1142 18-1161 18-1142 18-1161 18-1142 18-1162 18-1162 18-1162 —
18-1179 18-1161 18-1179 18-1165 18-1165 18-1161 18-1179 18-1165 — 18-1165 18-1165 18-1165 18-1165 18-1165 — 18-1165 — 18-1165 18-1165 18-1165 18-1165 18-1165 18-1165 18-1165 18-1165 18-1179 18-1179 18-1179 18-1179 —
—
— 18-1129
1964-66 1967 1967-71 1971-82 1976-82 1967 1967-71 1971-81 1971-73 1973-77 1974 1977-82 1975-77 1977 1973-74 1978-82 1975-76 1984-90
2187469 - 3134194 - 4208730 - 2065190 - 2182198 - 3213658 - 3106717 - 3134194 - 3856268 - 4782330 - 4200500 - 4791300 - 3377316 - 4898730 - 4203750 - 6225577 - 6225577 - 6225577 - 6225577 - A545004 - A545004 - D469859 - D469859 - F680000 - F680000 - L100040 - L100040 - 3377316 -
ALL 4794900 -
3134193 6225576 6225576 2182197 3134193 UP 3134193 UP 4200499 6225576 UP 4898729 4203749 6225576 4895399 UP
➂ ➂
UP
UP
UP
UP
UP
F679999
F679999
K999999
K999999
UP — UP — 4794899
➀ ➃
➃ ➃
II-TR — SSM II — TR/TRS — Bravo I, II, III All
➀ ➁
1998 & Up 1998 & Up 1973-76 1982-97 1977-93 —
UP B664190 & UP
18-1162 18-1162 18-1162 —
➁ ➂ ➂
Timken Cone # 89449 / Cup 89410 Straight Shoulder Gear Only
➂ ➃
Bearing for U-Joint Yoke
Use 18-1142 for 1.5:1 Upper Gear Ratio
MERCRUISER STERNDRIVE LOWER GEAR HOUSING BEARINGS
Years
Beg. Serial # - End Serial #
Prop Bearing Carrier
Lower Drive Shaft (Pinion)
Upper Drive Shaft
Inside Forward Gear (Needle)
Outside Forward Gear
1965-66
1830753 - 2063740
—
—
—
—
18-1162
1966-72
2063741 - 3225967
18-1158
—
—
18-1157
18-1156
1963
1534570 - 1536617
18-1158
—
18-1153
18-1157
18-1156
Sterndrive Model
Reverse Gear
60 — 80/90 — I—
➀ 18-1161 Top Bearing / ➁ Torrington#B1616 ➃ #15520 Stamped on Cup
18-1163 Bottom Bearing ➂ Prop Shaft Drive Gear ➄ Use 18-1173 for 2.40:1 ratio only (new style
lower gears) our 18-2206-1 863
I/O — MERCRUISER - Drive System