Sierra Marine Parts Catalog: Lower Gear Cases, Shims/Kits
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COMPLETE LOWER
GEAR CASE
Replaces: 1623-815822A53
For: Ratios 1.47, 1.62, 1.81 & 1.94
Fits: Gen II (1998 & up) 0L100040 & up
DRIVE SHAFT
HOUSING ASSEMBLY
Replaces: 1547-861063A4
For: Gen II Upper (1998-up), 0L100040-up, 1.47:1 Ratio/Gen II Upper (1998-
up) 0L100040-up, 1.62/2.00:1 Ratio’s/Gen II Upper (1998-up), 0L100040-up,
1.81:1 Ratio/Gen II Upper (1998-up), 0L100040-up, 1.94/2.40:1 Ratios
Used with: 18-2416, 18-2417, 18-2418, 18-2419 Complete Upper Gear Cases
120/140
2062141 thru 2791956
➁
➄
120/140
2791957 thru 4893634
➃
➄
120/140
4893635 thru 6225576
—
160
2065190 thru 2763441
➁
➄
165
2763442 thru 4890459
➃
➄
165
4890460 & UP
—
888
3106717 & UP
➂
➄
898/228
4782330 thru 4898729
➄
898/228
4898730 thru 6225576
—
225-S
3856268 thru 4200499
➄
233
4200500 & UP
➄
250
4791300 thru 4898729
➄
260
4898730 thru 6225576
—
470
4208730 thru 4893934
➄
470
4893835 thru 6225576
—
485
4893835 & UP
—
R/MR/Alpha One
6225577 & UP (R)
—
R/MR/Alpha One
6225577 & UP (MR)
➀ ➅
Alpha Gen II
D494569 thru F679999
➀ ➅
Alpha Gen II
F680000 & UP
➀ ➅
—
➀
For .208" Shim use Part Number
➀
For .210" Shim use Part Number
➀
For .212" Shim use Part Number
➀
For .214" Shim use Part Number
➀
For .218" Shim use Part Number
Bearing
Drive Shaft
Bearing
Cup to
Bearing
to Top
Drive Shaft
Drive Gear
to Gear
Reverse
Forward
HP
Serial Number
Cover Kit
Housing
Drive Gear
Spacer
Housing
Gear
Gear Kit
*
(1) each .002, .003, .005, .010, .025
*
(1) each .002, .003, .005, .010
*
(1) each .002, .003, .005, .010, .020
*
(1) each .002, .003, .005, .010, .020
SHIMS
SHIM KIT
Drive Gear
Replaces: 15-35980A1
Contains (1) each
.002, .003, .005, .006, .010, .025
For: Mercruiser Vazer
SHIM KIT
Upper Bearing
Replaces: 15-36178A1
Contains (1) each .002, .003, .015
(2) each .010
For: Mercruiser Vazer
SHIM KIT
Lower Drive Shaft Bearing
Replaces: 15-8M0063267, 15-42637A1
Contains (1) each
.002, .003, .005, .010, .020
For: Mercruiser Vazer
SHIM KIT
Lower Drive Shaft Bearing
Replaces: 15-57007A1
Contains (1) each
.002, .003, .005, .010, .020
For: Mercruiser Vazer
➀
For .220" Shim use Part Number
➀
For .222" Shim use Part Number
➀
For .224" Shim use Part Number
➀
For .226" Shim use Part Number
*
Kit
15-32563A1
For: Mercruiser Vazer
*
Kit
15-45691A1
*
Kit
15-31535A1
*
Kit
15-47397A1
.055
15-71013
Part #
Size
O.E. #
➁
S/N #2187468 & Below use 18-2293
➂
S/N #4433200 & UP Only
➃
S/N #4530702 & UP Only
➄
Kit
➅
For Counter Rotation Only
SHIM KIT APPLICATION
I/O—MERCRUISER-DriveSystem