Sierra Marine Parts Catalog: Exhaust Protector Valves
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I/O—MERCRUISER-DriveSystem
EXHAUST
PROTECTOR VALVE
(Fits both 5" & 6" Exhaust)
INCLUDES STAINLESS STEEL CLAMP
EXHAUST
PROTECTOR VALVE
Replaces: 34765A1, 34765A2
INCLUDES STAINLESS STEEL CLAMP
3"
EXHAUST
PROTECTOR VALVE
Replaces: 12644A1
INCLUDES STAINLESS STEEL CLAMP
4"
60/80/90
1965-72
1830753 - 3225967
18-2011/18-2015
N/A
N/A
N/A
N/A
I
1963
1534570 - 1684187
N/A
IA,IB,IC & EZ Shift
1964-66
1684188 - 2065189
N/A
120/140
1967-69
2062141 - 6225576
N/A
470/485
1976-82
4208730 - 6225576
N/A
160/165
1967-77
2065190 - UP
N/A
888
1971-77
3106717 - UP
N/A
225/233
1974-77
3856268 - UP
N/A
898/228/250/260
1977-82
4782330 - 4898729
N/A
R
1983
6225577 - UP
MR / Alpha One
1984-90
6225577 - UP
➀
MR / Alpha One
1984-90
6225577 - UP
18-2077/18-2076
MR / Alpha One (CR)
1984-90
6225577 - UP
18-2077/18-2076
—
Alpha One SS
1986-89
A545004 - UP
➀
—
Alpha One SS
1986-89
A545004 - UP
18-2077/18-2076
—
Alpha One Gen II
1991-95
D469859 - F679999
18-2077/18-2076
—
Alpha One Gen II (CR)
1991-95
D469859 - F679999
18-2077/18-2076
—
Alpha One Gen II
1996-97
F680000 - K999999
18-2077/18-2076
—
Alpha One Gen II (CR)
1996-newer
F680000 - UP
18-2077/18-2076
—
Alpha One Gen II
1998-newer
L100040 - UP
18-2077/18-2076
—
Bravo I
1988-newer
B664190 - UP
—
—
Bravo II
1988-newer
B664190 - UP
18-7453
18-0536
—
—
Bravo III
1988-newer
B664190 - UP
18-7447
—
—
—
Blackhawk
1994-95
F186717 - UP
18-7451
—
—
N/A
—
II
1962-69
1474909 - 2671321
—
N/A
—
N/A
—
III
1968-72
2373127 - 3002613
—
—
N/A
—
N/A
—
215E/H
1970-72
2909035 - 2915034
18-7453
18-0536
N/A
—
N/A
—
TR
1973-93
3377316 - UP
18-7453
—
—
N/A
—
TRS
1973-93
3377316 - UP
—
N/A
—
Sterndrive
Bearing Carrier
Bearing
Upper Unit
Lower Unit Seal
Lower Unit
U-Joint
Model
Years
S/N
O-Ring
Carrier Seals
Seal Kit
& Brg. Kit
Seal Kit
Carrier Seal
➀
Line Cutter Seal
➁
➁
Items ending in "D" are Display Packaged - Regular number is Non-Display
➁
➁
UPPER GEARCASE
SEAL KIT
For: TR & TRS Drives
COMPLETE LOWER GEAR CASE REBUILD KIT
Includes Water Pump and Complete Seal Kit
For Mercruiser R/MR/ALPHA 1
— CONTAINS —
Part #
Description
O.E. #
Qty.
Shift Shft Rubber Washer
12-31266
1
Oil Seal
26-12224
1
O-Ring
25-31534
1
Oil Seal
26-76868
1
Water Tube
23-29804
1
Shift Bushing
23-30617A2
1
Housing
46-96148A1
1
Impeller
47-89984
1
Water Pump Gasket
27-85608-1
1
O-Ring
25-30613
1
O-Ring
25-90011
1
Seal Ring Gasket
26-45577
1
O-Ring
25-30224
1
Water Pump Base to Gear
Housing Gasket
27-85610-1
1
Water Pump Gasket
27-85609-1
1
Plate
32435
1
O-Ring
25-33145
1
Water Pump Gasket
27-42631-1
1
Water Pump Gasket
27-32438
1
O-Ring
35-30271
1
Drain Gasket
26-20260, 12-19183
2
Grommet
26-38970
1
Seal
26-16977
1
Seal
26-89238
1