MERCRUISER
Drive System
UPPER GEARCASE
SEAL KIT
For: TR & TRS Drives
Bearing
Bearing
Upper
Lower
Lower
U-Joint
Sterndrive
Carrier
Carrier
Unit
Unit Seal
Unit
Carrier
Model
Years
S/N
O-Ring
Seals
Seal Kit
& Brg. Kit
Seal Kit
Seal
60/80/90
1965-72
1830753 - 3225967
18-7160
N/A
N/A
N/A
N/A
I
1963
1534570 - 1684187
18-7157
N/A
IA,IB,IC & EZ Shift
1964-66
1684188 - 2065189
18-7157
N/A
120/140
1967-69
2062141 - 6225576
18-7157
N/A
470/485
1976-82
4208730 - 6225576
18-7157
N/A
160/165
1967-77
2065190 - UP
18-7157
N/A
888
1971-77
3106717 - UP
18-7157
N/A
225/233
1974-77
3856268 - UP
18-7157
N/A
898/228/250/260
1977-82
4782330 - 4898729
18-7157
N/A
R
1983
6225577 - UP
18-7157
MR / Alpha One
1984-90
6225577 - UP
18-7157
(1)
MR / Alpha One
1984-90
6225577 - UP
18-7157
MR / Alpha One (CR)
1984-90
6225577 - UP
18-7157
--
Alpha One SS
1986-89
A545004 - UP
18-7157
--
(1)
Alpha One SS
1986-89
A545004 - UP
18-7157
--
Alpha One Gen II
1991-95
D469859 - F679999
18-7157
Alpha One Gen II (CR)
1991-95
D469859 - F679999
18-7157
--
Alpha One Gen II
1996-97
F680000 - K999999
18-7157
--
Alpha One Gen II (CR)
1996-newer
F680000 - UP
18-7157
--
Alpha One Gen II
1998-newer
L100040 - UP
18-7157
--
Bravo I
1988-newer
B664190 - UP
18-7157
--
--
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
18-7157
--
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
18-7157
--
N/A
--
(1) LineCutterSeal
EXHAUST
EXHAUST
EXHAUST
PROTECTOR VALVE
PROTECTOR VALVE
PROTECTOR VALVE
Replaces: 12644A1
Replaces: 34765A1, 34765A2
(Fits both 5" & 6" Exhaust)
INCLUDES STAINLESS STEEL CLAMP
INCLUDES STAINLESS STEEL CLAMP
INCLUDES STAINLESS STEEL CLAMP
4"
3"
(2) Items ending in "D" are Display Packaged - Regular number is Non-Display
716
