Logo

Sierra Marine Parts Catalog: Mercruiser

img
< Previous Page  Next Page >
18-2401
LOWER GEAR HOUSING
18-2358
Replaces: 1623-8951A27,
UPPER UNIT
1623-8951A37
GEAR REPAIR KIT
For: MR/ALPHA Style
Replaces: 43-803102T1
Bore size 3.2635-3.2650. Includes tapered roller bearing for non-tractor 14/28
or 17/28 gears. When installing new gears use 18-2206-1 gear kit which includes
For: 20-22 Teeth: 1.50:1 (1.47:1)
tapered roller bearing 18-1156 for tractor 13/21 gears.
Gen II applications serial number range up to OK999999 only
18-2363
18-2364
UPPER UNIT
UPPER UNIT
GEAR REPAIR KIT
GEAR REPAIR KIT
Replaces: 43-803118T1
Replaces: 43-803119T1
For: 20-24 Teeth: 1.98:1 (1.94/2.40:1)
For: 24-24 Teeth: 1.65:1 (1.62:1)
Gen II applications serial number range up to OK999999 only
Gen II applications serial number range up to OK999999 only
18-6350K
18-2365
UPPER UNIT
UPPER UNIT
GEAR REPAIR KIT
GEAR REPAIR KIT
Replaces: 43-803104T1
Replaces: 43-803120T1
For: Gen II (1998 & Up)(S/N OL100040 & Up)
For: 17-19 Teeth: 1.84:1 (1.81:1)
Gen II applications serial number range up to OK999999 only
1.62:1 and 2.00:1 Ratio
18-6351K
18-6352K
UPPER UNIT
UPPER UNIT
GEAR REPAIR KIT
GEAR REPAIR KIT
Replaces: 43-803103T1
Replaces: 43-803106T1
For: Gen II (1998 & Up)(S/N OL100040 & Up)
For: Gen II (1998 & Up)(S/N OL100040 & Up)
1.47:1 Ratio
1.94:1 and 2.40:1 Ratio
18-2201
UPPER UNIT GEAR SET
Replaces: 43-18410A2,
43-18411A2
Includes: (1) 18-1142
Mercruiser #31-32573A1
18-6353K
(1.5:1 Ratio)
UPPER UNIT
(Drive Gear = 22 teeth Driven Gear = 20 teeth)
GEAR REPAIR KIT
For most V-8 Drives and Gen II (S/N K999999 & BELOW)
Replaces: 43-803105T1
Stern Drive Model
Beg. S/N
End. S/N
Stern Drive Model
Beg. S/N End. S/N
225
3856268
4200499
888
3106717
& UP
For: Gen II (1998 & Up)(S/N OL100040 & Up)
710
260
4898730
6225576
V8R/MR/AlphaOne
6225577
& UP
1.81:1 Ratio
898/228
4782330
6225576