Sierra Marine Parts Catalog
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I/O—MERCRUISER-DriveSystem
SEAL & BEARING KIT
Replaces: 31-803090T1
For: MR/Alpha Drive
— CONTAINS —
Part #
Description
O.E. #
Qty.
Lower Gear Housing Seal Kit
26-33144A2
1
Ball Bearing
30-88957A1
1
Pinion Bearing
31-42647A1
1
Tapered Roller Bearing
31-36387A1
1
Pinion Nut
11-35921
1
Tab Washer
14-79447
1
Tab Washer
14-18323
1
Needle Roller Bearing
31-30956
1
Tapered Roller Bearing
31-35928A1
1
Shim Kit
15-47397A1
1
Needle Roller Bearing
31-30895
1
Washer
12-982721
1
Shim Kit
2470
1
UPPER UNIT SEAL KIT
Replaces: 26-32511A1
S/N 1684188 & UP
For #1 Units (Including ALPHA) (Also fts 888 Stern drive)
S/N 3106717 & UP
LOWER UNIT SEAL KIT
Replaces: 26-33144A2
S/N 1684188 & UP
For #1 Units (Including ALPHA)
UPPER UNIT SEAL KIT
Replaces: 26-88397A1
ALPHA I GENERATION II
LOWER UNIT SEAL KIT
Replaces: 26-76868A2
Bravo I and II MODELS ONLY
— CONTAINS —
Part #
Description
O.E. #
Qty.
Gear Hsg. Drain Screw Gasket
12-19183
2
Water Pocket Cover Gasket
27-55810
1
Oil Seal
26-68493
1
Oil Seal
26-32511
1
Oil Seal
26-96503
1
Seal Ring Gasket
26-45577
1
Bushing
26-38970
1
O-Ring
25-25439
2
O-Ring
25-32546
1
O-Ring
25-70937
1
O-Ring
25-55801
1
— CONTAINS —
Part #
Description
O.E. #
Qty.
Water Pump to Gear Hsg. Gasket
27-42631-1
1
Grommet
26-38970
1
Oil Seal
26-76868
1
Oil Seal
26-16977
2
Oil Seal
26-89238
1
Water Pump Base to Gear Hsg. Gasket
27-85610-1
1
Lower Water Pump to Wear Plate Gasket 27-85608-1
1
Upper Water Pump to Wear Plate Gasket 27-85609-1
1
Seal Ring Gasket
26-45577
1
Gear Housing Plastic Flush Screw Gasket 12-49221-1
1
O-Ring
25-30613
1
O-Ring
25-31534
1
O-Ring
25-33145
1
O-Ring
25-90011
1
—
O-Ring
25-38099
1
Bushing, Shift Shaft
23-30617A2
1
Line Cutter Oil Seal
26-12224
1
O-Ring
25-30271
1
Gear Housing Drain Screw Gasket12-20260, 12-19183
2
— CONTAINS —
Part #
Desc.
O.E. #
Qty.
Seal Gasket
26-45577 1
1
Drain Screw Gasket
12-19183 3
1
Drain Screw O-Ring
26-805726
1
O-Ring
25-70937
1
O-Ring
25-32546
1
O-Ring
25-25439
2
O-Ring
25-29845
2
O-Ring
25-35027
1
Oil Seal
26-66302
2
Oil Seal
26-823894
1
NSS
Water Tube Seal
26-88397
1
Double Lip Seal
26-864319
1
Spring Kit
24-17997A1
1
— CONTAINS —
Part #
Description
O.E. #
Qty.
Seal Gasket
26-45577
1
Gear Housing Drain Screw Gasket
12-19183
1
O-Ring
25-33465
1
O-Ring
25-31534
1
Oil Seal
26-76868
2
Seal
26-36556
1
SEAL KIT APPLICATION BEGINS ON NEXT PAGE