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Parts for Mercury Mark & Kiekhaefer Mark 55, 55E Gear Housing & Drive Shaft

#- 1603-930A 4 GEAR HOUSING ASSEMBLY, COMPLETE (14 SPLINE SHAFT) (1,1,,,,,, required per assembly) SERIAL 8)834111-00835824
1603-930A 4 - GEAR HOUSING ASSY O NLA
 

About Mercury Marine

OEM Part

1603-930A 4 - GEAR HOUSING ASSY O NLA [ More info ]
Unavailable
#- 1603-930A 6 GEAR HOUSING ASSEMBLY, COMPLETE (14 SPLINE SHAFT) (1,1,,,,,, required per assembly) SERIAL 00000(8)-00834110
1603-930A 6 - GEAR HOUSING ASSY O NLA
 

About Mercury Marine

OEM Part

1603-930A 6 - GEAR HOUSING ASSY O NLA [ More info ]
Unavailable
#- 1603-1568A 8 GEAR HOUSING ASSEMBLY, COMPLETE (11 SPLINE SHAFT) (1,1,1,1,1, required per assembly) SERIAL (9)85793-09999999
1603-1568A 8 - GEAR HOUSING ASSY O - Replaced by 1603-1868A 2
 

This part has been superseded.

1603-1568A 8 - 1603-1568A 8 - GEAR HOUSING ASSY O [ More info ]
Unavailable
Replaced by 1603-1868A 2
1603-1868A 2 - GEAR HOUSING ASSY O NLA
 

About Mercury Marine

OEM Part

1603-1868A 2 - GEAR HOUSING ASSY O NLA [ More info ]
Unavailable
#1 1603-1568A 3 GEAR HOUSING ASSEMBLY (1,1,1,1,1, required per assembly)
1603-1568A 3 - GEAR HOUSING ASSY O - Replaced by 1603-1868A 4
 

This part has been superseded.

1603-1568A 3 - 1603-1568A 3 - GEAR HOUSING ASSY O [ More info ]
Unavailable
Replaced by 1603-1868A 4
1603-1868A 4 - GEAR HOUSING ASSY O NLA
 

About Mercury Marine

OEM Part

1603-1868A 4 - GEAR HOUSING ASSY O NLA [ More info ]
Unavailable
#2 26-20232 SEAL, WATER TUBE (3,3,3,3,3, required per assembly)
26-20232 - SEAL @5           O NLA
26-20232

About Mercury Marine

OEM Part

26-20232 - SEAL @5 O NLA [ More info ]
Unavailable
#3 16-23071 STUD, GEAR HOUSING TO DRIVE SHAFT HOUSING (2,2,2,2,2, required per assembly)
STUD,NLA 16-23071
 

About Mercury Marine

OEM Part

16-23071 - Stud, NLA [ More info ]

Add to shopping cart $5.50
4 in stock. Explain stock levels

#4 31-20231 BEARING, ROLLER - DRIV SHAFT (1,1,1,1,1, required per assembly)
31-20231 - ROLLER BEARING    O - Replaced by 31-62091
 

This part has been superseded.

31-20231 - 31-20231 - ROLLER BEARING O [ More info ]
Unavailable
Replaced by 31-62091
31-62091 - BEARING Roller    O - Replaced by 31-62091T
31-62091

This part has been superseded.

31-62091 - 31-62091 - BEARING Roller O [ More info ]
Unavailable
Replaced by 31-62091T
BEARING 31-62091T
31-62091T

About Mercury Marine

OEM Part

31-62091T - Bearing [ More info ]

Add to shopping cart $51.58
Available to order: Usually ships within 8 days. Explain stock levels

#- 35-23654 SCREEN, WATER INTAKE (1,1,1,1,1, required per assembly)
SCREEN,NLA 35-23654
 

About Mercury Marine

OEM Part

35-23654 - Screen, NLA [ More info ]

Add to shopping cart $9.00
10+ in stock. Explain stock levels

#- 32-23652 TUBE, WATER INLET - LOWER (1,1,1,1,1, required per assembly)
TUBE,NLA 32-23652
32-23652

About Mercury Marine

OEM Part

32-23652 - Tube, NLA [ More info ]

Add to shopping cart $10.00
10+ in stock. Explain stock levels

#- 23-23651 SLEEVE, WATER INLET TUBE (1,1,1,1,1, required per assembly)
SLEEVE (1.625) 23-23651
 

About Mercury Marine

OEM Part

23-23651 - Sleeve [ More info ]

Add to shopping cart $3.48
Available to order: Usually ships within 8 days. Explain stock levels

#5 15-20929A 1 SHIM, BEARING TO DRIVE SHAFT (AR,AR,AR,A required per assembly)
SHIM SET ,NLA 15-20929A 1
15-20929A 1

About Mercury Marine

OEM Part

15-20929A 1 - Shim Set, NLA [ More info ]

Add to shopping cart $10.00
10+ in stock. Explain stock levels

#6 30-20861 BEARING, BALL - DRIVE SHAFT (1,1,1,1,1, required per assembly)
30-20861 - BALL BEARING@2    O - Replaced by 30-72961
 

This part has been superseded.

30-20861 - 30-20861 - BALL [email protected] O [ More info ]
Unavailable
Replaced by 30-72961
BEARING-BALL 30-72961
30-72961

About Mercury Marine

OEM Part

30-72961 - Ball Bearing [ More info ]

Add to shopping cart $22.00 $18.84
2 in stock. Explain stock levels

Bearing Ball
18-1398

About Sierra Marine

OEM Match

18-1398 - Bearing, 30-72961 [ More info ]

Add to shopping cart $16.84
1 in stock. Explain stock levels

#7 25-20266 "O" RING, WATER PUMP CARTRIDGE (1,1,1,1,1, required per assembly)
25-20266 - O RING @3         O - Replaced by 25-26722
25-20266

This part has been superseded.

25-20266 - 25-20266 - O RING @3 O [ More info ]
Unavailable
Replaced by 25-26722
O RING 25-26722
25-26722

About Mercury Marine

OEM Part

25-26722 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $2.00
Available to order: Usually ships within 8 days. Explain stock levels

O-Ring
18-7115

About Sierra Marine

OEM Match

18-7115 - O-Ring 25-26722 [ More info ]

Add to shopping cart $2.62 $1.36
4 in stock. Explain stock levels

#8 46-25815A 1 WATER PUMP CARTRIDGE ASSEMBLY (SEE NOTE BELOW) (1,1,1,1,1, required per assembly)
46-25815A 1 - HOUSING ASSY      O - Replaced by 46-28092A 1
 

This part has been superseded.

46-25815A 1 - 46-25815A 1 - HOUSING ASSY O [ More info ]
Unavailable
Replaced by 46-28092A 1
46-28092A 1 - HOUSING ASSY      O - Replaced by 46-29117A 1
 

This part has been superseded.

46-28092A 1 - 46-28092A 1 - HOUSING ASSY O [ More info ]
Unavailable
Replaced by 46-29117A 1
46-29117A 1 - CARTRIDGE ASSY    O NLA
 

About Mercury Marine

OEM Part

46-29117A 1 - CARTRIDGE ASSY O NLA [ More info ]
Unavailable
#9 26-23517 OIL SEAL (1,1,1,1,1, required per assembly)
SEAL,NLA 26-23517
26-23517

About Mercury Marine

OEM Part

26-23517 - Seal, NLA [ More info ]

Add to shopping cart $10.00
1 in stock. Explain stock levels

Oil Seal
18-2015

About Sierra Marine

OEM Match

18-2015 - Seal 26-23517 [ More info ]

Add to shopping cart $21.69 $14.54
10+ in stock. Explain stock levels

#- 28091 INSERT, WATER PUMP CARTRIDGE (1,1,1,1,1, required per assembly)
28091 - INSERT            O NLA
28091

About Mercury Marine

OEM Part

28091 - INSERT O NLA [ More info ]
Unavailable
#8 46-29117A 1 WATER PUMP CARTRIDGE ASSEMBLY (1,1,1,1,1, required per assembly)
#9 26-23300 OIL SEAL (SPRING LOADED) (1,1,1,1,1, required per assembly)
26-23300 - SEAL Oil          O - Replaced by 26-90562
 

This part has been superseded.

26-23300 - 26-23300 - SEAL Oil O [ More info ]
Unavailable
Replaced by 26-90562
SEAL 26-90562
26-90562

About Mercury Marine

OEM Part

26-90562 - Seal - Priced Individually [ More info ]

Add to shopping cart $16.90 $14.47
4 in stock. Explain stock levels

Oil Seal
18-2011

About Sierra Marine

OEM Match

18-2011 - Seal 26-90562 [ More info ]

Add to shopping cart $15.21 $10.15
3 in stock. Explain stock levels

#10 28-28657 KEY, WATER PUMP CARTRIDGE (1,1,1,1,1, required per assembly)
KEY,NLA 28-28657
 

About Mercury Marine

OEM Part

28-28657 - Key, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#11 47-20268 IMPELLER, WATER PUMP (1,1,1,1,1, required per assembly)
47-20268 - IMPELLER @2       O - Replaced by 47-65959
 

This part has been superseded.

47-20268 - 47-20268 - IMPELLER @2 O [ More info ]
Unavailable
Replaced by 47-65959
47-65959 - IMPELLER @4       O - Replaced by 47-89983
 

This part has been superseded.

47-65959 - 47-65959 - IMPELLER @4 O [ More info ]
Unavailable
Replaced by 47-89983
47-89983 - IMPELLER          O - Replaced by 47-89983T
47-89983

This part has been superseded.

47-89983 - 47-89983 - IMPELLER O [ More info ]
Unavailable
Replaced by 47-89983T
IMPELLER 47-89983T
47-89983T

About Mercury Marine

OEM Part

47-89983T - Impeller [ More info ]

Add to shopping cart $20.92
10+ in stock. Explain stock levels

IMPELLER
18-3007

About Sierra Marine

OEM Match

18-3007 - Impeller 47-89983 [ More info ]

Add to shopping cart $18.49 $12.68
10+ in stock. Explain stock levels

#12 17-23733 PIN, IMPELLER DRIVE (1,1,1,1,1, required per assembly)
2856662 17-23733
 

About Mercury Marine

OEM Part

17-23733 - Drive Pin - Priced Individually [ More info ]

Add to shopping cart $3.00
10 in stock. Explain stock levels

28-56662 - KEY               O - Replaced by 28-8M0032837
28-56662

This part has been superseded.

28-56662 - 28-56662 - KEY O [ More info ]
Unavailable
Replaced by 28-8M0032837
KEY 28-8M0032837
28-8M0032837

About Mercury Marine

OEM Part

28-8M0032837 - Key - Priced Individually [ More info ]

Add to shopping cart $4.30
10+ in stock. Explain stock levels

#13 20272 PLATE, OUTLET - WATER PUMP COVER (1,1,1,1,1, required per assembly)
PLATE,NLA 20272
20272

About Mercury Marine

OEM Part

20272 - Water Pump Cover Plate [ More info ]

Add to shopping cart $7.50
4 in stock. Explain stock levels

#14 20270A 2 WATER PUMP COVER ASSEMBLY (1,1,1,1,1, required per assembly)
COVER ASSY 20270A 2
20270A 2

About Mercury Marine

OEM Part

20270A 2 - Cover Assembly [ More info ]

Add to shopping cart $51.92
4 in stock. Explain stock levels

#16 25-20273 RING, RUBBER - CENTRIFUGAL SLINGER (1,1,1,1,1, required per assembly)
O RING 25-20273
25-20273

About Mercury Marine

OEM Part

25-20273 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.10
10+ in stock. Explain stock levels

#17 45-29617A 1 DRIVE SHAFT (1,1,1,1,1, required per assembly)
DRIVE SHAFT,NLA 45-29617A 1
 

About Mercury Marine

OEM Part

45-29617A 1 - Drive Shaft, NLA [ More info ]

Add to shopping cart $325.00
1 in stock. Explain stock levels

#18 23-20859A 1 BUSHING ASSEMBLY, SHIFT SHAFT (1,1,,,,,, required per assembly) SERIAL 00000(8)-00856522
23-20859A 1 - BUSHING ASSY      O NLA
 

About Mercury Marine

OEM Part

23-20859A 1 - BUSHING ASSY O NLA [ More info ]
Unavailable
#18 23-28374A 1 BUSHING ASSEMBLY, SHIFT SHAFT (1,1,1,1,1, required per assembly)
23-28374A 1 - BUSHING ASSY      O - Replaced by 23-38993A 2
 

This part has been superseded.

23-28374A 1 - 23-28374A 1 - BUSHING ASSY O [ More info ]
Unavailable
Replaced by 23-38993A 2
23-38993A 2 - BUSHING ASSY      O - Replaced by 23-46284A 1
 

This part has been superseded.

23-38993A 2 - 23-38993A 2 - BUSHING ASSY O [ More info ]
Unavailable
Replaced by 23-46284A 1
BUSHING ASSY 23-46284A 1
23-46284A 1

About Mercury Marine

OEM Part

23-46284A 1 - Bushing Assembly, NLA [ More info ]

Add to shopping cart $62.50
10+ in stock. Explain stock levels

#19 26-20236 OIL SEAL (1,1,1,1,1, required per assembly)
26-20236 - OIL SEAL @5       O NLA
 

About Mercury Marine

OEM Part

26-20236 - OIL SEAL @5 O NLA [ More info ]
Unavailable
#-- 25-25439 "O" RING, SHIFT SHAFT BUSHING (1,1,1,1,1, required per assembly)
O RING 25-25439
25-25439

About Mercury Marine

OEM Part

25-25439 - O-Ring - Priced Individually [ More info ]

Add to shopping cart $1.50
6 in stock. Explain stock levels

O-Ring
18-7420

About Sierra Marine

OEM Match

18-7420-9 - O-Ring (PK5) 25-21836 [ More info ]

Add to shopping cart $10.80 $4.59
5 in stock. Explain stock levels

#20 20953 #SHAFT, SHIFT - LOWER (1,1,,,,,, required per assembly) SERIAL 00000(8)-00834110
SHAFT,NLA 20953
 

About Mercury Marine

OEM Part

20953 - Shaft, NLA [ More info ]

Add to shopping cart $7.00
1 in stock. Explain stock levels

#20 25136 SHAFT, SHIFT - LOWER (1,1,1,1,1, required per assembly)
SHAFT,NLA 25136
 

About Mercury Marine

OEM Part

25136 - Shaft, NLA [ More info ]

Add to shopping cart $155.00
3 in stock. Explain stock levels

#-- 18-20233 CLIP, RETAINING - SHIFT SHAFT (1,1,1,1,1, required per assembly)
5329641 18-20233
18-20233

About Mercury Marine

OEM Part

18-20233 - Pin, Hair-Ext, Priced Individually [ More info ]

Add to shopping cart $0.90
10+ in stock. Explain stock levels

E RING 53-29641
53-29641

About Mercury Marine

OEM Part

53-29641 - E Ring - Priced Individually [ More info ]

Add to shopping cart $1.40
4 in stock. Explain stock levels

Spring Clip
18-4295

About Sierra Marine

OEM Match

18-4295-9 - Clip, 53-29461, 2PK [ More info ]

Add to shopping cart $3.12 $1.86
10+ in stock. Explain stock levels

#21 24895 #COUPLING, SHIFT SHAFT (1,1,,,,,, required per assembly) SERIAL 00000(8)-00834110
24895 - COUPLING          O NLA
 

About Mercury Marine

OEM Part

24895 - COUPLING O NLA [ More info ]
Unavailable
#-- 25138 CAM, LOWER REVERSE LOCKING (1,1,1,1,1, required per assembly)
25138 - CAM               O - Replaced by -52918
 

This part has been superseded.

25138 - 25138 - CAM O [ More info ]
Unavailable
Replaced by -52918
CAM,NLA 52918
52918

About Mercury Marine

OEM Part

52918 - Reverse Locking Lower Cam, NLA [ More info ]

Add to shopping cart $30.00
10+ in stock. Explain stock levels

#-- 29823 CAM, UPPER REVERSE LOCKING (1,1,1,1,1, required per assembly)
29823 - CAM               O - Replaced by -52919
 

This part has been superseded.

29823 - 29823 - CAM O [ More info ]
Unavailable
Replaced by -52919
CAM,NLA 52919
52919

About Mercury Marine

OEM Part

52919 - Reverse Locking Upper Cam, NLA [ More info ]

Add to shopping cart $36.00
10+ in stock. Explain stock levels

#22 43-20834 GEAR, PINION (1,1,1,1,1, required per assembly)
PINION GEAR,NLA 43-20834
43-20834

About Mercury Marine

OEM Part

43-20834 - Pinion Gear [ More info ]

Add to shopping cart $100.00
10+ in stock. Explain stock levels

#23 14-20871 TAB WASHER, PINION GEAR SCREW (1,1,1,1,1, required per assembly)
TAB WASHER,NLA 14-20871
 

About Mercury Marine

OEM Part

14-20871 - Tab Washer, NLA [ More info ]

Add to shopping cart $3.00
10+ in stock. Explain stock levels

#24 10-20925 SCREW, PINION GEAR RETAINING (1,1,1,1,1, required per assembly)
SCREW,NLA 10-20925
 

About Mercury Marine

OEM Part

10-20925 - Screw, NLA [ More info ]

Add to shopping cart $5.50
10+ in stock. Explain stock levels

#25 12-20260 WASHER, GREASE FILLER AND FLUSHING HOLE SCREW (2,2,2,2,,, required per assembly)
12-20260 - WASHER            O - Replaced by 12-19183
12-20260

This part has been superseded.

12-20260 - 12-20260 - WASHER O [ More info ]
Unavailable
Replaced by 12-19183
12-19183 - WASHER Fiber      O - Replaced by 12-19183  2
12-19183

This part has been superseded.

12-19183 - 12-19183 - WASHER Fiber O [ More info ]
Unavailable
Replaced by 12-19183 2
12-19183  2 - WASHER            O - Replaced by 12-19183  3
12-19183  2

This part has been superseded.

12-19183 2 - 12-19183 2 - WASHER O [ More info ]
Unavailable
Replaced by 12-19183 3
SEAL-BLUE 12-19183  3
12-19183  3

About Mercury Marine

OEM Part

12-19183 3 - Seal -Blue - Priced Individually [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

DRAIN GASKET
18-2945

About Sierra Marine

OEM Match

18-2945-9 - Gasket 12-19183 2-Pack [ More info ]

Add to shopping cart $2.78 $1.53
10+ in stock. Explain stock levels

SEAL (4)   12 19183Q02
12 19183Q02

About Mercury Marine

OEM Part

12-19183Q02 - Seals, Pack of 4 (yes this is actually a pack of 4) [ More info ]

Add to shopping cart $5.20
5 in stock. Explain stock levels

SEAL (4)   12 19183K02
12 19183K02

About Mercury Marine

OEM Part

12-19183K02 - Seal, Pack of 4 [ More info ]

Add to shopping cart $5.20
10+ in stock. Explain stock levels

#26 10-28634 SCREW, GREASE FILLER AND FLUSHING HOLE SCREW (2,2,2,2,,, required per assembly)
10-28634 - SCREW (.375-16)   O - Replaced by 10-79953
10-28634

This part has been superseded.

10-28634 - 10-28634 - SCREW (.375-16) O [ More info ]
Unavailable
Replaced by 10-79953
10-79953 - SCREW (.375-16 x  O - Replaced by 10-79953A 2
10-79953

This part has been superseded.

10-79953 - 10-79953 - SCREW (.375-16 x O [ More info ]
Unavailable
Replaced by 10-79953A 2
1079953Q2 10-79953A 2
10-79953A 2

About Mercury Marine

OEM Part

10-79953A 2 - Drain Screw Kit [ More info ]

Add to shopping cart $3.50
10+ in stock. Explain stock levels

10-79953Q 2 - SCREW KIT (.375-1 O - Replaced by 10-79953Q04
10-79953Q 2

This part has been superseded.

10-79953Q 2 - 10-79953Q 2 - SCREW KIT (.375-1 O [ More info ]
Unavailable
Replaced by 10-79953Q04
SCREW-DRAIN 10-79953Q04
10-79953Q04

About Mercury Marine

OEM Part

10-79953Q04 - Screw Kit - Priced Individually [ More info ]

Add to shopping cart $5.90
10+ in stock. Explain stock levels

DRAIN PLUG
18-2244

About Sierra Marine

OEM Match

18-2244 - Plug Kit, 10-79953A2 [ More info ]

Add to shopping cart $3.24 $2.19
10+ in stock. Explain stock levels

SCREW-DRAIN   10 79953K04
10 79953K04

About Mercury Marine

OEM Part

10-79953K04 - Drain Screw - Priced Individually [ More info ]

Add to shopping cart $5.90
4 in stock. Explain stock levels

#27 12-20262 WASHER, GEAR HOUSING VENT SCREW (1,1,1,1,1, required per assembly)
19643 12-20262
 

About Mercury Marine

OEM Part

12-20262 - Washer, Priced Individually [ More info ]

Add to shopping cart $1.00
9 in stock. Explain stock levels

SEAL 19643
19643

About Mercury Marine

OEM Part

19643 - Seal - Priced Individually [ More info ]

Add to shopping cart $1.00
10+ in stock. Explain stock levels

Washer
18-4261

About Sierra Marine

OEM Match

18-4261 - Washer, 19643 - Special Order - No Returns [ More info ]

Add to shopping cart $12.25
In stock - special order item. Explain stock levels

#28 10-28653 SCREW, GEAR HOUSING VENT (1,1,1,1,1, required per assembly)
SCREW 10-28653
10-28653

About Mercury Marine

OEM Part

10-28653 - Screw - Priced Individually [ More info ]

Add to shopping cart $2.90
10+ in stock. Explain stock levels