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Parts for Mercury Mark & Kiekhaefer Mark 50, 50E Gear Housing & Drive Shaft

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#- 1603-93A 2 GEAR HOUSING ASSEMBLY,COMPLETE (1,1 required per assembly)
GEAR HOUSING ASSY O NLA  
1603-93A 2 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#- 1603-93A 3 GEAR HOUSING ASSEMBLY (1,1 required per assembly)
GEAR HOUSING ASSY O NLA  
1603-93A 3 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#1 N.S.S. HOUSING,GEAR (1,1 required per assembly)
#2 31-20231 BEARING,ROLLER-DRIVE SHAFT (1,1 required per assembly)
ROLLER BEARING    O - Replaced by 31-62091  
31-20231This part has been superseded. ROLLER BEARING O - Replaced by 31-62091
(more info)
    UnavailableUnavailable Parts
BEARING           O - Replaced by 31-62091T 31-62091
31-62091This part has been superseded. BEARING O - Replaced by 31-62091T
(more info)
    UnavailableUnavailable Parts
BEARING 31-62091T 31-62091T
31-62091TOEM Part 31-62091T - Bearing (more info) About Mercury Marine $47.50 $47.50 Add to shopping cart
1 in stock. Explain stock levels
#3 16-23571 STUD,GEAR HOUSING TO DRIVE SHAFT HOUSING (2,2 required per assembly)
STUD              O NLA  
16-23571 STUD O NLA
(more info)
    UnavailableUnavailable Parts
#4 35-20337 SCREEN,WATER INTAKE (2,2 required per assembly)
SCREEN            O NLA  
35-20337 SCREEN O NLA
(more info)
    UnavailableUnavailable Parts
#5 10-20314 DRIVE SCREW,WATER INTAKE SCREEN (4,4 required per assembly)
SCREW             O NLA  
10-20314 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#6 20953 SHAFT,SHIFT-LOWER SECTION (1,1 required per assembly)
SHAFT,NLA 20953  
20953OEM Part 20953 - Shaft, NLA (more info) About Mercury Marine $7.00 $7.00 Add to shopping cart
1 in stock. Explain stock levels
#7 18-20233 CLIP,RETAINING-SHIFT SHAFT (1,1 required per assembly)
5329641 18-20233 18-20233
18-20233OEM Part 18-20233 - Pin, Hair-Ext, Priced Individually (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
2 in stock. Explain stock levels
E RING Note: must be ordered in multiples of 2 53-29641 53-29641
53-29641OEM Part 53-29641 - E Ring - Priced Individually (more info) About Mercury Marine $1.30 $1.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
Spring Clip 18-4295-9
18-4295-9OEM Match 18-4295-9 - Clip, 53-29461, 2PK (more info) About Sierra Marine $2.98 $1.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#- 23-20859A 1 BUSHING ASSEMBLY,SHIFT SHAFT (1,1 required per assembly)
BUSHING ASSY      O NLA  
23-20859A 1 BUSHING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#9 26-20236 OIL SEAL,SHIFT SHAFT BUSHING (1,1 required per assembly)
OIL SEAL @5       O NLA  
26-20236 OIL SEAL @5 O NLA
(more info)
    UnavailableUnavailable Parts
#10 20309 COUPLING,SHIFT SHAFT (1,1 required per assembly)
COUPLING          O NLA  
20309 COUPLING O NLA
(more info)
    UnavailableUnavailable Parts
#11 45-20836 DRIVE SHAFT (1,1 required per assembly)
DRIVE SHAFT       O - Replaced by 45-29114A 1  
45-20836This part has been superseded. DRIVE SHAFT O - Replaced by 45-29114A 1
(more info)
    UnavailableUnavailable Parts
DRIVE SHAFT ASSY  O - Replaced by 45-29617A 1  
45-29114A 1This part has been superseded. DRIVE SHAFT ASSY O - Replaced by 45-29617A 1
(more info)
    UnavailableUnavailable Parts
DRIVE SHAFT,NLA 45-29617A 1  
45-29617A 1OEM Part 45-29617A 1 - Drive Shaft, NLA (more info) About Mercury Marine $325.00 $325.00 Add to shopping cart
1 in stock. Explain stock levels
#12 30-20861 BEARING,BALL-DRIVE SHAFT (1,1 required per assembly)
BALL BEARING@2    O - Replaced by 30-72961  
30-20861This part has been superseded. BALL [email protected] O - Replaced by 30-72961
(more info)
    UnavailableUnavailable Parts
BEARING Ball 30-72961 30-72961
30-72961OEM Part 30-72961 - Ball Bearing (more info) About Mercury Marine $20.30 $17.39 Add to shopping cart
4 in stock. Explain stock levels
Bearing, Ball 18-1398
18-1398OEM Match 18-1398 - Bearing, 30-72961 (more info) About Sierra Marine $16.99 $15.41 Add to shopping cart
4 in stock. Explain stock levels
#13 15-20929 SHIM,DRIVE SHAFT BEARING TO GEAR HOUSING (.002 .003 .005 .0 (, required per assembly)
#14 25-20266 "0" RING,WATER PUMP CARTRIDGE (1,1 required per assembly)
2526722 25-20266 25-20266
25-20266OEM Part 25-20266 - O-Ring - Priced Individually (more info) About Mercury Marine $1.05 $1.05 Add to shopping cart
4 in stock. Explain stock levels
O-RING 25-26722 25-26722
25-26722OEM Part 25-26722 - O-Ring - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
O-Ring 18-7115
18-7115OEM Match 18-7115 - O-Ring 25-26722 (more info)
Replaces OEM #0302588
About Sierra Marine $2.49 $1.35 Add to shopping cart
2 in stock. Explain stock levels
#-- 46-20263A 2 CARTRIDGE ASSEMBLY,WATER PUMP (1,1 required per assembly)
CARTRIDGE ASSY    O - Replaced by 46-25815A 1  
46-20263A 2This part has been superseded. CARTRIDGE ASSY O - Replaced by 46-25815A 1
(more info)
    UnavailableUnavailable Parts
HOUSING ASSY      O - Replaced by 46-28092A 1  
46-25815A 1This part has been superseded. HOUSING ASSY O - Replaced by 46-28092A 1
(more info)
    UnavailableUnavailable Parts
HOUSING ASSY      O - Replaced by 46-29117A 1  
46-28092A 1This part has been superseded. HOUSING ASSY O - Replaced by 46-29117A 1
(more info)
    UnavailableUnavailable Parts
W/P CARTRIDGE 46-29117A 1  
46-29117A 1OEM Part 46-29117A 1 - W/P CARTRIDGE (more info) About Mercury Marine $70.00 $70.00 Add to shopping cart
2 in stock. Explain stock levels
#15 26-23517 OIL SEAL,WATER PUMP CARTRIDGE (1,1 required per assembly)
SEAL,NLA 26-23517 26-23517
26-23517OEM Part 26-23517 - Seal, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
1 in stock. Explain stock levels
Oil Seal 18-2015
18-2015OEM Match 18-2015 - Seal 26-23517 (more info) About Sierra Marine $19.99 $13.46 Add to shopping cart
1 in stock. Explain stock levels
#17 17-21620 PIN,WATER PUMP CARTRIDGE TO GEAR HOUSING (1,1 required per assembly)
PIN               O - Replaced by 17-29596  
17-21620This part has been superseded. PIN O - Replaced by 17-29596
(more info)
    UnavailableUnavailable Parts
1729596T 17-29596  
17-29596OEM Part 17-29596 - Pin -Dowel - Priced Individually (more info) About Mercury Marine $2.10 $2.10 Add to shopping cart
10+ in stock. Explain stock levels
PIN Dowel 17-29596T  
17-29596TOEM Part 17-29596T - Pin -Dowel - Priced Individually (more info) About Mercury Marine $3.10 $3.10 Add to shopping cart
1 in stock. Explain stock levels
#18 47-20268 IMPELLER,WATER PUMP (1,1 required per assembly)
IMPELLER @2       O - Replaced by 47-65959  
47-20268This part has been superseded. IMPELLER @2 O - Replaced by 47-65959
(more info)
    UnavailableUnavailable Parts
IMPELLER @4       O - Replaced by 47-89983  
47-65959This part has been superseded. IMPELLER @4 O - Replaced by 47-89983
(more info)
    UnavailableUnavailable Parts
IMPELLER          O - Replaced by 47-89983T 47-89983
47-89983This part has been superseded. IMPELLER O - Replaced by 47-89983T
(more info)
    UnavailableUnavailable Parts
IMPELLER 47-89983T 47-89983T
47-89983TOEM Part 47-89983T - Impeller (more info) About Mercury Marine $19.34 $19.34 Add to shopping cart
10+ in stock. Explain stock levels
IMPELLER 18-3007
18-3007OEM Match 18-3007 - Impeller 47-89983 (more info) About Sierra Marine $17.99 $13.02 Add to shopping cart
10+ in stock. Explain stock levels
#19 17-23733 PIN,IMPELLER DRIVE (1,1 required per assembly)
DRIVE PIN @5      O - Replaced by 28-56662  
17-23733This part has been superseded. DRIVE PIN @5 O - Replaced by 28-56662
(more info)
    UnavailableUnavailable Parts
KEY @5            O - Replaced by 28-8M0032837 28-56662
28-56662This part has been superseded. KEY @5 O - Replaced by 28-8M0032837
(more info)
    UnavailableUnavailable Parts
KEY Note: must be ordered in multiples of 5 28-8M0032837 28-8M0032837
28-8M0032837OEM Part 28-8M0032837 - Key - Priced Individually (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#20 20272 PLATE,OUTLET-WATER PUMP COVER (1,1 required per assembly)
PLATE,NLA 20272 20272
20272OEM Part 20272 - Plate (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
10+ in stock. Explain stock levels
#-- 20270A 2 COVER ASSEMBLY,WATER PUMP (1,1 required per assembly)
COVER ASSY 20270A 2 20270A 2
20270A 2OEM Part 20270A 2 - Cover Assembly (more info) About Mercury Marine $47.83 $47.83 Add to shopping cart
5 in stock. Explain stock levels
#22 26-20250 OIL SEAL,WATER PUMP COVER (1,1 required per assembly)
OIL SEAL          O - Replaced by 26-23517  
26-20250This part has been superseded. OIL SEAL O - Replaced by 26-23517
(more info)
    UnavailableUnavailable Parts
#23 25-20273 RING,RUBBER-CENTRIFUGAL SLINGER (1,1 required per assembly)
O-RING 25-20273 25-20273
25-20273OEM Part 25-20273 - O-Ring - Priced Individually (more info) About Mercury Marine $1.10 $1.10 Add to shopping cart
10 in stock. Explain stock levels
#24 43-20834 GEAR,PINION (1,1 required per assembly)
PINION GEAR,NLA 43-20834 43-20834
43-20834OEM Part 43-20834 - Pinion Gear (more info) About Mercury Marine $100.00 $100.00 Add to shopping cart
10+ in stock. Explain stock levels
#25 14-20871 TAB WASHER,PINION GEAR (1,1 required per assembly)
TAB WASHER,NLA 14-20871  
14-20871OEM Part 14-20871 - Tab Washer, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
10+ in stock. Explain stock levels
#26 10-20925 SCREW,PINION GEAR RETAINING (1,1 required per assembly)
SCREW,NLA 10-20925  
10-20925OEM Part 10-20925 - Screw, NLA (more info) About Mercury Marine $4.50 $4.50 Add to shopping cart
10+ in stock. Explain stock levels
#27 26-20232 SEAL,RUBBER-WATER TUBE (1,1 required per assembly)
SEAL,NLA 26-20232  
26-20232OEM Part 26-20232 - Seal, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
4 in stock. Explain stock levels
#28 10-20261 SCREW,GEAR CASE VENT (1,1 required per assembly)
SCREW             O - Replaced by 10-28653  
10-20261This part has been superseded. SCREW O - Replaced by 10-28653
(more info)
    UnavailableUnavailable Parts
SCREW (#10-32 x 0 10-28653 10-28653
10-28653OEM Part 10-28653 - Screw - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#29 12-20262 WASHER,GEAR CASE VENT SCREW (1,1 required per assembly)
19643 12-20262  
12-20262OEM Part 12-20262 - Washer, Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
SEAL Note: must be ordered in multiples of 15 19643 19643
19643OEM Part 19643 - Seal - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
9 in stock. Explain stock levels
#30 12-20260 WASHER,GREASE FILLER HOLE SCREW (2,2 required per assembly)
WASHER @15        O - Replaced by 12-19183 12-20260
12-20260This part has been superseded. WASHER @15 O - Replaced by 12-19183
(more info)
    UnavailableUnavailable Parts
12191832 12-19183 12-19183
12-19183OEM Part 12-19183 - Washer-BLK - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
WASHER-ORAN @15   O - Replaced by 12-19183  3 12-19183  2
12-19183 2This part has been superseded. WASHER-ORAN @15 O - Replaced by 12-19183 3
(more info)
    UnavailableUnavailable Parts
SEAL 12-19183  3 12-19183 3
12-19183 3OEM Part 12-19183 3 - Seal -Blue - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN GASKET 18-2945-9
18-2945-9OEM Match 18-2945-9 - Gasket 12-19183 2-Pack (more info)
Replaces OEM #0307552
About Sierra Marine $2.78 $1.52 Add to shopping cart
10+ in stock. Explain stock levels
SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02 12-19183Q02
12-19183Q02OEM Part 12-19183Q02 - Seals, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
SEAL (4) Note: must be ordered in multiples of 2   12 19183K02 12-19183K02
12-19183K02OEM Part 12-19183K02 - Seal, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 10-20259 SCREW,GREASE FILLER HOLE (2,2 required per assembly)
SCREW             O - Replaced by 10-28634  
10-20259This part has been superseded. SCREW O - Replaced by 10-28634
(more info)
    UnavailableUnavailable Parts
SCREW @5          O - Replaced by 10-79953 10-28634
10-28634This part has been superseded. SCREW @5 O - Replaced by 10-79953
(more info)
    UnavailableUnavailable Parts
SCREW @5          O - Replaced by 10-79953A 2 10-79953
10-79953This part has been superseded. SCREW @5 O - Replaced by 10-79953A 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT-DRAIN   O - Replaced by 10-79953Q 2 10-79953A 2
10-79953A 2This part has been superseded. SCREW KIT-DRAIN O - Replaced by 10-79953Q 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT @2      O - Replaced by 10-79953Q04 10-79953Q 2
10-79953Q 2This part has been superseded. SCREW KIT @2 O - Replaced by 10-79953Q04
(more info)
    UnavailableUnavailable Parts
SCREW KIT Drain 10-79953Q04 10-79953Q04
10-79953Q04OEM Part 10-79953Q04 - Screw Kit - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG 18-2244
18-2244OEM Match 18-2244 - Plug Kit, 10-79953A2 (more info) About Sierra Marine $2.99 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04 10-79953K04
10-79953K04OEM Part 10-79953K04 - Drain Screw - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels