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Parts for Mercury Marine 50 HP Bigfoot (4-Stroke) Gearhousing (Driveshaft) (1.83:1 / 2:1 Gear Ratio)

# 821354A 1 WATER PUMP REPAIR KIT (1 required per assembly)
821354A 1 - REPAIR KIT Water   - Replaced by -821354A 2
 

This part has been superseded.

821354A 1 - 821354A 1 - REPAIR KIT Water [ More info ]
Unavailable
Replaced by -821354A 2
REPAIR KIT-W/P 821354A 2
821354A 2

About Mercury Marine

OEM Part

821354A 2 - Water Pump Repair Kit [ More info ]

Add to shopping cart $68.33
8 In Stock.

# 1682-821306A24 GEAR HOUSING (1 required per assembly) (BLACK) S/N-0G442710 & UP 1.83:1 GEAR RATIO
1682-821306A24 - GEAR HOUSING ASSE  - Replaced by 1682-821306T24
 

This part has been superseded.

1682-821306A24 - 1682-821306A24 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T24
1682-821306T24 - GEAR HOUSING ASSE
 

About Mercury Marine

OEM Part

1682-821306T24 - GEAR HOUSING ASSE [ More info ]
Unavailable
# 1682-821306A17 GEAR HOUSING (1 required per assembly) (BLACK) S/N-0G442709 & BELOW; 2:1 GEAR RATIO
1682-821306A17 - GEAR HOUSING ASSE  - Replaced by 1682-821306T17
 

This part has been superseded.

1682-821306A17 - 1682-821306A17 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T17
1682-821306T17 - GEAR HOUSING ASSE
 

About Mercury Marine

OEM Part

1682-821306T17 - GEAR HOUSING ASSE [ More info ]
Unavailable
# 1682-821306A18 GEAR HOUSING (1 required per assembly) (GRAY) S/N-0G442709 & BELOW; 2:1 GEAR RATIO
1682-821306A18 - GEAR HOUSING ASSE  - Replaced by 1682-821306T18
 

This part has been superseded.

1682-821306A18 - 1682-821306A18 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T18
1682-821306T18 - GEAR HSG-L-GRAY    NLA
 

About Mercury Marine

OEM Part

1682-821306T18 - GEAR HSG-L-GRAY NLA [ More info ]
Unavailable
# 823547A 1 SEAL KIT (1 required per assembly)
823547A 1 - SEAL KIT           - Replaced by -823547A 2
823547A 1

This part has been superseded.

823547A 1 - 823547A 1 - SEAL KIT [ More info ]
Unavailable
Replaced by -823547A 2
SEAL KIT-GEAR HSG 823547A 2
823547A 2

About Mercury Marine

OEM Part

823547A 2 - Gear Housing Seal Kit [ More info ]

Add to shopping cart $105.50
Available to Order: Usually ships within 10 days.

# 1682-821306A25 GEAR HOUSING (1 required per assembly) (GRAY) S/N-0G442710 & UP 1.83:1 GEAR RATIO
1682-821306A25 - GEAR HOUSING ASSE  - Replaced by 1682-821306T25
 

This part has been superseded.

1682-821306A25 - 1682-821306A25 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T25
1682-821306T25 - GEAR HOUSING ASSE  NLA
 

About Mercury Marine

OEM Part

1682-821306T25 - GEAR HOUSING ASSE NLA [ More info ]
Unavailable
#1 1682-821306A12 GEAR HOUSING (1 required per assembly) (BASIC-BLACK)
1682-821306A12 - GEAR HOUSING ASSE  - Replaced by 1682-821306T12
 

This part has been superseded.

1682-821306A12 - 1682-821306A12 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T12
GEAR HSG-BASIC-BL 1682-821306T12
1682-821306T12

About Mercury Marine

OEM Part

1682-821306T12 - Gear Housing Assembly [ More info ]

Add to shopping cart $1,021.43
Available to Order: Usually ships within 10 days.

#1 1682-821306A13 GEAR HOUSING (1 required per assembly) (BASIC-GRAY)
1682-821306A13 - GEAR HOUSING ASSE  - Replaced by 1682-821306T13
 

This part has been superseded.

1682-821306A13 - 1682-821306A13 - GEAR HOUSING ASSE [ More info ]
Unavailable
Replaced by 1682-821306T13
1682-821306T13 - GEAR HOUSING ASSE  NLA
 

About Mercury Marine

OEM Part

1682-821306T13 - GEAR HOUSING ASSE NLA [ More info ]
Unavailable
#2 818226A 1 SEAL/PLATE KIT (1 required per assembly)
PLATE KIT-FILLER 818226A 1
818226A 1

About Mercury Marine

OEM Part

818226A 1 - Plate Kit -Filler [ More info ]

Add to shopping cart $6.90
8 In Stock.

#4 10-79953A 2 SCREW (.375-16 X .25) (1 required per assembly)
10-79953A 2 - SCREW KIT (.375-1  - Replaced by 10-79953Q 2
10-79953A 2

This part has been superseded.

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

This part has been superseded.

10-79953Q 2 - 10-79953Q 2 - SCREW KIT (.375-1 [ 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 $7.20
10+ In Stock.

DRAIN PLUG
18-2244

About Sierra Marine

OEM Match

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

Add to shopping cart $4.99
10 In Stock.

SCREW-DRAIN   10 79953K04
10 79953K04

About Mercury Marine

OEM Part

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

Add to shopping cart $7.20
10+ In Stock.

#6 22-67892A 1 DRAIN SCREW (1 required per assembly) (MAGNETIC)
22-67892A 1 - FITTING KIT Magne  - Replaced by 22-67892A05
22-67892A 1

This part has been superseded.

22-67892A 1 - 22-67892A 1 - FITTING KIT Magne [ More info ]
Unavailable
Replaced by 22-67892A05
22-67892A05 - PLUG KIT Drain (M  - Replaced by 22-67892A06
22-67892A05

This part has been superseded.

22-67892A05 - 22-67892A05 - PLUG KIT Drain (M [ More info ]
Unavailable
Replaced by 22-67892A06
22-67892A06 - PLUG KIT Drain -   - Replaced by 22-8M0058389
22-67892A06

This part has been superseded.

22-67892A06 - 22-67892A06 - PLUG KIT Drain - [ More info ]
Unavailable
Replaced by 22-8M0058389
SCREW KIT 22-8M0058389
22-8M0058389

About Mercury Marine

OEM Part

22-8M0058389 - Screw Kit - Priced Individually [ More info ]

Add to shopping cart $10.30
10+ In Stock.

DRAIN SCREW PKG/50
18-23751-9

About Sierra Marine

OEM Match

18-23751-9 - Drain Screw , Package of 50 [ More info ]

Add to shopping cart $338.69 $289.64
In Stock

DRAIN PLUG MAGNETIC
18-2375

About Sierra Marine

OEM Match

18-2375 - Plug, 22-67892A1 [ More info ]

Add to shopping cart $6.99 $6.69
10+ In Stock.

#7 12-19183 WASHER-SEALING (1 required per assembly)
12-19183 - WASHER Fiber       - Replaced by 12-191832
12-19183

This part has been superseded.

12-19183 - 12-19183 - WASHER Fiber [ More info ]
Unavailable
Replaced by 12-191832
12-191832 - ->191833 - Replaced by -191833
12-191832

This part has been superseded.

12-191832 - 12-191832 - ->191833 [ More info ]
Unavailable
Replaced by -191833
SEAL-BLUE 12-191833
12-191833

About Mercury Marine

OEM Part

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

Add to shopping cart $1.40
10+ In Stock.

DRAIN SCREW GASKET 2
18-2945

About Sierra Marine

OEM Match

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

Add to shopping cart $2.38
10+ In Stock.

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 $6.40
1 In Stock.

SEAL (4)   12 19183K02
12 19183K02

About Mercury Marine

OEM Part

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

Add to shopping cart $6.40
2 In Stock.

#8 11-55910 NUT (1 required per assembly)
NUT 11-55910
11-55910

About Mercury Marine

OEM Part

11-55910 - Nut, Special (7/16-20) [ More info ]

Add to shopping cart $5.30 $4.50
10+ In Stock.

#9 43-822161 PINION GEAR (12 TEETH) (1 required per assembly) (1.83:1 GEAR RATIO)
43-822161 - GEAR Pinion        - Replaced by 43-8221612
 

This part has been superseded.

43-822161 - 43-822161 - GEAR Pinion [ More info ]
Unavailable
Replaced by 43-8221612
43-8221612 - ->822161T2 - Replaced by -822161T2
 

This part has been superseded.

43-8221612 - 43-8221612 - ->822161T2 [ More info ]
Unavailable
Replaced by -822161T2
GEAR-PINION 43-822161T2
43-822161T2

About Mercury Marine

OEM Part

43-822161T 2 - Gear, Pinion (12 Teeth) [ More info ]

Add to shopping cart $177.42
Available to Order: Usually ships within 10 days.

#9 43-821326 PINION GEAR (13 TEETH) (1 required per assembly) (2:1 GEAR RATIO)
43-821326 - GEAR Pinion        - Replaced by 43-8213261
 

This part has been superseded.

43-821326 - 43-821326 - GEAR Pinion [ More info ]
Unavailable
Replaced by 43-8213261
43-8213261 - ->821326T1 - Replaced by -821326T1
 

This part has been superseded.

43-8213261 - 43-8213261 - ->821326T1 [ More info ]
Unavailable
Replaced by -821326T1
GEAR-PINION 43-821326T1
43-821326T1

About Mercury Marine

OEM Part

43-821326T 1 - Gear, Pinion - 13 Teeth [ More info ]

Add to shopping cart $232.17
Available to Order: Usually ships within 10 days.

#10 31-821321A 2 BEARING ASSEMBLY-ROLLER (1 required per assembly)
BEARING KIT 31-821321A 2
31-821321A 2

About Mercury Marine

OEM Part

31-821321A 2 - Bearing Kit [ More info ]

Add to shopping cart $34.67
Available to Order: Usually ships within 10 days.

#11 NSS CUP (PART OF 31-821321A2) (1 required per assembly)
NSS - NOT SOLD SEPARATE
 

About Mercury Marine

OEM Part

NSS - NOT SOLD SEPARATE [ More info ]
Unavailable
#12 10-824832 4 SCREW (M6 X 16) (4 required per assembly)
SCREW 10-824832  4
10-824832  4

About Mercury Marine

OEM Part

10-824832 4 - Screw [ More info ]

Add to shopping cart $1.70
9 In Stock.

#13 46-821351A 2 WATER PUMP ASSEMBLY (1 required per assembly)
46-821351A 2 - PUMP ASSEMBLY Wat  - Replaced by 46-821351A 3
 

This part has been superseded.

46-821351A 2 - 46-821351A 2 - PUMP ASSEMBLY Wat [ More info ]
Unavailable
Replaced by 46-821351A 3
HOUSING-UPPER W/P 46-821351A 3
46-821351A 3

About Mercury Marine

OEM Part

46-821351A 3 - Water Pump Upper Housing [ More info ]

Add to shopping cart $114.92
2 In Stock.

#14 823547 1 SEAL-WATER TUBE (1 required per assembly)
SEAL-WATER TUBE 823547  1
823547  1

About Mercury Marine

OEM Part

823547 1 - Seal - Water Tube [ More info ]

Add to shopping cart $22.01
1 In Stock.

#16 28-85119 KEY (1 required per assembly)
28-85119 - KEY                - Replaced by 28-8M0032838
28-85119

This part has been superseded.

28-85119 - 28-85119 - KEY [ More info ]
Unavailable
Replaced by 28-8M0032838
288M0214993 28-8M0032838
28-8M0032838

About Mercury Marine

OEM Part

28-8M0032838 - Key - Priced Individually [ More info ]

Add to shopping cart $4.00
2 In Stock.

KEY 28-8M0214993
28-8M0214993

About Mercury Marine

OEM Part

288M0214993 - KEY Note: Priced Individually [ More info ]

Add to shopping cart $3.60
7 In Stock.

#17 12-86645 1 WASHER (1 required per assembly)
#18 27-822189 GASKET (1 required per assembly)
GASKET Upper Water Pump 27-822189
27-822189

About Mercury Marine

OEM Part

27-822189 - Upper Water Pump Gasket [ More info ]

Add to shopping cart $6.40
10 In Stock.

GASKET
18-0345

About Sierra Marine

OEM Match

18-0345 - Gasket [ More info ]

Add to shopping cart $6.59 $6.45
Available to Order: Usually ships within 10 days.

#19 27-822217 GASKET (LOWER) (1 required per assembly)
27-822217 - GASKET Lower Wate  - Replaced by -8M0214956
27-822217

This part has been superseded.

27-822217 - 27-822217 - GASKET Lower Wate [ More info ]
Unavailable
Replaced by -8M0214956
27-8M0214956 - GASKET
27-8M0214956

About Mercury Marine

OEM Part

27-8M0214956 - GASKET [ More info ]
Unavailable
#20 821354 1 FACE PLATE (1 required per assembly)
8213542 821354  1
 

About Mercury Marine

OEM Part

821354 1 - FACEPLATE [ More info ]

Add to shopping cart $10.99
5 In Stock.

FACEPLATE 821354  2
821354  2

About Mercury Marine

OEM Part

821354 2 - Face Plate [ More info ]

Add to shopping cart $18.80
3 In Stock.

#21 47-85089 3 IMPELLER (1 required per assembly)
47-85089  3 - IMPELLER           - Replaced by 47-85089 10
47-85089  3

This part has been superseded.

47-85089 3 - 47-85089 3 - IMPELLER [ More info ]
Unavailable
Replaced by 47-85089 10
47-85089 10 - IMPELLER
47-85089 10

About Mercury Marine

OEM Part

47-85089 10 - IMPELLER [ More info ]
In Stock
IMPELLER
18-3057

About Sierra Marine

OEM Match

18-3057 - Impeller 47-85089-3 [ More info ]

Add to shopping cart $22.99 $20.27
10+ In Stock.

IMPELLER  478M0204712
478M0204712

About Mercury Marine

OEM Part

47-8M0204712 - Impeller [ More info ]

Add to shopping cart $37.58
10+ In Stock.

#22 46-821307A 2 WATER PUMP BASE ASSEMBLY (1 required per assembly)
BASE KIT-W/P 46-821307A 2
46-821307A 2

About Mercury Marine

OEM Part

46-821307A 2 - Water Pump Base Kit [ More info ]

Add to shopping cart $83.92
Available to Order: Usually ships within 10 days.

#23 26-821309 SEAL-OIL (1 required per assembly)
SEAL 26-821309
26-821309

About Mercury Marine

OEM Part

26-821309 - Seal [ More info ]

Add to shopping cart $8.50
1 In Stock.

SEAL UPPER WATER PUMP
18-3013

About Sierra Marine

OEM Match

18-3013 - Seal, 26-821309 [ More info ]

Add to shopping cart $2.19 $2.02
10+ In Stock.

#24 26-821310 SEAL-OIL (1 required per assembly)
SEAL 26-821310
26-821310

About Mercury Marine

OEM Part

26-821310 - Seal [ More info ]

Add to shopping cart $7.20
Available to Order: Usually ships within 10 days.

#25 25-821308 O RING (1 required per assembly)
O RING 25-821308
25-821308

About Mercury Marine

OEM Part

25-821308 - O-ring, (1.421 X .139) [ More info ]

Add to shopping cart $2.30
Available to Order: Usually ships within 10 days.

#26 45-826194A 1 DRIVESHAFT (1 required per assembly) (30-3/4)(LONG)
D SHAFT ASSY-LONG 45-826194A 1
45-826194A 1

About Mercury Marine

OEM Part

45-826194A 1 - Drive Shaft Assembly - Long [ More info ]

Add to shopping cart $443.86 $289.92
Available to Order: Usually ships within 10 days.

#26 45-826195A 1 DRIVESHAFT (1 required per assembly) (33-1/3)(LL)
45-826195A 1 - DRIVESHAFT         NLA
 

About Mercury Marine

OEM Part

45-826195A 1 - DRIVESHAFT NLA [ More info ]
Unavailable
#27 30-821311 BALL BEARING (1 required per assembly)
BEARING-BALL 30-821311
30-821311

About Mercury Marine

OEM Part

30-821311 - Ball Bearing [ More info ]

Add to shopping cart $32.25
Available to Order: Usually ships within 10 days.

#28 823548 CABLE TIE (1 required per assembly)
823548 - TIE STRAP          - Replaced by -823548T
 

823548 - Cable TIE [ More info ]
Unavailable
823548T - TIE STRAP          NLA
 

About Mercury Marine

OEM Part

823548T - Cable TIE-100 Pk [ More info ]
Unavailable
#29 822158 BOOT-SHIFT SHAFT (1 required per assembly)
BOOT-SHIFT SHAFT 822158
822158

About Mercury Marine

OEM Part

822158 - Shift Shaft Boot [ More info ]

Add to shopping cart $13.80
3 In Stock.

#30 821827 RETAINER-SHIFT SHAFT (1 required per assembly)
RETAINER-SHIFT 821827
821827

About Mercury Marine

OEM Part

821827 - Shift Shaft Retainer [ More info ]

Add to shopping cart $18.60
1 In Stock.

#31 25-26855 O RING (1 required per assembly)
O RING 25-26855
25-26855

About Mercury Marine

OEM Part

25-26855 - O-ring, (1.609 X .139) [ More info ]

Add to shopping cart $3.50
10+ In Stock.

O-RING - 5/PACK
18-7155

About Sierra Marine

OEM Match

18-7155 - O-Ring 25-26855 [ More info ]

Add to shopping cart $9.95 $2.06
Available to Order: Usually ships within 10 days.

#32 25-85594 O RING (1 required per assembly)
O RING 25-85594
25-85594

About Mercury Marine

OEM Part

25-85594 - O-ring, (.239 X .174) [ More info ]

Add to shopping cart $3.30
1 In Stock.

O-RING 5
18-7100

About Sierra Marine

OEM Match

18-7100-9 - O-Ring (PK5) 301877 [ More info ]

Add to shopping cart $10.99 $10.69
7 In Stock.

#33 12-814803 WASHER (1 required per assembly)
WASHER 12-814803
 

About Mercury Marine

OEM Part

12-814803 - Washer [ More info ]

Add to shopping cart $5.00
Available to Order: Usually ships within 10 days.

#34 827865A 1 SHIFT SHAFT (1 required per assembly) (31.14)(LONG)
SHAFT ASSY-SHIFT 827865A 1
 

About Mercury Marine

OEM Part

827865A 1 - Shift Shaft Assembly [ More info ]

Add to shopping cart $152.17
Available to Order: Usually ships within 10 days.

#34 827865 2 SHIFT SHAFT (1 required per assembly) (33.64)(LL)
827865  2 - SHIFT SHAFT
 

About Mercury Marine

OEM Part

827865 2 - SHIFT SHAFT [ More info ]
Unavailable
#35 12-29245 WASHER (1 required per assembly)
128M0204649 12-29245
12-29245

About Mercury Marine

OEM Part

12-29245 - Washer [ More info ]

Add to shopping cart $0.89
10+ In Stock.

WASHER 12-8M0204649
 

About Mercury Marine

OEM Part

12-8M0204649 - WASHER Note: Priced Individually [ More info ]

Add to shopping cart $1.20
Available to Order: Usually ships within 10 days.

#36 17-85593 ROLL PIN (1 required per assembly)
ROLL PIN 17-85593
 

About Mercury Marine

OEM Part

17-85593 - Pin (.078 x .437) [ More info ]

Add to shopping cart $4.00
Available to Order: Usually ships within 10 days.

#37 821316 1 CAM-SHIFT (1 required per assembly)
CAM-SHIFT 821316  1
821316  1

About Mercury Marine

OEM Part

821316 1 - Shift Cam [ More info ]

Add to shopping cart $115.83
Available to Order: Usually ships within 10 days.

#38 17-822369 PIN (1 required per assembly)
PIN-COIL 17-822369
 

About Mercury Marine

OEM Part

17-822369 - Coil Pin [ More info ]

Add to shopping cart $1.00
Available to Order: Usually ships within 10 days.


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