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Parts for Force 50 HP (1991) Crankshaft & Piston

# FSA694015 PISTON (.010 OVER) (2 required per assembly)
PISTON-.010 700-FSA694015
 

About Mercury Marine

OEM Part

700-FSA694015 - Piston - .010 [ More info ]

Add to shopping cart $59.03 $58.44
10+ In Stock.

# FSA663260 RING SET (.010 OVER) (2 required per assembly)
39817869A2 FSA663260
 

About Mercury Marine

OEM Part

FSA663260 - Ring Set-2-.010 [ More info ]

Add to shopping cart $27.25
1 In Stock.

RING SET-2-.010,NLA 39-817869A2
39-817869A2

About Mercury Marine

OEM Part

39-817869A 2 - Rings - 2-.010, NLA [ More info ]

Add to shopping cart $27.78
10+ In Stock.

# 700-818134A 1 PISTON (.030 OVER) (2 required per assembly)
PISTON-.030,NLA 700-818134A 1
 

About Mercury Marine

OEM Part

700-818134A 1 - Piston-.030, NLA [ More info ]

Add to shopping cart $40.00
5 In Stock.

# 39-818132A 1 RING SET (.030 OVER) (2 required per assembly)
39817869A3 39-818132A 1
 

About Mercury Marine

OEM Part

39-818132A 1 - Ring Set-2-.030 [ More info ]

Add to shopping cart $8.00
1 In Stock.

39-817869A 3 - RING SET           NLA
39-817869A 3

About Mercury Marine

OEM Part

39-817869A 3 - Rings - 2-.030 [ More info ]
Unavailable
#1 F474146 SEAL CRANKSHAFT, UPPER (1 required per assembly)
26828626 26-F474146
 

About Mercury Marine

OEM Part

26-F474146 - Seal [ More info ]

Add to shopping cart $8.33
3 In Stock.

SEAL 26-828626
26-828626

About Mercury Marine

OEM Part

26-828626 - Seal [ More info ]

Add to shopping cart $24.83 $16.69
10+ In Stock.

#2 F1864 SCREW, BEARING CAGE TO CYLINDER, 1/4 - 20 X 3/4 (4 required per assembly)
10-F1864 - SCREW (.250-20 x   - Replaced by 10-28636
 

10-F1864 - Screw SS [ More info ]
Unavailable
SCREW 10-28636
10-28636

About Mercury Marine

OEM Part

10-28636 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#3 31-818072A 1 CAGE, CRANKSHAFT BEARING W/CRANKSHAFT SEAL (1 required per assembly)
CAGE ASSY,NLA 1100-818072A 1
1100-818072A 1

About Mercury Marine

OEM Part

1100-818072A 1 - Cage Assembly, NLA [ More info ]

Add to shopping cart $37.50
10+ In Stock.

#4 F284659-2 BEARING, CRANKSHAFT, UPPER MAIN (1 required per assembly)
30-F284659-2 - BEARING-BALL       - Replaced by 30-F284659-2
30-F284659-2

30-F284659-2 - Ball Bearing [ More info ]
Unavailable
BEARING-BALL 30-803893T
30-803893T

About Mercury Marine

OEM Part

30-803893T - Ball Bearing [ More info ]

Add to shopping cart $105.13
1 In Stock.

#5 FA40655 RACE, CRANKSHAFT CENTER MAIN BEARING W/SNAP RING (1 required per assembly)
BEARING,NLA 31-FA40655
31-FA40655

About Mercury Marine

OEM Part

31-FA40655 - Bearing, NLA [ More info ]

Add to shopping cart $35.56
10+ In Stock.

#6 FK85228-1 CAGE, BEARING WITH ROLLERS (16 PER SET) (3 required per assembly)
FK85228-1 - CAGE AND ROLLERS   - Replaced by 31-62596A2
 

FK85228-1 - Cage/Roller Set [ More info ]
Unavailable
CAGE/ROLLER SET,NLA 31-62596A2
31-62596A2

About Mercury Marine

OEM Part

31-62596A 2 - Cage Roller, for One Rod Only [ More info ]

Add to shopping cart $199.99
10+ In Stock.

#7 F85634-2 SCREW, CONNECTING ROD (4 required per assembly)
10-F85634-2 - SCREW-CONN ROD     - Replaced by 10-F85634-2
10-F85634-2

10-F85634-2 - Connecting Rod Screw [ More info ]
Unavailable
10-91012 - SCREW (.250-28 Sp
10-91012

About Mercury Marine

OEM Part

10-91012 - Screw - Special - Priced Individually [ More info ]
Unavailable
#8 400-817874A 1 CRANKSHAFT W/UPPER CRANKSHAFT BEARING (1 required per assembly)
400-817874A 1 - CRANKSHAFT ASSY    - Replaced by 400-817398A 2
 

400-817874A 1 - Crankshaft [ More info ]
Unavailable
400-817398A 2 - CRANKSHAFT ASSY    - Replaced by 400-817398A 3
 

400-817398A 2 - Crankshaft [ More info ]
Unavailable
CRANKSHAFT,NLA 400-817398A 3
400-817398A 3

About Mercury Marine

OEM Part

400-817398A 3 - CrankShaft, NLA [ More info ]

Add to shopping cart $85.00
10+ In Stock.

#9 F90014 BEARING, CRANKSHAFT, LOWER MAIN (1 required per assembly)
BEARING,NLA 31-F90014
31-F90014

About Mercury Marine

OEM Part

31-F90014 - Bearing - Crankshaft Lower Main [ More info ]

Add to shopping cart $59.99
5 In Stock.

#10 F40146-1 SEAL, CRANKSHAFT LOWER (1 required per assembly)
26-F40146-1 - SEAL               - Replaced by 26-F40146-1
 

26-F40146-1 - Seal [ More info ]
Unavailable
SEAL 26-819394
26-819394

About Mercury Marine

OEM Part

26-819394 - Seal [ More info ]

Add to shopping cart $18.92 $16.08
9 In Stock.

#11 F40410 SNAP RING (1 required per assembly)
RING-SNAP,NLA 53-F40410
 

About Mercury Marine

OEM Part

53-F40410 - Ring -snap, NLA [ More info ]

Add to shopping cart $2.25
10+ In Stock.

#12 600-818052A 3 ROD, CONNECTING W/CAP AND SCREWS (2 required per assembly)
600-818052A 3 - CONNECTING ROD AS  - Replaced by 600-818052A 4
 

600-818052A 3 - Connecting Rod Assembly [ More info ]
Unavailable
600-818052A 4 - CONNECTING ROD AS  - Replaced by 600-818052A 6
 

600-818052A 4 - Connecting Rod Assembly [ More info ]
Unavailable
600-818052A 6 - CONNECTING ROD AS  - Replaced by 600-818052T 6
600-818052A 6

600-818052A 6 - Connecting Rod [ More info ]
Unavailable
CONN ROD ASSY,NLA 600-818052T 6
600-818052T 6

About Mercury Marine

OEM Part

600-818052T 6 - Connecting Rod [ More info ]

Add to shopping cart $49.99
10+ In Stock.

#13 F366215 SPACER, PISTON PIN (4 required per assembly)
SPACER,NLA 23-F366215
23-F366215

About Mercury Marine

OEM Part

23-F366215 - Spacer - Piston Pin [ More info ]

Add to shopping cart $6.66
10+ In Stock.

#14 F694015 PISTON (STANDARD) (2 required per assembly)
PISTON-STD,NLA 700-F694015
700-F694015

About Mercury Marine

OEM Part

700-F694015 - Piston-STD, NLA [ More info ]

Add to shopping cart $95.20
3 In Stock.

#15 39-817869A 1 RING SET (STANDARD) (2 required per assembly)
RING SET-2-STD,NLA 39-817869A 1
39-817869A 1

About Mercury Marine

OEM Part

39-817869A 1 - Rings - 2 - Standard [ More info ]

Add to shopping cart $59.99
9 In Stock.

PISTON RINGS
18-39010

About Sierra Marine

OEM Match

18-39010 - Rings, 39-817869A1 [ More info ]

Add to shopping cart $56.71 $42.82
1 In Stock.

#16 F694017 PIN, PISTON (2 required per assembly)
41F6940171 41-F694017
 

About Mercury Marine

OEM Part

41-F694017 - 41F6940171 [ More info ]

Add to shopping cart $5.00
1 In Stock.

PIN-PISTON,NLA 41-F694017-1
41-F694017-1

About Mercury Marine

OEM Part

41-F694017-1 - Piston Pin, NLA [ More info ]

Add to shopping cart $6.00
10+ In Stock.

#17 F335217-1 BEARING, PISTON PIN (2 required per assembly)
BEARING 31-F335217-1
31-F335217-1

About Mercury Marine

OEM Part

31-F335217-1 - Bearing - Piston Pin [ More info ]

Add to shopping cart $6.99
10+ In Stock.

#18 F85498-1 FLYWHEEL KEY (1 required per assembly)
KEY 28-F85498-1
28-F85498-1

About Mercury Marine

OEM Part

28-F85498-1 - Key [ More info ]

Add to shopping cart $11.60
6 In Stock.

#19 F1968 FLYWHEEL NUT, 3/4 - 16 (1 required per assembly)
NUT (.750-16) 11-F1968
11-F1968

About Mercury Marine

OEM Part

11-F1968 - Nut (3/4-16) [ More info ]

Add to shopping cart $18.90
10+ In Stock.

#20 F694096 RETAINER, PISTON PIN (4 required per assembly)
RING-LOCK,NLA 40-F694096
 

About Mercury Marine

OEM Part

40-F694096 - Lock Ring, NLA [ More info ]

Add to shopping cart $1.39
10+ In Stock.


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