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Parts for Force 50 HP (1987) Power Head

# F93472-1 GASKET, CYLINDER DRAIN COVER (1 required per assembly)
GASKET 27-F93472-1
27-F93472-1

About Mercury Marine

OEM Part

27-F93472-1 - Cylinder Drain Cover Gasket [ More info ]

Add to shopping cart $7.10
10+ In Stock.

# F433168 GASKET, CARBURETOR ADAPTER (1 required per assembly)
GASKET Carburetor Adapt 27-F433168
27-F433168

About Mercury Marine

OEM Part

27-F433168 - Carburetor Adapter Gasket [ More info ]

Add to shopping cart $2.60
10+ In Stock.

# F40833-4 GASKET, IDLE RELIEF COVER (1 required per assembly)
GASKET,NLA 27-F40833-4
27-F40833-4

About Mercury Marine

OEM Part

27-F40833-4 - Gasket [ More info ]

Add to shopping cart $4.59
10+ In Stock.

# F40279-1 GASKET, CYLINDER EXHAUST - LOWER (1 required per assembly)
GASKET,NLA 27-F40279-1
27-F40279-1

About Mercury Marine

OEM Part

27-F40279-1 - Gasket [ More info ]

Add to shopping cart $13.32
10+ In Stock.

# F93748-1 GASKET, CYLINDER DRAIN REED PLATE (1 required per assembly)
GASKET 27-F93748-1
27-F93748-1

About Mercury Marine

OEM Part

27-F93748-1 - Cylinder Drain Reed Plate Gasket [ More info ]

Add to shopping cart $2.90
10+ In Stock.

# F433406 GASKET, DEFLECTOR PLATE (1 required per assembly)
GASKET 27-F433406
27-F433406

About Mercury Marine

OEM Part

27-F433406 - Deflector Plate Gasket [ More info ]

Add to shopping cart $4.90 $2.75
10+ In Stock.

# FC629010 SHORT BLOCK. (1 required per assembly) INCLUDES ALL ITEMS MARKED WITH AN (*). ALSO REFER TO CRANKSHAFT PAGE.
FC629010 - SHORT BLOCK        - Replaced by 800-820259A1
 

FC629010 - SHORT BLOCK [ More info ]
Unavailable
800-820259A1 - BLOCK ASY-W/ELEC       NLA
 

About Mercury Marine

OEM Part

800-820259A 1 - BLOCK ASY-W/ELEC,NLA [ More info ]
Unavailable
# F40906-1 GASKET, CARBURETOR (1 required per assembly)
F40906-1 - GASKET Carburetor  - Replaced by 27-F85906
F40906-1

F40906-1 - 27F85906 [ More info ]
Unavailable
27-F85906 - GASKET             - Replaced by 27-828925
27-F85906

27-F85906 - Carburetor Gasket [ More info ]
Unavailable
GASKET 27-828925
27-828925

About Mercury Marine

OEM Part

27-828925 - Carburetor Gasket [ More info ]

Add to shopping cart $2.30
10+ In Stock.

18-0960-9 18-0960
18-0960

About Sierra Marine

OEM Match

18-0960 - Gasket, 27-F85906, 828925 [ More info ]

Add to shopping cart $1.99 $1.17
4 In Stock.

# F366277 GASKET, BEARING CAGE (1 required per assembly)
GASKET,NLA 27-F366277
27-F366277

About Mercury Marine

OEM Part

27-F366277 - Gasket [ More info ]

Add to shopping cart $2.77
10+ In Stock.

# F40223 GASKET, TRANSFER PORT COVER (1 required per assembly)
27-F40223 - GASKET             - Replaced by 27-820500
27-F40223

27-F40223 - Transfer Port Cover Gasket [ More info ]
Unavailable
27820500A3 27-820500
27-820500

About Mercury Marine

OEM Part

27-820500 - Transfer Port Gasket [ More info ]

Add to shopping cart $3.88
8 In Stock.

GASKET KIT 27-820500A3
27-820500A3

About Mercury Marine

OEM Part

27-820500A 3 - Gasket Kit [ More info ]

Add to shopping cart $19.90
5 In Stock.

PORT COVER GASKET 2
18-0869

About Sierra Marine

OEM Match

18-0869-9 - Gasket 27-F40223 2-Pack [ More info ]

Add to shopping cart $19.99 $16.57
2 In Stock.

# F307279-2 GASKET, CYLINDER EXHAUST - UPPER (1 required per assembly)
Gasket,NLA 27-F307279-2
27-F307279-2

About Mercury Marine

OEM Part

27-F307279-2 - Gasket [ More info ]

Add to shopping cart $6.80
10+ In Stock.

#1 FA658010 CYLINDER W/CRANKCASE COVER AND DEFLECTOR PLATE (1 required per assembly)
FA658010 - CYLINDER KIT       - Replaced by 800-817867A1
 

FA658010 - Cylinder Kit [ More info ]
Unavailable
800-817867A1 - ->820260A1 - Replaced by -820260A1
 

800-817867A 1 - Cylinder Kit [ More info ]
Unavailable
800-820260A1 - BLOCK ASY-W/O ELE      NLA
 

About Mercury Marine

OEM Part

800-820260A 1 - BLOCK ASY-W/O EL,NLA [ More info ]
Unavailable
#2 F40154-4 GASKET, EXHAUST PORT PLATE (2 required per assembly)
GASKET 27-F40154-4
27-F40154-4

About Mercury Marine

OEM Part

27-F40154-4 - Gasket, NLA [ More info ]

Add to shopping cart $13.00
10+ In Stock.

#3 F40151-2 PLATE, EXHAUST PORT (1 required per assembly)
PLATE-EXHAUST,NLA F40151-2
F40151-2

About Mercury Marine

OEM Part

F40151-2 - Exhaust Plate, NLA [ More info ]

Add to shopping cart $27.78
10+ In Stock.

#4 F658152 COVER, EXHAUST PORT (1 required per assembly)
F658152 - COVER-EXHAUST      - Replaced by -F658152-1
 

F658152 - F6581521, NLA [ More info ]
Unavailable
F658152-1 - COVER-EXHAUST      NLA
 

About Mercury Marine

OEM Part

F658152-1 - Exhaust Cover,NLA [ More info ]
Unavailable
#5 F1971 SCREW, EXHAUST PORT, 1/4-20 X 2 1/8 HEX HM. (9 required per assembly)
SCREW-SS,NLA 10-F1971
 

About Mercury Marine

OEM Part

10-F1971 - Screw -ss, NLA [ More info ]

Add to shopping cart $1.80
10+ In Stock.

#6 F1974 SCREW, TERMINAL BLOCK MTG., #10-24 X 5/8 SL PAN HM (2 required per assembly)
SCREW-SS,NLA 10-F1974
 

About Mercury Marine

OEM Part

10-F1974 - Screw -ss, NLA [ More info ]

Add to shopping cart $1.35
10+ In Stock.

#7 F184122-1 SEAL, CRANKCASE PARTING LINE (1 required per assembly)
SEAL-(RED) ,NLA F184122-1
F184122-1

About Mercury Marine

OEM Part

F184122-1 - Seal - Red, 40 Inches, NLA [ More info ]

Add to shopping cart $19.90
10+ In Stock.

#8 F1879 SCREW, CRANKCASE COVER TO CYLNDR 3/8 - 16 X 1 5/8 HX SOC HC (5 required per assembly)
F1879 - SCREW              - Replaced by -F2246
 

F1879 - Screw [ More info ]
Unavailable
F2246 - SCREW              - Replaced by 10-812567
 

F2246 - SCREW [ More info ]
Unavailable
10-812567 - SCREW (.375-16 x
10-812567

About Mercury Marine

OEM Part

10-812567 - Screw [ More info ]
Unavailable
#9 F1646 SCREW, CRANKCASE COVER TO CYLINDER 3/8 - 16 X 2 1/4 H SOC (1 required per assembly)
1085577 F1646
 

About Mercury Marine

OEM Part

F1646 - Screw, NLA [ More info ]

Add to shopping cart $1.82
2 In Stock.

SCREW,NLA 10-85577
 

About Mercury Marine

OEM Part

10-85577 - Screw, NLA [ More info ]

Add to shopping cart $2.00
10 In Stock.

#10 F463314 ELBOW, CHECK VALVE (1 required per assembly)
CHECK VALVE,NLA 21-F463314
 

About Mercury Marine

OEM Part

21-F463314 - Check Valve, NLA [ More info ]

Add to shopping cart $7.78
10+ In Stock.

#11 F1922 SCREW, CRANKCASE TO CYLINDER, SMALL HD. 1/4 - 20 X 5/8 (3 required per assembly)
SCREW,NLA 10-F1922
 

About Mercury Marine

OEM Part

10-F1922 - Screw, NLA [ More info ]

Add to shopping cart $1.49
8 In Stock.

#12 F1914 SCREW, CRANKCASE TO CYLINDER, LARGE HD. 1/4 - 20 X 5/8 (9 required per assembly)
SCREW,NLA 10-F1914
 

About Mercury Marine

OEM Part

10-F1914 - Screw, NLA [ More info ]

Add to shopping cart $1.99
10+ In Stock.

#13 F658529 GASKET, CYLINDER HEAD (1 required per assembly)
GASKET 27-F658529
27-F658529

About Mercury Marine

OEM Part

27-F658529 - Gasket [ More info ]

Add to shopping cart $42.42 $28.51
2 In Stock.

HEAD GASKET
18-3854

About Sierra Marine

OEM Match

18-3854 - Gasket 27-F658529 [ More info ]

Add to shopping cart $36.42 $33.08
1 In Stock.

#14 F658518 HEAD, CYLINDER (1 required per assembly)
900-F658518 - HEAD-CYLINDER      NLA
 

About Mercury Marine

OEM Part

900-F658518 - Cylinder Head, NLA [ More info ]
Unavailable
#15 F658995 COVER, CYLINDER HEAD (1 required per assembly)
F658995 - COVER-CYL HEAD     - Replaced by -F658995-1
 

F658995 - F6589951 [ More info ]
Unavailable
COVER-CYL HEAD,NLA F658995-1
 

About Mercury Marine

OEM Part

F658995-1 - Cylinder Head Cover, NLA [ More info ]

Add to shopping cart $36.00
8 In Stock.

#16 F8039 WASHER, CYLINDER HEAD BOLTS (10 required per assembly)
12-F8039 - WASHER             - Replaced by -F2014
 

12-F8039 - F2014 [ More info ]
Unavailable
1234931 F2014
 

About Mercury Marine

OEM Part

F2014 - Washer [ More info ]

Add to shopping cart $0.49
3 In Stock.

WASHER (.406 x .734 x . 12-34931
 

About Mercury Marine

OEM Part

12-34931 - Washer, (.406 X .734 X .063 - Stainless Steel) [ More info ]

Add to shopping cart $2.50
10+ In Stock.

#17 F2091 SCREW, CYLINDER HEAD & COVER TO CYLINDER (10 required per assembly)
10-F2091 - SCREW              NLA
 

About Mercury Marine

OEM Part

10-F2091 - SCREW,NLA [ More info ]
Unavailable
#18 F1647 HEX NUT (1 required per assembly)
NUT-SS,NLA 11-F1647
 

About Mercury Marine

OEM Part

11-F1647 - Nut, (#8-32)(Stainless Steel) NLA [ More info ]

Add to shopping cart $1.25
10+ In Stock.

#19 F8056 LOCKWASHER (1 required per assembly)
LOCKWASHER,NLA 13-F8056
 

About Mercury Marine

OEM Part

13-F8056 - LockWasher [ More info ]

Add to shopping cart $0.90
10+ In Stock.

#20 F629449 THERMOSWITCH W/LOCKSWASHER, NEX NUT & WASHER (1 required per assembly)
F629449 - THERMOSWITCH       - Replaced by -F629449-2
 

F629449 - F6294492, NLA [ More info ]
Unavailable
THERMOSWITCH F629449-2
F629449-2

About Mercury Marine

OEM Part

F629449-2 - ThermoSwitch [ More info ]

Add to shopping cart $83.62
4 In Stock.

#21 F295175 WASHER, THERMOSWITCH (1 required per assembly)
WASHER,NLA 12-F295175
 

About Mercury Marine

OEM Part

12-F295175 - Washer, NLA [ More info ]

Add to shopping cart $1.25
10+ In Stock.

#22 F1502 SCREW, CYLINDER HEAD COVER TO CYLINDER HEAD (2 required per assembly)
1098254 F1502
 

About Mercury Marine

OEM Part

F1502 - Screw [ More info ]

Add to shopping cart $0.30
9 In Stock.

SCREW (.250-20 x .620) 10-98254
10-98254

About Mercury Marine

OEM Part

10-98254 - Screw [ More info ]

Add to shopping cart $0.60
Available to Order: Usually ships within 10 days.

#23 33-82371M SPARK PLUG, UL-81-J (2 required per assembly)
33-82371M - SPARK PLUG         - Replaced by 33-8M0114739
33-82371M

33-82371M - NGK B7HS - Priced Individually [ More info ]
Unavailable
SP B7HS-82 33-8M0114739
 

About Mercury Marine

OEM Part

33-8M0114739 - Spark Plug B7HS-82 - Priced Individually [ More info ]

Add to shopping cart $6.30
Available to Order: Usually ships within 10 days.

NGK PLUG(5110) B7HS
B7HS

About NGK Spark Plugs

OEM Match

B7HS - NGK Spark Plug, 5110 [ More info ]

Add to shopping cart $3.99 $3.89
10+ In Stock.

CHAMPION PLUG (#811M) L82C
L82C

About Champion Spark Plugs

OEM Match

L82C - Champion Spark Plug ( #811M) [ More info ]

Add to shopping cart $3.73 $3.40
10+ In Stock.

#24 F658504 WASHER, THERMOSTAT (1 required per assembly)
WASHER 12-F658504
12-F658504

About Mercury Marine

OEM Part

12-F658504 - Washer, Thermostat [ More info ]

Add to shopping cart $6.50
3 In Stock.

#25 F97068-2 THERMOSTAT (1 required per assembly)
F97068-2 - THERMOSTAT 54C (1  - Replaced by -895338
F97068-2

F97068-2 - Thermostat, 130 Degree [ More info ]
Unavailable
THERMOSTAT-130 895338
895338

About Mercury Marine

OEM Part

895338 - Thermostat, 130 Degrees [ More info ]

Add to shopping cart $43.35
5 In Stock.

THERMOSTAT 130
18-3556

About Sierra Marine

OEM Match

18-3556 - Thermostat, 130 Degrees, F97068-2 [ More info ]

Add to shopping cart $38.19 $34.58
3 In Stock.

#26 F658268 SPRING, THERMOSTAT (1 required per assembly)
24-F658268 - SPRING             NLA
 

About Mercury Marine

OEM Part

24-F658268 - Spring [ More info ]
Unavailable
#27 F97067 GASKET, THERMOSTAT COVER (1 required per assembly)
27819377 27-F97067
 

About Mercury Marine

OEM Part

27-F97067 - Gasket [ More info ]

Add to shopping cart $0.54
7 In Stock.

GASKET 27-819377
27-819377

About Mercury Marine

OEM Part

27-819377 - Thermostat Cover Gasket [ More info ]

Add to shopping cart $2.50
6 In Stock.

#28 F658066 COVER, THERMOSTAT (1 required per assembly)
F658066 - COVER-THERMOSTAT   NLA
 

About Mercury Marine

OEM Part

F658066 - Thermostat Cover, NLA [ More info ]
Unavailable
#29 F1995 SCREW, THERMOSTAT COVER TO CYLINDER HEAD #10-24 X 1 (3 required per assembly)
1068918 10-F1995
 

About Mercury Marine

OEM Part

10-F1995 - Screw [ More info ]

Add to shopping cart $0.30
3 In Stock.

SCREW (#10-24 x 1.00) 10-68918
10-68918

About Mercury Marine

OEM Part

10-68918 - Screw [ More info ]

Add to shopping cart $3.20 $1.79
10+ In Stock.

#30 F658418 TUBE, COOLING SYSTEM (1 required per assembly)
TUBE-COOLING,NLA 32-F658418
 

About Mercury Marine

OEM Part

32-F658418 - Tube - Cooling, NLA [ More info ]

Add to shopping cart $3.75
10+ In Stock.

#31 F19109 PLUG (1 required per assembly)
F19109 - PLUG               - Replaced by 22-47945
 

F19109 - Plug - (1/8-27 NPT) [ More info ]
Unavailable
PLUG,NLA 22-47945
22-47945

About Mercury Marine

OEM Part

22-47945 - Pipe Plug [ More info ]

Add to shopping cart $5.54
2 In Stock.

#32 F8559 PIN, DOWEL (2 required per assembly)
PIN-DOWEL 17-F8559
 

About Mercury Marine

OEM Part

17-F8559 - Pin, Dowel [ More info ]

Add to shopping cart $1.30
10 In Stock.

#33 F8096 LOCKWASHER, SPRING (1 required per assembly)
F8096 - LOCKWASHER (.312)  - Replaced by 13-53166
 

F8096 - LockWasher - Priced Individually [ More info ]
Unavailable
LOCKWASHER 13-53166
 

About Mercury Marine

OEM Part

13-53166 - LockWasher - Priced Individually [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#34 F1857 SCREW, HEX CAP, 5/16 - 18 X 5/8 (1 required per assembly)
1090285 10-F1857
 

About Mercury Marine

OEM Part

10-F1857 - Screw SS [ More info ]

Add to shopping cart $0.60
4 In Stock.

SCREW (.312-18 x .625) 10-90285
10-90285

About Mercury Marine

OEM Part

10-90285 - Screw [ More info ]

Add to shopping cart $1.70
Available to Order: Usually ships within 10 days.

#35 FG1024 GASKET SET (1 required per assembly) ):
FG10241 FG1024
 

About Mercury Marine

OEM Part

FG1024 - Gasket Set [ More info ]

Add to shopping cart $38.89
3 In Stock.

27809752A1 FG1024-1
 

About Mercury Marine

OEM Part

FG1024-1 - Gasket Set [ More info ]

Add to shopping cart $44.65
1 In Stock.

27-809752A1 - GASKET SET             NLA
 

About Mercury Marine

OEM Part

27-809752A 1 - Gasket Set [ More info ]
Unavailable
#36 F40909 PIN, LOCATING (1 required per assembly)
PIN-LOCATING,NLA 17-F40909
 

About Mercury Marine

OEM Part

17-F40909 - Locating Pin, NLA [ More info ]

Add to shopping cart $1.25
10+ In Stock.


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