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Parts for Force 50 HP (1988) Cylinder Block, Head & Exhaust Chest Cover

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 FA658010 CYLINDER W/CRANKASE COVER AND DEFLECTOR PLATE (1 required per assembly)
CYLINDER KIT      O - Replaced by 800-817867A 1  
FA658010This part has been superseded. CYLINDER KIT O - Replaced by 800-817867A 1
(more info)
    UnavailableUnavailable Parts
CYLINDER KIT      O - Replaced by 800-820260A 1  
800-817867A 1This part has been superseded. CYLINDER KIT O - Replaced by 800-820260A 1
(more info)
    UnavailableUnavailable Parts
BLOCK ASY-W/O ELE O NLA  
800-820260A 1 BLOCK ASY-W/O ELE O NLA
(more info)
    UnavailableUnavailable Parts
#- FC658010 SHORT BLOCK. (1 required per assembly) INCLUDES ALL ITEMS MARKED WITH AN (*). ALSO REFER TO CRANKSHAFT PAGE.
SHORT BLOCK       O - Replaced by 800-817917A 1  
FC658010This part has been superseded. SHORT BLOCK O - Replaced by 800-817917A 1
(more info)
    UnavailableUnavailable Parts
SHORT BLOCK       O - Replaced by 800-820260A 1  
800-817917A 1This part has been superseded. SHORT BLOCK O - Replaced by 800-820260A 1
(more info)
    UnavailableUnavailable Parts
#2 F40154-4 GASKET, EXHAUST PORT PLATE (2 required per assembly)
GASKET 27-F40154-4 27-F40154-4
27-F40154-4OEM Part 27-F40154-4 - Gasket, NLA (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#3 F40151-2 PLATE, EXHAUST PORT (1 required per assembly)
PLATE-EXHAUST,NLA F40151-2 F40151-2
F40151-2OEM Part F40151-2 - Exhaust Plate, NLA (more info) About Mercury Marine $32.50 $32.50 Add to shopping cart
10+ in stock. Explain stock levels
#4 F658152 COVER, EXHAUST PORT (1 required per assembly)
COVER-EXHAUST     O - Replaced by -F658152-1  
F658152This part has been superseded. COVER-EXHAUST O - Replaced by -F658152-1
(more info)
    UnavailableUnavailable Parts
COVER-EXHAUST     O NLA  
F658152-1 COVER-EXHAUST O NLA
(more info)
    UnavailableUnavailable Parts
#5 F1971 SCREW, EXHAUST PORT 1/4 - 20 X 1/8 HEX HD. (9 required per assembly)
SCREW-SS,NLA 10-F1971  
10-F1971OEM Part 10-F1971 - Screw -ss, NLA (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
#6 F1974 SCREW, TERMINAL BLOCK MTG., #10 - 24 X 5/8 SL PAN HD. (2 required per assembly)
SCREW-SS,NLA 10-F1974  
10-F1974OEM Part 10-F1974 - Screw -ss, NLA (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
10+ in stock. Explain stock levels
#7 F184122-1 SEAL, CRANKASE PARTING LINE (1 required per assembly)
SEAL-(RED)        O F184122-1
F184122-1 SEAL-(RED) O
(more info)
    UnavailableUnavailable Parts
#8 F1879 SCREW, CRANKCASE COVER TO CYLNDR 3/8 - 16 X 1 5/8 HEX SOC HD (5 required per assembly)
SCREW             O - Replaced by -F2246  
F1879This part has been superseded. SCREW O - Replaced by -F2246
(more info)
    UnavailableUnavailable Parts
SCREW             O - Replaced by 10-812567  
F2246This part has been superseded. SCREW O - Replaced by 10-812567
(more info)
    UnavailableUnavailable Parts
SCREW (.375-16 x 10-812567 10-812567
10-812567OEM Part 10-812567 - Screw (more info) About Mercury Marine $6.25 $6.25 Add to shopping cart
1 in stock. Explain stock levels
#9 F1646 SCREW, CRANKCASE COVER TO CYLINDER 3/8 - 16 X 2 1/4 H SOC (1 required per assembly)
SCREW             O - Replaced by 10-85577  
F1646This part has been superseded. SCREW O - Replaced by 10-85577
(more info)
    UnavailableUnavailable Parts
SCREW             O NLA  
10-85577 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#10 F463314 ELBOW, CHECK VALVE (1 required per assembly)
CHECK VALVE,NLA 21-F463314  
21-F463314OEM Part 21-F463314 - Check Valve, NLA (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
10+ in stock. Explain stock levels
#11 F1922 SCREW, CRANKCASE TO CYLINDER, SMALL HD. 1/4 - 20 X 5/8 (3 required per assembly)
SCREW,NLA 10-F1922  
10-F1922OEM Part 10-F1922 - Screw, NLA (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
10+ in stock. Explain stock levels
#12 F1864 SCREW, CRANKCASE TO CYLINDER, LARGE HD. 1/4 - 20 X 3/4 (9 required per assembly)
SCREW SS          O - Replaced by 10-28636  
10-F1864This part has been superseded. SCREW SS O - Replaced by 10-28636
(more info)
    UnavailableUnavailable Parts
SCREW (.250-20 x 10-28636 10-28636
10-28636OEM Part 10-28636 - Screw - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#13 F658529 GASKET, CYLINDER HEAD (1 required per assembly)
GASKET 27-F658529 27-F658529
27-F658529OEM Part 27-F658529 - Gasket (more info) About Mercury Marine $30.33 $30.33 Add to shopping cart
Available to order:
Usually ships
within 8 days
Head Gasket 18-3854
18-3854OEM Match 18-3854 - Gasket 27-F658529 (more info) About Sierra Marine $34.49 $27.14 Add to shopping cart
Available to order:
Usually ships
within 8 days
#14 F658518 HEAD, CYLINDER (1 required per assembly)
HEAD-CYLINDER     O NLA  
900-F658518 HEAD-CYLINDER O NLA
(more info)
    UnavailableUnavailable Parts
#15 F658995 COVER, CYLINDER HEAD (1 required per assembly)
COVER-CYL HEAD    O - Replaced by -F658995-1  
F658995This part has been superseded. COVER-CYL HEAD O - Replaced by -F658995-1
(more info)
    UnavailableUnavailable Parts
COVER-CYL HEAD,NLA F658995-1  
F658995-1OEM Part F658995-1 - Cylinder Head Cover, NLA (more info) About Mercury Marine $75.00 $75.00 Add to shopping cart
10 in stock. Explain stock levels
#16 F8039 WASHER CYLINDER HEAD BOLTS (10 required per assembly)
WASHER            O - Replaced by -F2014  
12-F8039This part has been superseded. WASHER O - Replaced by -F2014
(more info)
    UnavailableUnavailable Parts
WASHER SS         O - Replaced by 12-34931  
F2014This part has been superseded. WASHER SS O - Replaced by 12-34931
(more info)
    UnavailableUnavailable Parts
WASHER (.406 x .7 12-34931  
12-34931OEM Part 12-34931 - Washer (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
10+ in stock. Explain stock levels
#17 F2091 SCREW, CYLINDER HEAD AND COVER TO CYLINDER (10 required per assembly)
SCREW             O NLA  
10-F2091 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#18 F658449 THERMOSWITCH W/WIRE (1 required per assembly)
THERMOSWITCH      O - Replaced by -F658449-1  
F658449This part has been superseded. THERMOSWITCH O - Replaced by -F658449-1
(more info)
    UnavailableUnavailable Parts
THERMOSWITCH      O - Replaced by 87-F658449-2  
F658449-1This part has been superseded. THERMOSWITCH O - Replaced by 87-F658449-2
(more info)
    UnavailableUnavailable Parts
THERMOSWITCH 87-F658449-2 87-F658449-2
87-F658449-2OEM Part 87-F658449-2 - ThermoSwitch (more info) About Mercury Marine $54.83 $54.83 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 F658208 RETAINING RING (1 required per assembly)
RING              O NLA  
53-F658208 RING O NLA
(more info)
    UnavailableUnavailable Parts
#20 F1502 SCREW, CYLINDER HEAD TO CYLINDER HEAD (2 required per assembly)
SCREW             O - Replaced by 10-98254  
F1502This part has been superseded. SCREW O - Replaced by 10-98254
(more info)
    UnavailableUnavailable Parts
SCREW (.250-20 x 10-98254 10-98254
10-98254OEM Part 10-98254 - Screw (more info) About Mercury Marine $0.40 $0.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#21 33-82370M SPARK PLUG, L-82-C (2 required per assembly)
NGK B6HS @10      O - Replaced by 33-82370M 1  
33-82370MThis part has been superseded. NGK B6HS @10 O - Replaced by 33-82370M 1
(more info)
    UnavailableUnavailable Parts
NGK B6HS @4       O 33-82370M 1
33-82370M 1 NGK B6HS @4 O
(more info)
    UnavailableUnavailable Parts
NGK B6HS/7534 SPARK PLUG (4) B6HS
B6HSOEM Match B6HS - NGK Spark Plug B6HS, BRP 509567 (more info)
Replaces OEM #0509567
About NGK Spark Plugs $2.65 Add to shopping cart
10+ in stock. Explain stock levels
SPARK PLUG CHAMPION L86C L86C
L86COEM Match L86C - Champion Spark Plug ( #306) (more info)
Replaces OEM #0502177
About Champion Spark Plugs $2.35 Add to shopping cart
5 in stock. Explain stock levels
#22 F658504 WASHER, THERMOSTAT (1 required per assembly)
WASHER 12-F658504 12-F658504
12-F658504OEM Part 12-F658504 - Washer (more info) About Mercury Marine $4.60 $4.60 Add to shopping cart
4 in stock. Explain stock levels
#23 F97068-2 THERMOSTAT (1 required per assembly)
THERMOSTAT-130    O - Replaced by -895338 F97068-2
F97068-2This part has been superseded. THERMOSTAT-130 O - Replaced by -895338
(more info)
    UnavailableUnavailable Parts
THERMOSTAT 62 C ( 895338 895338
895338OEM Part 895338 - Thermostat -130 (more info) About Mercury Marine $22.58 $22.58 Add to shopping cart
Available to order:
Usually ships
within 8 days
Thermostat (130) 18-3556
18-3556OEM Match 18-3556 - Thermostat F97068-2 (more info) About Sierra Marine $22.49 $18.40 Add to shopping cart
8 in stock. Explain stock levels
#24 F658268 SPRING, THERMOSTAT (1 required per assembly)
SPRING,NLA 24-F658268  
24-F658268OEM Part 24-F658268 - Spring (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
1 in stock. Explain stock levels
#25 F97067 GASKET, THERMOSTAT COVER (1 required per assembly)
GASKET            O - Replaced by 27-819377  
27-F97067This part has been superseded. GASKET O - Replaced by 27-819377
(more info)
    UnavailableUnavailable Parts
GASKET 27-819377 27-819377
27-819377OEM Part 27-819377 - Gasket (more info) About Mercury Marine $1.80 $1.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
Gasket 18-0873-9
18-0873-9OEM Match 18-0873-9 - Gasket 27-819377 2-Pack (more info) About Sierra Marine $4.98 $4.60 Add to shopping cart
Available to order:
Usually ships
within 8 days
#26 F658066 COVER, THERMOSTAT (1 required per assembly)
COVER-THERMOSTAT  O NLA  
F658066 COVER-THERMOSTAT O NLA
(more info)
    UnavailableUnavailable Parts
#27 F1995 SCREW, THERMOSTAT COVER TO CYLINDER HEAD #10 - 24 X 1 (3 required per assembly)
SCREW-SS          O - Replaced by 10-68918  
10-F1995This part has been superseded. SCREW-SS O - Replaced by 10-68918
(more info)
    UnavailableUnavailable Parts
SCREW (#10-24 x 1 10-68918 10-68918
10-68918OEM Part 10-68918 - Screw (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#28 F658418 TUBE, COOLING SYSTEM (1 required per assembly)
TUBE-COOLING,NLA 32-F658418  
32-F658418OEM Part 32-F658418 - Tube - Cooling, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#29 F19109 PLUG (1 required per assembly)
PLUG-(1/8-27 NPT) O - Replaced by 22-47945  
F19109This part has been superseded. PLUG-(1/8-27 NPT) O - Replaced by 22-47945
(more info)
    UnavailableUnavailable Parts
PLUG 22-47945 22-47945
22-47945OEM Part 22-47945 - Pipe Plug (more info) About Mercury Marine $1.60 $1.60 Add to shopping cart
3 in stock. Explain stock levels
#30 F8559 PIN, DOWEL (2 required per assembly)
PIN 17-F8559  
17-F8559OEM Part 17-F8559 - Pin -Dowel (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
6 in stock. Explain stock levels
#31 F8096 LOCKWASHER, SPRING (1 required per assembly)
LOCKWASHER        O - Replaced by 13-53166  
F8096This part has been superseded. LOCKWASHER O - Replaced by 13-53166
(more info)
    UnavailableUnavailable Parts
LOCKWASHER (.312) 13-53166  
13-53166OEM Part 13-53166 - LockWasher - Priced Individually (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
10+ in stock. Explain stock levels
#32 F1857 SCREW, HEX CAP, 5/16 - 18 X 5/8 (1 required per assembly)
SCREW SS          O - Replaced by 10-90285  
10-F1857This part has been superseded. SCREW SS O - Replaced by 10-90285
(more info)
    UnavailableUnavailable Parts
SCREW (.312-18 x 10-90285 10-90285
10-90285OEM Part 10-90285 - Screw (more info) About Mercury Marine $1.40 $1.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#33 FG1024 GASKET, SET. (1 required per assembly)
GASKET SET        O - Replaced by -FG1024-1  
FG1024This part has been superseded. GASKET SET O - Replaced by -FG1024-1
(more info)
    UnavailableUnavailable Parts
GASKET SET        O - Replaced by 27-809752A 1  
FG1024-1This part has been superseded. GASKET SET O - Replaced by 27-809752A 1
(more info)
    UnavailableUnavailable Parts
GASKET SET        O NLA  
27-809752A 1 GASKET SET O NLA
(more info)
    UnavailableUnavailable Parts
# F40223 GASKET, TRANSFER PORT COVER (2 required per assembly)
GASKET            O - Replaced by 27-820500 27-F40223
27-F40223This part has been superseded. GASKET O - Replaced by 27-820500
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-820500A 3 27-820500
27-820500This part has been superseded. GASKET O - Replaced by 27-820500A 3
(more info)
    UnavailableUnavailable Parts
GASKET KIT 27-820500A 3 27-820500A 3
27-820500A 3OEM Part 27-820500A 3 - Gasket Kit (more info) About Mercury Marine $11.70 $11.70 Add to shopping cart
5 in stock. Explain stock levels
Gasket 18-0869-9
18-0869-9OEM Match 18-0869-9 - Gasket 27-F40223 2-Pack (more info) About Sierra Marine $23.98 $18.89 Add to shopping cart
Available to order:
Usually ships
within 8 days
# F40833-4 GASKET, IDLE RELIEF COVER (1 required per assembly)
GASKET,NLA 27-F40833-4 27-F40833-4
27-F40833-4OEM Part 27-F40833-4 - Gasket (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
# F40906-1 GASKET, CARBURETOR (1 required per assembly)
GASKET            O - Replaced by 27-F85906 F40906-1
F40906-1This part has been superseded. GASKET O - Replaced by 27-F85906
(more info)
    UnavailableUnavailable Parts
GASKET            O - Replaced by 27-828925 27-F85906
27-F85906This part has been superseded. GASKET O - Replaced by 27-828925
(more info)
    UnavailableUnavailable Parts
GASKET 27-828925 27-828925
27-828925OEM Part 27-828925 - Gasket (more info) About Mercury Marine $1.20 $1.20 Add to shopping cart
10 in stock. Explain stock levels
Gasket 18-0960-9
18-0960-9OEM Match 18-0960-9 - Gasket (2PK)27-F85906 (more info) About Sierra Marine $3.98 $2.19 Add to shopping cart
Available to order:
Usually ships
within 8 days
# F93472-1 GASKET, CYLINDER DRAIN COVER (1 required per assembly)
GASKET 27-F93472-1 27-F93472-1
27-F93472-1OEM Part 27-F93472-1 - Gasket (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
# F93748-1 GASKET, CYLINDER DRAIN REED PLATE (1 required per assembly)
GASKET 27-F93748-1 27-F93748-1
27-F93748-1OEM Part 27-F93748-1 - Gasket (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
# F307279-2 GASKET, CYLINDER EXHAUST-UPPER (1 required per assembly)
# F40279-1 GASKET, CYLINDER EXHAUST-LOWER (1 required per assembly)
# F366277 GASKET, BEARING CAGE (1 required per assembly)
GASKET,NLA 27-F366277 27-F366277
27-F366277OEM Part 27-F366277 - Gasket (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels
# F433168 GASKET, CARBURETOR ADAPTER (1 required per assembly)
GASKET Carburetor 27-F433168 27-F433168
27-F433168OEM Part 27-F433168 - Gasket (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
# F433406 GASKET, DEFLECTOR PLATE (1 required per assembly)
GASKET 27-F433406 27-F433406
27-F433406OEM Part 27-F433406 - Gasket (more info) About Mercury Marine $3.50 $2.37 Add to shopping cart
10+ in stock. Explain stock levels
#34 F40909 PIN, LOCATING (1 required per assembly)
PIN-LOCATING,NLA 17-F40909  
17-F40909OEM Part 17-F40909 - Locating Pin, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels