Logo

Parts for Force 50 HP (1990) Cylinder Block, Head & Exhaust Chest Cover

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 FA691010 CYLINDER W/CRANKCASE COVER AND DEFLECTOR PLATE (1 required per assembly)
CYLINDER ASSY     O - Replaced by 800-FA718010  
FA691010This part has been superseded. CYLINDER ASSY O - Replaced by 800-FA718010
(more info)
    UnavailableUnavailable Parts
CYLINDER ASSY     O - Replaced by -FC718010  
800-FA718010This part has been superseded. CYLINDER ASSY O - Replaced by -FC718010
(more info)
    UnavailableUnavailable Parts
SHORT BLOCK       O - Replaced by 800-818152A 7  
FC718010This part has been superseded. SHORT BLOCK O - Replaced by 800-818152A 7
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSY-50 O - Replaced by 800-818152A15  
800-818152A 7This part has been superseded. POWERHEAD ASSY-50 O - Replaced by 800-818152A15
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSY    O - Replaced by 800-818152A17  
800-818152A15This part has been superseded. POWERHEAD ASSY O - Replaced by 800-818152A17
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSY    O - Replaced by 800-818152A19  
800-818152A17This part has been superseded. POWERHEAD ASSY O - Replaced by 800-818152A19
(more info)
    UnavailableUnavailable Parts
POWERHEAD KIT     O NLA  
800-818152A19 POWERHEAD KIT O NLA
(more info)
    UnavailableUnavailable Parts
#-- FC691010 SHORT BLOCK, CONTAINS CYLINDER, CRANKSHAFT, PISTONS & PINS (1 required per assembly)
SHORT BLOCK       O - Replaced by -FC718010  
FC691010This part has been superseded. SHORT BLOCK O - Replaced by -FC718010
(more info)
    UnavailableUnavailable Parts
#2 F691154 GASKET, EXHAUST PORT PLATE (2 required per assembly)
GASKET 27-F691154 27-F691154
27-F691154OEM Part 27-F691154 - Gasket (more info) About Mercury Marine $15.70 $15.70 Add to shopping cart
3 in stock. Explain stock levels
#3 F691151 PLATE, EXHAUST PORT (1 required per assembly)
PLATE-EXHAUST     O - Replaced by -F691151-1  
F691151This part has been superseded. PLATE-EXHAUST O - Replaced by -F691151-1
(more info)
    UnavailableUnavailable Parts
PLATE-EXHAUST     O - Replaced by -819913  4  
F691151-1This part has been superseded. PLATE-EXHAUST O - Replaced by -819913 4
(more info)
    UnavailableUnavailable Parts
PLATE-EXHAUST,NLA 819913  4  
819913 4OEM Part 819913 4 - Exhaust Plate, NLA (more info) About Mercury Marine $94.00 $94.00 Add to shopping cart
6 in stock. Explain stock levels
#4 F691152 COVER, EXHAUST PORT (1 required per assembly)
COVER-EXHAUST     O - Replaced by 1000-819269  
F691152This part has been superseded. COVER-EXHAUST O - Replaced by 1000-819269
(more info)
    UnavailableUnavailable Parts
COVER-EXHAUST     O - Replaced by 1000-819269  1  
1000-819269This part has been superseded. COVER-EXHAUST O - Replaced by 1000-819269 1
(more info)
    UnavailableUnavailable Parts
COVER-EXHAUST,NLA 1000-819269  1  
1000-819269 1OEM Part 1000-819269 1 - Exhaust Cover, NLA (more info) About Mercury Marine $37.50 $37.50 Add to shopping cart
10+ in stock. Explain stock levels
#5 F1972 SCREW, EXHAUST PORT, 1/4 - 20 X 2-1/2 HEX HD. (15 required per assembly)
SCREW-SS,NLA 10-F1972  
10-F1972OEM Part 10-F1972 - Screw -ss, NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
6 in stock. Explain stock levels
#6 F1238 SCREW, 1/4 - 20 X 3/4 (2 required per assembly)
SCREW             O - Replaced by 10-49668  
F1238This part has been superseded. SCREW O - Replaced by 10-49668
(more info)
    UnavailableUnavailable Parts
SCREW (.250-20 x 10-49668 10-49668
10-49668OEM Part 10-49668 - Screw - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#7 F184122-1 SEAL, CRANKCASE PARTING LINE (1 required per assembly)
SEAL-(RED)        O F184122-1
F184122-1 SEAL-(RED) O
(more info)
    UnavailableUnavailable Parts
#8 F2228 SCREW, CRANKCASE COVER TO CYLINDER (2 required per assembly) 3/8 - 16 X 3 AT UPPER MAIN
SCREW             O - Replaced by 10-834892  
10-F2228This part has been superseded. SCREW O - Replaced by 10-834892
(more info)
    UnavailableUnavailable Parts
SCREW             O NLA  
10-834892 SCREW O NLA
(more info)
    UnavailableUnavailable Parts
#9 10-812567 SCREW, CRANKCASE COVER TO CYLINDER (4 required per assembly) 3/8 - 16 X 1-5/8 AT CENTER & LOWER MAIN ORIGINAL FORCE P/N 2246
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
#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, 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, 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 F691529 GASKET, CYLINDER HEAD (1 required per assembly)
GASKET            O - Replaced by 27-F691529-1 F691529
F691529This part has been superseded. GASKET O - Replaced by 27-F691529-1
(more info)
    UnavailableUnavailable Parts
GASKET 27-F691529-1 27-F691529-1
27-F691529-1OEM Part 27-F691529-1 - Gasket (more info) About Mercury Marine $33.25 $33.25 Add to shopping cart
1 in stock. Explain stock levels
#14 F691518 HEAD, CYLINDER (1 required per assembly)
HEAD-CYLINDER     O - Replaced by 900-F691518-1  
F691518This part has been superseded. HEAD-CYLINDER O - Replaced by 900-F691518-1
(more info)
    UnavailableUnavailable Parts
HEAD-CYLINDER 900-F691518-1  
900-F691518-1OEM Part 900-F691518-1 - Cylinder Head (more info) About Mercury Marine $218.25 $218.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#15 F691995 COVER, CYLINDER HEAD (1 required per assembly)
COVER-CYL HEAD    O NLA  
1000-F691995 COVER-CYL HEAD O NLA
(more info)
    UnavailableUnavailable Parts
#16 F1987 WASHER CYLINDER HEAD BOLTS (10 required per assembly)
WASHER            O - Replaced by 12-34437  
F1987This part has been superseded. WASHER O - Replaced by 12-34437
(more info)
    UnavailableUnavailable Parts
WASHER Note: must be ordered in multiples of 2 12-34437  
12-34437OEM Part 12-34437 - Washer - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#17 F2254 SCREW, CYLINDER HEAD AND COVER TO CYLINDER 5/16 - 18 X 2-1/2 (10 required per assembly)
SCREW 10-F2254 10-F2254
10-F2254OEM Part 10-F2254 - Screw (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
7 in stock. Explain stock levels
#18 F658449-1 THERMOSWITCH W/WIRE (1 required per assembly)
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 F428096 RETAINING RING (1 required per assembly)
RING Retaining 53-F428096  
53-F428096OEM Part 53-F428096 - Retainer (more info) About Mercury Marine $0.90 $0.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#20 F1502 SCREW, CYLINDER HEAD COVER 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 33-818007 1 SPARK PLUG, UL-18V (2 required per assembly)
SPARK PLUG @8     O - Replaced by 33-824  
33-818007 1This part has been superseded. SPARK PLUG @8 O - Replaced by 33-824
(more info)
    UnavailableUnavailable Parts
SP #UL18V @8      O - Replaced by 33-896329824  
33-824This part has been superseded. SP #UL18V @8 O - Replaced by 33-896329824
(more info)
    UnavailableUnavailable Parts
SP #UL18V Note: must be ordered in multiples of 4 33-896329824 33-896329824
33-896329824OEM Part 33-896329824 - Spark Plug - UL18V Note: - Priced Individually (more info) About Mercury Marine $5.90 $5.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
NGK BUHX/2522 SPARK PLUG (10) BUHX
BUHXOEM Match BUHX - NGK Spark Plug, 2522 (more info)
Replaces OEM #0509580
About NGK Spark Plugs $3.33 Add to shopping cart
8 in stock. Explain stock levels
SPARK PLUG CHAMPION UL18V UL18V
UL18VOEM Match UL18V - Champion Spark Plug ( #824) (more info)
Replaces OEM #0502191
About Champion Spark Plugs $3.28 Add to shopping cart
10+ 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
1 in stock. Explain stock levels
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
10+ 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 FG1029 GASKET SET (1 required per assembly)
GASKET SET        O - Replaced by -FG1029-1  
FG1029This part has been superseded. GASKET SET O - Replaced by -FG1029-1
(more info)
    UnavailableUnavailable Parts
GASKET SET        O - Replaced by 27-820467A 1  
FG1029-1This part has been superseded. GASKET SET O - Replaced by 27-820467A 1
(more info)
    UnavailableUnavailable Parts
GASKET SET        O - Replaced by 27-809746A 1  
27-820467A 1This part has been superseded. GASKET SET O - Replaced by 27-809746A 1
(more info)
    UnavailableUnavailable Parts
GASKET SET 27-809746A 1  
27-809746A 1OEM Part 27-809746A 1 - Gasket Set (more info) About Mercury Marine $121.92 $121.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#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
#36 F691153 GASKET, EXHAUST PORT COVER (1 required per assembly)
GASKET 27-F691153 27-F691153
27-F691153OEM Part 27-F691153 - Gasket (more info) About Mercury Marine $9.10 $9.10 Add to shopping cart
3 in stock. Explain stock levels
#37 F685387-2 DECAL, US MARINE (1 required per assembly)
DECAL-(BLUE),NLA 37-F685387-2  
37-F685387-2OEM Part 37-F685387-2 - Decal - (Blue), NLA (more info) About Mercury Marine $2.50 $2.50 Add to shopping cart
2 in stock. Explain stock levels
#38 F307942-1 BUMPER (2 required per assembly)
BUMPER            O - Replaced by -F307942-2  
F307942-1This part has been superseded. BUMPER O - Replaced by -F307942-2
(more info)
    UnavailableUnavailable Parts
BUSHING,NLA F307942-2  
F307942-2OEM Part F307942-2 - Bushing, NLA (more info) About Mercury Marine $1.50 $1.50 Add to shopping cart
10+ in stock. Explain stock levels