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Parts for Force 90 HP (1991) Power Head

# 800-817608A 6 SHORT BLOCK (1 required per assembly)
800-817608A 6 - SHORT BLOCK        - Replaced by 800-817608A17
 

800-817608A 6 - Powerhead [ More info ]
Unavailable
800-817608A17 - POWERHEAD ASSEMBL  - Replaced by 800-817608A20
 

800-817608A17 - Powerhead [ More info ]
Unavailable
800-817608A20 - POWERHEAD ASSY     - Replaced by 800-817608A22
 

800-817608A20 - Powerhead [ More info ]
Unavailable
800-817608A22 - POWERHEAD KIT      NLA
 

About Mercury Marine

OEM Part

800-817608A22 - Powerhead KIT,NLA [ More info ]
Unavailable
#1 F2051 SCREW, 1/4 - 20 X 2-1/4 (21 required per assembly)
SCREW,NLA 10-F2051
 

About Mercury Marine

OEM Part

10-F2051 - Screw, NLA [ More info ]

Add to shopping cart $1.50
10+ In Stock.

#2 F692152 COVER, EXHAUST PORT (1 required per assembly)
803932T F692152
F692152

About Mercury Marine

OEM Part

F692152 - Exhaust Cover [ More info ]

Add to shopping cart $74.40
1 In Stock.

COVER-EXHAUST 803932T
803932T

About Mercury Marine

OEM Part

803932T - Exhaust Cover [ More info ]

Add to shopping cart $35.56
10+ In Stock.

#3 F692154-1 GASKET, EXHAUST PORT PLATE (2 required per assembly)
F692154-1 - GASKET Exhaust Po  - Replaced by 27-819023
 

F692154-1 - Exhaust Port Plate Gasket [ More info ]
Unavailable
278190231 27-819023
27-819023

About Mercury Marine

OEM Part

27-819023 - Exhaust Port Plate Gasket [ More info ]

Add to shopping cart $13.33
1 In Stock.

GASKET 27-8190231
27-8190231

About Mercury Marine

OEM Part

27-819023 1 - Exhaust Port Plate Gasket [ More info ]

Add to shopping cart $21.59
4 In Stock.

#4 F699151 PLATE, EXHAUST PORT (1 required per assembly)
F699151 - PLATE-EXHAUST      - Replaced by 1000-819283
 

F699151 - PLATE-EXHAUST [ More info ]
Unavailable
1000-819283 - PLATE-EXHAUST      - Replaced by 1000-8192831
 

1000-819283 - PLATE-EXHAUST [ More info ]
Unavailable
PLATE-EXHAUST 1000-8192831
1000-8192831

About Mercury Marine

OEM Part

1000-819283 1 - Exhaust Plate [ More info ]

Add to shopping cart $49.33
Available to Order: Usually ships within 10 days.

#5 F2090 PLUG (1 required per assembly)
PLUG ,NLA 22-F2090
 

About Mercury Marine

OEM Part

22-F2090 - Plug, NLA [ More info ]

Add to shopping cart $4.00
2 In Stock.

#6 F529398-1 DECAL, WIRING (1 required per assembly)
DECAL-WIRING,NLA 37-F529398-1
 

About Mercury Marine

OEM Part

37-F529398-1 - DECAL-WIRING,NLA [ More info ]

Add to shopping cart $1.50
2 In Stock.

#12 F476067 GASKET, THERMOSTAT (1 required per assembly)
27-F476067 - GASKET             - Replaced by 27-828319
27-F476067

27-F476067 - Thermostat Cover Gasket [ More info ]
Unavailable
GASKET 27-828319
27-828319

About Mercury Marine

OEM Part

27-828319 - Thermostat Cover Gasket [ More info ]

Add to shopping cart $4.30
10 In Stock.

THERMOSTAT COVER GASKET 2
18-0854

About Sierra Marine

OEM Match

18-0854-9 - Gasket 27-828319 2-Pack [ More info ]

Add to shopping cart $8.99 $7.91
1 In Stock.

#13 F692995 COVER, CYLINDER HEAD (1 required per assembly)
1000-F692995 - COVER              NLA
1000-F692995

About Mercury Marine

OEM Part

1000-F692995 - Cylinder Head Cover [ More info ]
Unavailable
#14 F1502 SCREW, 1/4 - 20 X 5/8 (3 required per assembly)
1098254 F1502
 

About Mercury Marine

OEM Part

F1502 - Screw [ More info ]

Add to shopping cart $0.30
10+ 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.

#15 F1883 SCREW, 5/16 - 18 X 2-3/8 (14 required per assembly)
SCREW 10-F1883
10-F1883

About Mercury Marine

OEM Part

10-F1883 - Screw [ More info ]

Add to shopping cart $7.30
Available to Order: Usually ships within 10 days.

#16 F1987 WASHER (14 required per assembly)
F1987 - WASHER             - Replaced by 12-34437
 

F1987 - Washer - Priced Individually [ More info ]
Unavailable
WASHER 12-34437
 

About Mercury Marine

OEM Part

12-34437 - Washer (5/16 In. I.d.) [ More info ]

Add to shopping cart $2.80
Available to Order: Usually ships within 10 days.

#17 33-818007 1 SPARK PLUG (CHAMPION UL-18-V) (3 required per assembly)
33-818007  1 - SPARK PLUG         - Replaced by 33-824
33-818007  1

33-818007 1 - SPARK PLUG Note: Priced Individually [ More info ]
Unavailable
33-824 - SP #UL18V @8       - Replaced by 33-896329824
33-824

33-824 - Bracket, NLA [ More info ]
Unavailable
33-896329824 - SP #UL18V @4
33-896329824

About Mercury Marine

OEM Part

33-896329824 - Spark Plug - UL18V Note: - Priced Individually [ More info ]
Unavailable
NGK PLUG(2522) BUHX
BUHX

About NGK Spark Plugs

OEM Match

BUHX - NGK Spark Plug, 2522 [ More info ]

Add to shopping cart $4.91
10+ In Stock.

CHAMPION PLUG (#824) UL18V
UL18V

About Champion Spark Plugs

OEM Match

UL18V - Champion Spark Plug ( #824) [ More info ]

Add to shopping cart $5.73
10+ In Stock.

#18 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.

#19 F719518 HEAD, CYLINDER (1 required per assembly)
900-F719518 - HEAD-CYLINDER      - Replaced by 900-819857
 

900-F719518 - Cylinder Head [ More info ]
Unavailable
900819857A3 900-819857
900-819857

About Mercury Marine

OEM Part

900-819857 - Cylinder Head -90 HP [ More info ]

Add to shopping cart $59.00
10+ In Stock.

HEAD KIT-3 CYL 900-819857A3
900-819857A3

About Mercury Marine

OEM Part

900-819857A 3 - Head Kit -3 Cylinder [ More info ]

Add to shopping cart $99.99
10+ In Stock.

#20 F369529-3 GASKET, CYLINDER HEAD (1 required per assembly)
27-F369529-3 - GASKET             - Replaced by -F369529-1
 

27-F369529-3 - GASKET [ More info ]
Unavailable
GASKET 27-820438
27-820438

About Mercury Marine

OEM Part

27-820438 - Cylinder Head Gasket [ More info ]

Add to shopping cart $81.92
2 In Stock.

HEAD GASKET
18-3855

About Sierra Marine

OEM Match

18-3855 - Head Gasket, 27-820438 [ More info ]

Add to shopping cart $52.99 $47.61
4 In Stock.

#21 F40223 GASKET, TRANSFER PORT COVER (3 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
9 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.

#22 817790A 1 COVER, TRANSFER PORT (2 required per assembly)
COVER KIT-PORT 817790A 1
817790A 1

About Mercury Marine

OEM Part

817790A 1 - Cover Kit [ More info ]

Add to shopping cart $61.50
1 In Stock.

#24 F1504 SCREW, 1/4 - 20 X 1-1/4 (2 required per assembly)
SCREW-SS 10-F1504
10-F1504

About Mercury Marine

OEM Part

10-F1504 - Screw -ss [ More info ]

Add to shopping cart $2.70
Available to Order: Usually ships within 10 days.

#25 F8095 WASHER (8 required per assembly)
12-F8095 - WASHER             - Replaced by 12-25970
 

12-F8095 - WASHER [ More info ]
Unavailable
1220553 12-25970
 

About Mercury Marine

OEM Part

12-25970 - Washer - Priced Individually [ More info ]

Add to shopping cart $0.40
10+ In Stock.

WASHER 12-20553
12-20553

About Mercury Marine

OEM Part

12-20553 - Washer - Priced Individually [ More info ]

Add to shopping cart $1.40
10+ In Stock.

#26 F1872 SCREW, 3/8 - 16 X 1-3/4 (2 required per assembly)
1032132 10-F1872
 

About Mercury Marine

OEM Part

10-F1872 - Screw [ More info ]

Add to shopping cart $0.70
10+ In Stock.

SCREW (.375-16 x 1.750) 10-32132
10-32132

About Mercury Marine

OEM Part

10-32132 - Screw [ More info ]

Add to shopping cart $2.90
1 In Stock.

#27 F1009 SCREW, 3/8 - 16 X 2-3/4 (1 required per assembly)
1047688 10-F1009
 

About Mercury Marine

OEM Part

10-F1009 - Screw [ More info ]

Add to shopping cart $0.69
5 In Stock.

SCREW (.375-16 x 2.750) 10-47688
10-47688

About Mercury Marine

OEM Part

10-47688 - Screw [ More info ]

Add to shopping cart $3.50
Available to Order: Usually ships within 10 days.

#28 F1873 SCREW, 3/8 - 16 X 3 (4 required per assembly)
1053734 10-F1873
 

About Mercury Marine

OEM Part

10-F1873 - Screw [ More info ]

Add to shopping cart $0.70
10+ In Stock.

SCREW 10-53734
10-53734

About Mercury Marine

OEM Part

10-53734 - Screw [ More info ]

Add to shopping cart $0.50
10+ In Stock.

#29 F1999 SCREW, 1/4 - 20 X 7/8 (2 required per assembly)
1028668 10-F1999
 

About Mercury Marine

OEM Part

10-F1999 - Screw -ss [ More info ]

Add to shopping cart $1.10
10 In Stock.

SCREW 10-28668
10-28668

About Mercury Marine

OEM Part

10-28668 - Screw - Priced Individually [ More info ]

Add to shopping cart $1.60
Available to Order: Usually ships within 10 days.

#30 F85210 STUD (1 required per assembly)
16826394 16-F85210
 

About Mercury Marine

OEM Part

16-F85210 - STUD [ More info ]

Add to shopping cart $2.50
1 In Stock.

16-826394 - STUD (.375-16 x 3  - Replaced by 16-8263941
 

16-826394 - STUD [ More info ]
Unavailable
16-8263941 - ->8263942 - Replaced by -8263942
 

16-826394 1 - STUD [ More info ]
Unavailable
STUD 16-8263942
 

About Mercury Marine

OEM Part

16-826394 2 - Stud [ More info ]

Add to shopping cart $10.00
10+ In Stock.

#31 F698122 SEAL, CRANKCASE PARTING LINE (1 required per assembly)
SEAL-(BLACK) F698122
F698122

About Mercury Marine

OEM Part

F698122 - Crankcase Cover Seal - (Black) [ More info ]

Add to shopping cart $18.50
10+ In Stock.

#32 F8563 DOWEL PIN (2 required per assembly)
17-F8563 - PIN Dowel          - Replaced by 17-20433
 

17-F8563 - Pin -Dowel, NLA [ More info ]
Unavailable
PIN-DOWEL,NLA 17-20433
 

About Mercury Marine

OEM Part

17-20433 - Pin -Dowel, NLA [ More info ]

Add to shopping cart $1.50
10+ In Stock.

#33 F85279-2 GASKET, CYLINDER EXHAUST (2 required per assembly)
F85279-2 - GASKET Cylinder E  - Replaced by 27-819381
F85279-2

F85279-2 - Cylinder Exhaust Gasket [ More info ]
Unavailable
GASKET 27-819381
27-819381

About Mercury Marine

OEM Part

27-819381 - Spacer Plate Gasket [ More info ]

Add to shopping cart $22.53
8 In Stock.

#34 F692398-1 DECAL, WIRING (1 required per assembly)
DECAL-WIRING,NLA 37-F692398-1
 

About Mercury Marine

OEM Part

37-F692398-1 - Decal -Wiring, NLA [ More info ]

Add to shopping cart $2.50
10+ In Stock.

#35 FG1028-1 GASKET SET (1 required per assembly)
FG1028-1 - GASKET SET         - Replaced by 27-FG1028-2
 

FG1028-1 - 27FG10282 [ More info ]
Unavailable
27-FG1028-2 - GASKET SET         - Replaced by -FG1028-1
 

27-FG1028-2 - Powerhead Gasket Set [ More info ]
Unavailable
GASKET SET 27-809748A1
 

About Mercury Marine

OEM Part

27-809748A 1 - Gasket Set [ More info ]

Add to shopping cart $149.99
1 In Stock.

#36 F719943 TUBE, WATER JACKET (TOP) (1 required per assembly)
TUBE-WATER JACKET 32-F719943
 

About Mercury Marine

OEM Part

32-F719943 - Water Tube Jacket [ More info ]

Add to shopping cart $3.10
10+ In Stock.

#37 F719418 TUBE, WATER JACKET (2 required per assembly)
TUBE-WATER JACKET 32-F719418
 

About Mercury Marine

OEM Part

32-F719418 - Water Tube Jacket [ More info ]

Add to shopping cart $2.90
Available to Order: Usually ships within 10 days.

#38 F719372 PIN (2 required per assembly)
PIN-NATURAL 17-F719372
 

About Mercury Marine

OEM Part

17-F719372 - Pin, Water Jacket Tube [ More info ]

Add to shopping cart $1.70
10+ In Stock.

#39 F691372 PIN (1 required per assembly)
PIN-WATER JACKET 17-F691372
 

About Mercury Marine

OEM Part

17-F691372 - Pin, Water Jacket Tube [ More info ]

Add to shopping cart $1.40
10+ In Stock.

#40 FA692680 PLATE, SPACER (1 required per assembly)
FA692680 - SPACER PLATE       - Replaced by -819750A1
 

FA692680 - PLATE KIT [ More info ]
Unavailable
PLATE KIT-SPACER,NLA 819750A1
 

About Mercury Marine

OEM Part

819750A 1 - Plate Kit - Spacer, NLA [ More info ]

Add to shopping cart $135.00
1 In Stock.

#41 800-817881A 5 CYLINDER (1 required per assembly)
800-817881A 5 - CYLINDER W/COVER   - Replaced by 800-817608A18
 

800-817881A 5 - Cylinder Kit [ More info ]
Unavailable
800-817608A18 - CYLINDER BLOCK KI  - Replaced by 800-818153A23
 

800-817608A18 - Cylinder Kit [ More info ]
Unavailable
800-818153A23 - CYLINDER BLOCK KI  NLA
 

About Mercury Marine

OEM Part

800-818153A23 - Cylinder Kit, NLA [ More info ]
Unavailable

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