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Parts for Force 4 HP (1986) Gear Housing

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 FK341704 COUPLING, GEAR SHIFT ROD (1 required per assembly) W/ILLUS.2,& 40 AND LITERATURE
COUPLING KIT,NLA FK341704  
FK341704OEM Part FK341704 - Coupling Kit, NLA (more info) About Mercury Marine $43.75 $43.75 Add to shopping cart
2 in stock. Explain stock levels
#2 F1371 SOCKET HD SCREW W/LOCKWASHER, 10 - 24 X 5/8 (1 required per assembly)
SCREW-W/LW,NLA 10-F1371  
10-F1371OEM Part 10-F1371 - Screw -w/Lw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#3 F8538 SPRING PIN (1 required per assembly)
PIN Spring 17-F8538  
17-F8538OEM Part 17-F8538 - Spring Pin, NLA (more info) About Mercury Marine $0.33 $0.33 Add to shopping cart
10+ in stock. Explain stock levels
#4 F521705-1 ROD, GEAR SHIFT LOWER (42 F6A, 42 FC6A) (1 required per assembly)
ROD-SHIFT-15 IN,NLA F521705-1  
F521705-1OEM Part F521705-1 - Shift Rod -15 In, NLA (more info) About Mercury Marine $32.00 $32.00 Add to shopping cart
10+ in stock. Explain stock levels
# F332705-1 ROD, GEAR SHIFT LOWER (43 F6A, 43 FC6A, 43 F5A, 43 FC5A) (1 required per assembly)
ROD-SHIFT-20 IN   O NLA  
F332705-1 ROD-SHIFT-20 IN O NLA
(more info)
    UnavailableUnavailable Parts
#5 F1504 FILL HD SCREW, 1/4 - 20 X 1-1/4 (4 required per assembly)
SCREW (.250-20 x 10-F1504 10-F1504
10-F1504OEM Part 10-F1504 - Screw -ss (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 F521537 PLATE, WATER PUMP (1 required per assembly)
PLATE F521537  
F521537OEM Part F521537 - Water Pump Plate (more info) About Mercury Marine $6.80 $6.80 Add to shopping cart
Available to order:
Usually ships
within 8 days
#7 F521065 IMPELLER (1 required per assembly)
IMPELLER          O - Replaced by 47-F521065-1  
F521065This part has been superseded. IMPELLER O - Replaced by 47-F521065-1
(more info)
    UnavailableUnavailable Parts
IMPELLER 47-F521065-1 47-F521065-1
47-F521065-1OEM Part 47-F521065-1 - Impeller (more info) About Mercury Marine $84.08 $84.08 Add to shopping cart
Available to order:
Usually ships
within 8 days
#8 F8083 SPRING LOCKWASHER (2 required per assembly)
LOCKWASHER SS     O - Replaced by 13-26992  
F8083This part has been superseded. LOCKWASHER SS O - Replaced by 13-26992
(more info)
    UnavailableUnavailable Parts
LOCKWASHER (.250) 13-26992  
13-26992OEM Part 13-26992 - LockWasher - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
#9 F338618-1 SEAL, SHIFT ROD (1 required per assembly)
SEAL              O - Replaced by 26-817472  
F338618-1This part has been superseded. SEAL O - Replaced by 26-817472
(more info)
    UnavailableUnavailable Parts
SEAL 26-817472 26-817472
26-817472OEM Part 26-817472 - Seal (more info) About Mercury Marine $6.30 $6.30 Add to shopping cart
3 in stock. Explain stock levels
Oil Seal 18-0500
18-0500OEM Match 18-0500 - Seal, 26-817472 (more info) About Sierra Marine $7.49 $5.40 Add to shopping cart
Available to order:
Usually ships
within 8 days
#10 FA521735 SEAL, WATER LINE (1 required per assembly) W/LITERATURE
SEAL KIT,NLA FA521735  
FA521735OEM Part FA521735 - Seal Kit, NLA (more info) About Mercury Marine $10.00 $10.00 Add to shopping cart
1 in stock. Explain stock levels
#11 FA735060 WATER PUMP BODY W/PLUG (1 required per assembly) ILLUS. 39 ORIGINAL FORCE P/N A 521060-2
BODY ASSEMBLY FA735060  
FA735060OEM Part FA735060 - Water Pump Body (more info) About Mercury Marine $59.25 $59.25 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 F521128 DRIVESHAFT (42 F6A, 42 FC6A) (1 required per assembly)
DRIVESHAFT 45-F521128 45-F521128
45-F521128OEM Part 45-F521128 - Drive Shaft - Short (more info) About Mercury Marine $188.42 $188.42 Add to shopping cart
Available to order:
Usually ships
within 8 days
# F341128 DRIVESHAFT (43 F6A, 43 FC6A) (1 required per assembly)
DRIVESHAFT-LONG,NLA 45-F341128  
45-F341128OEM Part 45-F341128 - Drive Shaft - Long, NLA (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
1 in stock. Explain stock levels
#13 F390563 PIN, WATER PUMP IMPELLER DRIVE (1 required per assembly)
PIN-IMPELLER,NLA 17-F390563  
17-F390563OEM Part 17-F390563 - Pin - Impeller, NLA (more info) About Mercury Marine $3.00 $3.00 Add to shopping cart
10+ in stock. Explain stock levels
#14 F521721 CAM, CLUTCH SHIFT (1 required per assembly)
CAM,NLA F521721  
F521721OEM Part F521721 - Cam, NLA (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
10+ in stock. Explain stock levels
#15 F318307 SEAL, DRIVESHAFT (1 required per assembly)
SEAL 26-F318307 26-F318307
26-F318307OEM Part 26-F318307 - Seal (more info) About Mercury Marine $32.42 $32.42 Add to shopping cart
10+ in stock. Explain stock levels
Seal 18-0592
18-0592OEM Match 18-0592 - Seal, 26-F318307 (more info) About Sierra Marine $29.99 $23.70 Add to shopping cart
Available to order:
Usually ships
within 8 days
#16 F521783 SEAL (1 required per assembly)
O RING,NLA 25-F521783  
25-F521783OEM Part 25-F521783 - O-Ring (more info) About Mercury Marine $1.35 $1.35 Add to shopping cart
10+ in stock. Explain stock levels
#17 F1077 FILL HD SCREW, 10 - 24 X 1/4 (1 required per assembly)
SCREW,NLA 10-F1077  
10-F1077OEM Part 10-F1077 - Screw, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#18 F8074 WASHER (1 required per assembly)
WASHER            O NLA  
12-F8074 WASHER O NLA
(more info)
    UnavailableUnavailable Parts
#19 F50109 PLUG, GEAR HOUSING (1 required per assembly)
1079953A2 10-F50109 10-F50109
10-F50109OEM Part 10-F50109 - Screw -Special (more info) About Mercury Marine $5.20 $5.20 Add to shopping cart
10+ in stock. Explain stock levels
SCREW KIT-DRAIN   O - Replaced by 10-79953Q 2 10-79953A 2
10-79953A 2This part has been superseded. SCREW KIT-DRAIN O - Replaced by 10-79953Q 2
(more info)
    UnavailableUnavailable Parts
SCREW KIT @2      O - Replaced by 10-79953Q04 10-79953Q 2
10-79953Q 2This part has been superseded. SCREW KIT @2 O - Replaced by 10-79953Q04
(more info)
    UnavailableUnavailable Parts
SCREW KIT Drain 10-79953Q04 10-79953Q04
10-79953Q04OEM Part 10-79953Q04 - Screw Kit - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN PLUG 18-2244
18-2244OEM Match 18-2244 - Plug Kit, 10-79953A2 (more info) About Sierra Marine $2.99 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
SCREW-DRAIN Note: must be ordered in multiples of 2   10 79953K04 10-79953K04
10-79953K04OEM Part 10-79953K04 - Drain Screw - Priced Individually (more info) About Mercury Marine $5.70 $5.70 Add to shopping cart
1 in stock. Explain stock levels
#20 F2A521054 GEAR HOUSING (1 required per assembly) W/ILLUS. 15, 17, 18, 19 AND 42
GEAR HOUSING KIT  O - Replaced by 1600-820090A 2  
F2A521054This part has been superseded. GEAR HOUSING KIT O - Replaced by 1600-820090A 2
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O - Replaced by 1600-820090A 7  
1600-820090A 2This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1600-820090A 7
(more info)
    UnavailableUnavailable Parts
GEAR HSGBASIC5hp,NLA 1600-820090A 7  
1600-820090A 7OEM Part 1600-820090A 7 - Gear Housing, Basic, 5hp (more info) About Mercury Marine $100.00 $100.00 Add to shopping cart
9 in stock. Explain stock levels
#- FC341054 GEAR HOUSING COMPLETE (42 F6A, 42 FC6A, 43 F6A, 43 FC6A) (1 required per assembly) INCLUDES ALL ITEMS MARKED WITH AN ASTERISK (*).
GEAR HOUSING KIT  O - Replaced by 1600-819481A 1  
FC341054This part has been superseded. GEAR HOUSING KIT O - Replaced by 1600-819481A 1
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING KIT  O - Replaced by 1600-820090A 3  
1600-819481A 1This part has been superseded. GEAR HOUSING KIT O - Replaced by 1600-820090A 3
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O - Replaced by 1600-820090A 8  
1600-820090A 3This part has been superseded. GEAR HOUSING ASSY O - Replaced by 1600-820090A 8
(more info)
    UnavailableUnavailable Parts
GEAR HOUSING ASSY O NLA  
1600-820090A 8 GEAR HOUSING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#21 F1199 HEX CAP SCREW, 1/4 - 20 X 1 (1 required per assembly)
1014168 F1199  
F1199OEM Part F1199 - Screw SS (more info) About Mercury Marine $0.55 $0.55 Add to shopping cart
10+ in stock. Explain stock levels
SCREW 10-14168 10-14168
10-14168OEM Part 10-14168 - Screw (more info) About Mercury Marine $2.90 $2.90 Add to shopping cart
10+ in stock. Explain stock levels
#22 F521266 BEVEL PINION GEAR (1 required per assembly)
43819250 F521266  
F521266OEM Part F521266 - GEAR (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
2 in stock. Explain stock levels
GEAR 43-819250  
43-819250OEM Part 43-819250 - Pinion Gear (more info) About Mercury Marine $94.92 $94.92 Add to shopping cart
2 in stock. Explain stock levels
#23 F521728 CLUTCH SHIFT PIN (1 required per assembly)
PIN-CLUTCH SHIFT,NLA 17-F521728  
17-F521728OEM Part 17-F521728 - Clutch Shift Pin, NLA (more info) About Mercury Marine $9.00 $9.00 Add to shopping cart
10+ in stock. Explain stock levels
#24 FA521023 BEVEL GEAR W/BEARING (1 required per assembly)
43819249A1 FA521023  
FA521023OEM Part FA521023 - Gear Assembly - Front (more info) About Mercury Marine $66.80 $66.80 Add to shopping cart
1 in stock. Explain stock levels
GEAR ASY-FRT 4-8HP,NLA 43-819249A 1 43-819249A 1
43-819249A 1OEM Part 43-819249A 1 - Gear Assembly -frt 4-8HP, NLA (more info) About Mercury Marine $50.00 $50.00 Add to shopping cart
10+ in stock. Explain stock levels
#25 F409098 PROPELLER SHAFT (1 required per assembly) (42 F6A, 42 FC6A, 43 F6A, 43 FC6A, 43 F5A, 43 FC5A)
PROPSHAFT5HP FORCE,NLA 44-F409098  
44-F409098OEM Part 44-F409098 - Prop Shaft, 5HP Force, NLA (more info) About Mercury Marine $100.00 $100.00 Add to shopping cart
10+ in stock. Explain stock levels
#26 F409521 CLUTCH (1 required per assembly)
CLUTCH,NLA 52-F409521  
52-F409521OEM Part 52-F409521 - Clutch, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#27 F318372 PIN, CLUTCH GUIDE (1 required per assembly)
PIN-CLUTCH GUIDE,NLA 17-F318372  
17-F318372OEM Part 17-F318372 - Clutch Guide Pin, NLA (more info) About Mercury Marine $4.00 $4.00 Add to shopping cart
10+ in stock. Explain stock levels
#28 F409719 CLUTCH SPRING (1 required per assembly)
SPRING,NLA 24-F409719  
24-F409719OEM Part 24-F409719 - Spring, NLA (more info) About Mercury Marine $6.00 $6.00 Add to shopping cart
10+ in stock. Explain stock levels
#29 F521099 SPACER (1 required per assembly)
SPACER            O NLA  
23-F521099 SPACER O NLA
(more info)
    UnavailableUnavailable Parts
#30 FA341298 BEARING CAGE W/BEARING (1 required per assembly) ILLUS. 31
CAGE ASSY         O - Replaced by -FA341298T  
FA341298This part has been superseded. CAGE ASSY O - Replaced by -FA341298T
(more info)
    UnavailableUnavailable Parts
CAGE ASSEMBLY FA341298T  
FA341298TOEM Part FA341298T - Cage Assembly (more info) About Mercury Marine $56.17 $56.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#31 F521307 SEAL, PROPELLER SHAFT (1 required per assembly)
SEAL,NLA 26-F521307  
26-F521307OEM Part 26-F521307 - Seal, NLA (more info) About Mercury Marine $22.00 $22.00 Add to shopping cart
10+ in stock. Explain stock levels
#32 F521305 SEAL, "O" RING (1 required per assembly)
O RING,NLA 25-F521305  
25-F521305OEM Part 25-F521305 - O-Ring (more info) About Mercury Marine $3.50 $3.50 Add to shopping cart
10+ in stock. Explain stock levels
#33 F521296 RETAINER, PROPELLER SHAFT BEARING CAGE (1 required per assembly)
F521296T F521296  
F521296OEM Part F521296 - F521296T (more info) About Mercury Marine $11.10 $11.10 Add to shopping cart
2 in stock. Explain stock levels
RETAINER          O - Replaced by -F521296T1  
F521296TThis part has been superseded. RETAINER O - Replaced by -F521296T1
(more info)
    UnavailableUnavailable Parts
RETAINER F521296T1  
F521296T1OEM Part F521296T1 - Retainer (more info) About Mercury Marine $29.10 $24.92 Add to shopping cart
1 in stock. Explain stock levels
#34 F525457 FILL HD SCREW, 1/4 - 20 X 5/8 (4 required per assembly)
SCREW,NLA 10-F525457  
10-F525457OEM Part 10-F525457 - Screw, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#35 FP332 PROPELLER (42 F6A, 42 FC6A) (1 required per assembly)
PROP              O - Replaced by -FP712  
FP332This part has been superseded. PROP O - Replaced by -FP712
(more info)
    UnavailableUnavailable Parts
PROP              O - Replaced by 48-820110A20  
FP712This part has been superseded. PROP O - Replaced by 48-820110A20
(more info)
    UnavailableUnavailable Parts
BLACK DIAMOND PRO 48-820110A20 48-820110A20
48-820110A20OEM Part 48-820110A20 - Black Diamond Prop 7.25X6.5 (more info) About Mercury Marine $110.34 $110.34 Add to shopping cart
Available to order:
Usually ships
within 8 days
# FP652 PROPELLER (43 F6A, 43 FC6A, 43 F5A, 43 FC5A) (1 required per assembly)
ALUM 8.00X5.00    O NLA  
FP652 ALUM 8.00X5.00 O NLA
(more info)
    UnavailableUnavailable Parts
#36 11-817752A 1 PROPELLER NUT (1 required per assembly) W/ILLUS. 38 ORIGINAL FORCE P/N A 286094-1
PROP NUT KIT 11-817752A 1 11-817752A 1
11-817752A 1OEM Part 11-817752A 1 - Prop Nut Kit (more info) About Mercury Marine $10.49 $10.49 Add to shopping cart
2 in stock. Explain stock levels
#37 FA324101 PROPELLER PIN, PACK OF 3 (1 required per assembly) ILLUS. 38
SHEAR PIN KIT FA324101 FA324101
FA324101OEM Part FA324101 - Prop Pin Kit (more info) About Mercury Marine $9.45 $9.45 Add to shopping cart
2 in stock. Explain stock levels
#38 F1846 COTTER PIN (1 required per assembly)
COTTER PIN @2     O - Replaced by 18-45882  
18-F1846This part has been superseded. COTTER PIN @2 O - Replaced by 18-45882
(more info)
    UnavailableUnavailable Parts
COTTER PIN Note: must be ordered in multiples of 2 18-45882 18-45882
18-45882OEM Part 18-45882 - Cotter Pin - Priced Individually (more info) About Mercury Marine $2.07 $2.07 Add to shopping cart
10+ in stock. Explain stock levels
#39 F521246-1 PLUG, WATER PUMP (1 required per assembly)
PLUG 19-F521246-1  
19-F521246-1OEM Part 19-F521246-1 - Plug - Welch (more info) About Mercury Marine $9.50 $9.50 Add to shopping cart
Available to order:
Usually ships
within 8 days
#40 F7009 LOCK NUT, 10 - 24 (1 required per assembly)
NUT (#10-24) 11-F7009  
11-F7009OEM Part 11-F7009 - Nut (more info) About Mercury Marine $2.30 $2.30 Add to shopping cart
Available to order:
Usually ships
within 8 days
#41 FK1057 GEAR HOUSING SEAL KIT. (1 required per assembly) INCLUDES ALL ITEMS MARKED WITH A DOUBLE ASTERISK (**).
SEAL KIT          O NLA FK1057
FK1057 SEAL KIT O NLA
(more info)
    UnavailableUnavailable Parts
#42 F8077 WASHER (1 required per assembly)
SEAL              O - Replaced by -F8186  
F8077This part has been superseded. SEAL O - Replaced by -F8186
(more info)
    UnavailableUnavailable Parts
WASHER            O - Replaced by 12-19183  
F8186This part has been superseded. WASHER O - Replaced by 12-19183
(more info)
    UnavailableUnavailable Parts
12191832 12-19183 12-19183
12-19183OEM Part 12-19183 - Washer-BLK - Priced Individually (more info) About Mercury Marine $0.80 $0.80 Add to shopping cart
10+ in stock. Explain stock levels
WASHER-ORAN @15   O - Replaced by 12-19183  3 12-19183  2
12-19183 2This part has been superseded. WASHER-ORAN @15 O - Replaced by 12-19183 3
(more info)
    UnavailableUnavailable Parts
SEAL 12-19183  3 12-19183 3
12-19183 3OEM Part 12-19183 3 - Seal -Blue - Priced Individually (more info) About Mercury Marine $1.00 $1.00 Add to shopping cart
10+ in stock. Explain stock levels
DRAIN GASKET 18-2945-9
18-2945-9OEM Match 18-2945-9 - Gasket 12-19183 2-Pack (more info)
Replaces OEM #0307552
About Sierra Marine $2.78 $1.52 Add to shopping cart
10+ in stock. Explain stock levels
SEAL (4) Note: must be ordered in multiples of 2   12 19183Q02 12-19183Q02
12-19183Q02OEM Part 12-19183Q02 - Seals, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
SEAL (4) Note: must be ordered in multiples of 2   12 19183K02 12-19183K02
12-19183K02OEM Part 12-19183K02 - Seal, Pack of 4 (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
Available to order:
Usually ships
within 8 days
#43 FK1072 WATER PUMP KIT. (1 required per assembly)
PUMP KIT-WATER    O - Replaced by 46-819026A 1  
FK1072This part has been superseded. PUMP KIT-WATER O - Replaced by 46-819026A 1
(more info)
    UnavailableUnavailable Parts
PUMP KIT-WATER    O NLA 46-819026A 1
46-819026A 1 PUMP KIT-WATER O NLA
(more info)
    UnavailableUnavailable Parts
#44 F1341 HEX NUT (1 required per assembly)
NUT SS            O - Replaced by 11-64015  
F1341This part has been superseded. NUT SS O - Replaced by 11-64015
(more info)
    UnavailableUnavailable Parts
NUT (.250-20) 11-64015  
11-64015OEM Part 11-64015 - Nut - Priced Individually (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
10+ in stock. Explain stock levels
#45 F601006 STUD (1 required per assembly)
STUD,NLA 16-F601006  
16-F601006OEM Part 16-F601006 - Stud, NLA (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#46 F1808 HEX CAP SCREW, 1/4 - 20 X 7 (1 required per assembly) (43 F6A, 43 FC6A, 43 F5A, 43 FC5A)
SCREW             O - Replaced by 10-F1800  
F1808This part has been superseded. SCREW O - Replaced by 10-F1800
(more info)
    UnavailableUnavailable Parts
SCREW,NLA 10-F1800  
10-F1800OEM Part 10-F1800 - Screw, NLA (more info) About Mercury Marine $17.00 $17.00 Add to shopping cart
10+ in stock. Explain stock levels
#47 F521845 EXTENSION, MOTOR LEG (43 F6A, 43 FC6A, 43 F5A, 43 FC5A) (1 required per assembly)
EXTENSION         O - Replaced by -F521845T  
F521845This part has been superseded. EXTENSION O - Replaced by -F521845T
(more info)
    UnavailableUnavailable Parts
EXTENSION,NLA F521845T  
F521845TOEM Part F521845T - Extension, NLA (more info) About Mercury Marine $160.00 $160.00 Add to shopping cart
9 in stock. Explain stock levels
EXTENSION         O NLA  
F521845T1 EXTENSION O NLA
(more info)
    UnavailableUnavailable Parts
#48 F1825 HEX CAP SCREW, 1/4 - 20 X 6 (1 required per assembly) (43 F6A, 43 FC6A, 43 F5A, 43 FC5A)
SCREW,NLA 10-F1825  
10-F1825OEM Part 10-F1825 - Screw, NLA (more info) About Mercury Marine $11.00 $11.00 Add to shopping cart
10 in stock. Explain stock levels