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Parts for Force 120 HP (1990-1994) Crankshaft & Piston

Engine Diagram

Ref. No. Part No. Description Manufacturer List Price Your Price Order
#1 400-817400A 3 CRANKSHAFT ASSEMBLY (1 required per assembly)
400817400T3 400-817400A 3 400-817400A 3
400-817400A 3OEM Part 400-817400A 3 - Crankshaft Assembly (more info) About Mercury Marine $500.00 $500.00 Add to shopping cart
10+ in stock. Explain stock levels
CRANKSHAFT ASSY 400-817400T 3 400-817400T 3
400-817400T 3OEM Part 400-817400T 3 - Crankshaft Assembly (more info) About Mercury Marine $808.17 $808.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#2 30-F284659-2 BEARING-UPPER (1 required per assembly)
BEARING-BALL 30-803893T 30-803893T
30-803893TOEM Part 30-803893T - Ball Bearing (more info) About Mercury Marine $75.58 $75.58 Add to shopping cart
2 in stock. Explain stock levels
#3 F316579 SEAL-CRANKCASE (3 required per assembly)
SEAL F316579 F316579
F316579OEM Part F316579 - Seal (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#4 31-FA523014 BEARING ASSEMBLY-LOWER (1 required per assembly)
BEARING ASSY      O - Replaced by 31-818050A 4 31-FA523014
31-FA523014This part has been superseded. BEARING ASSY O - Replaced by 31-818050A 4
(more info)
    UnavailableUnavailable Parts
BEARING ASSY      O - Replaced by 31-818050T 4 31-818050A 4
31-818050A 4This part has been superseded. BEARING ASSY O - Replaced by 31-818050T 4
(more info)
    UnavailableUnavailable Parts
BEARING ASSY 31-818050T 4 31-818050T 4
31-818050T 4OEM Part 31-818050T 4 - Bearing Assembly (more info) About Mercury Marine $157.33 $157.33 Add to shopping cart
1 in stock. Explain stock levels
#5 26-F523146-1 SEAL (1 required per assembly)
26828627 26-F523146-1  
26-F523146-1OEM Part 26-F523146-1 - SEAL (more info) About Mercury Marine $11.25 $11.25 Add to shopping cart
9 in stock. Explain stock levels
SEAL 26-828627 26-828627
26-828627OEM Part 26-828627 - Seal (more info) About Mercury Marine $16.83 $16.83 Add to shopping cart
10+ in stock. Explain stock levels
Seal 18-8354
18-8354OEM Match 18-8354 - Seal, 26-828627, 26F52314 (more info) About Sierra Marine $18.99 $18.99 Add to shopping cart
Available to order:
Usually ships
within 8 days
#6 1100-818070A 1 CAGE ASSEMBLY-BEARING (1990A THRU 1991C) (1 required per assembly)
CAGE ASSY         O NLA  
1100-818070A 1 CAGE ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#6 1100-819312A 1 CAGE ASSY-BEARING (1 required per assembly) SERIAL 0E000001-E093699)
CAGE ASSY-70/150  O - Replaced by 1100-819312A 4  
1100-819312A 1This part has been superseded. CAGE ASSY-70/150 O - Replaced by 1100-819312A 4
(more info)
    UnavailableUnavailable Parts
CAGE ASSY-70/150  O - Replaced by 1100-819312T 4  
1100-819312A 4This part has been superseded. CAGE ASSY-70/150 O - Replaced by 1100-819312T 4
(more info)
    UnavailableUnavailable Parts
CAGE ASSY-70/150  O NLA  
1100-819312T 4 CAGE ASSY-70/150 O NLA
(more info)
    UnavailableUnavailable Parts
#8 10-92160 SCREW (1/4-20 X 3/4") (5 required per assembly)
SCREW (.250-20 x 10-92160 10-92160
10-92160OEM Part 10-92160 - Screw (more info) About Mercury Marine $1.90 $1.90 Add to shopping cart
Available to order:
Usually ships
within 8 days
#9 11-F1968 NUT (3/4-16) (1 required per assembly)
NUT (.750-16) 11-F1968 11-F1968
11-F1968OEM Part 11-F1968 - Nut (more info) About Mercury Marine $14.00 $14.00 Add to shopping cart
1 in stock. Explain stock levels
#10 19-F2067 CAP-CRANKSHAFT END (1 required per assembly)
CAP,NLA 19-F2067  
19-F2067OEM Part 19-F2067 - Cap, NLA (more info) About Mercury Marine $1.25 $1.25 Add to shopping cart
10+ in stock. Explain stock levels
#11 31-FA85655-1 BEARING ASSEMBLY-CENTER MAIN (3 required per assembly)
31803604T 31-FA85655-1 31-FA85655-1
31-FA85655-1OEM Part 31-FA85655-1 - Bearing - Center Main (more info) About Mercury Marine $45.00 $45.00 Add to shopping cart
4 in stock. Explain stock levels
BEARING-CTR MAIN 31-803604T 31-803604T
31-803604TOEM Part 31-803604T - Bearing - Center Main (more info) About Mercury Marine $87.17 $87.17 Add to shopping cart
Available to order:
Usually ships
within 8 days
#12 53-F85410 RING-SNAP (3 required per assembly)
RING-SNAP,NLA 53-F85410  
53-F85410OEM Part 53-F85410 - Ring, Snap, NLA (more info) About Mercury Marine $5.00 $5.00 Add to shopping cart
10+ in stock. Explain stock levels
#13 17-823605 PIN-LOCATING (PRESSED INTO BLOCK) (4 required per assembly)
PIN-LOCATING 17-823605  
17-823605OEM Part 17-823605 - Locating Pin (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#14 31-819193 CAGE/ROLLER SET (3 required per assembly)
BEARING ASSY      O NLA 31-819193
31-819193 BEARING ASSY O NLA
(more info)
    UnavailableUnavailable Parts
#15 28-F85498-1 KEY-CRANKSHAFT/FLYWHEEL (1 required per assembly)
FLYWHEEL KEY 28-F85498-1 28-F85498-1
28-F85498-1OEM Part 28-F85498-1 - Key (more info) About Mercury Marine $8.50 $8.50 Add to shopping cart
5 in stock. Explain stock levels
#16 600-818052A 6 CONNECTING ROD ASSEMBLY (4 required per assembly)
600818052T6 600-818052A 6 600-818052A 6
600-818052A 6OEM Part 600-818052A 6 - Connecting Rod (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
10+ in stock. Explain stock levels
CONN ROD ASSY,NLA 600-818052T 6 600-818052T 6
600-818052T 6OEM Part 600-818052T 6 - Connecting Rod (more info) About Mercury Marine $80.00 $80.00 Add to shopping cart
10+ in stock. Explain stock levels
#17 10-91012 SCREW-CONNECTING ROD (8 required per assembly)
SCREW (.250-28 Sp 10-91012 10-91012
10-91012OEM Part 10-91012 - Screw -spec - Priced Individually (more info) About Mercury Marine $5.60 $3.36 Add to shopping cart
10+ in stock. Explain stock levels
#18 31-62596A 2 CAGE/ROLLER SET-CONNECTING ROD (4 required per assembly)
CAGE/ROLLER SET 31-62596A 2 31-62596A 2
31-62596A 2OEM Part 31-62596A 2 - Cage Roller, for One Rod Only (more info) About Mercury Marine $212.92 $212.92 Add to shopping cart
Available to order:
Usually ships
within 8 days
#19 700-F691015 PISTON (STANDARD) 1990A MODELS (4 required per assembly) NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
PISTON-STD        O - Replaced by 700-834794  
700-F691015This part has been superseded. PISTON-STD O - Replaced by 700-834794
(more info)
    UnavailableUnavailable Parts
PISTON-STD        O - Replaced by 700-834794T  
700-834794This part has been superseded. PISTON-STD O - Replaced by 700-834794T
(more info)
    UnavailableUnavailable Parts
700834794T3 700-834794T  
700-834794TOEM Part 700-834794T - Piston - Std (more info) About Mercury Marine $125.00 $125.00 Add to shopping cart
1 in stock. Explain stock levels
PISTON-STD        O NLA  
700-834794T 3 PISTON-STD O NLA
(more info)
    UnavailableUnavailable Parts
Piston-std. 18-4629
18-4629OEM Match 18-4629 - Piston .700-834794T3 Std (more info) About Sierra Marine $180.99 $145.22 Add to shopping cart
2 in stock. Explain stock levels
#19 FSA691015 PISTON (.010 O.S.) 1990A MODELS (OPT. required per assembly) NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
700834794A1 FSA691015  
FSA691015OEM Part FSA691015 - Piston - .010 (more info) About Mercury Marine $102.75 $102.75 Add to shopping cart
1 in stock. Explain stock levels
PISTON-.010       O - Replaced by 700-834794A 4  
700-834794A 1This part has been superseded. PISTON-.010 O - Replaced by 700-834794A 4
(more info)
    UnavailableUnavailable Parts
PISTON-.010 OS    O NLA  
700-834794A 4 PISTON-.010 OS O NLA
(more info)
    UnavailableUnavailable Parts
Piston-.010 18-4630
18-4630OEM Match 18-4630 - Piston .700-834794A4.010 (more info) About Sierra Marine $128.99 $128.99 Add to shopping cart
1 in stock. Explain stock levels
#19 700-818133A 1 PISTON (.030 O.S.) 1990A MODELS (OPT. required per assembly) NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
700834794A2 700-818133A 1  
700-818133A 1OEM Part 700-818133A 1 - Piston Kit -.030 (more info) About Mercury Marine $92.70 $92.70 Add to shopping cart
5 in stock. Explain stock levels
700834794A5 700-834794A 2  
700-834794A 2OEM Part 700-834794A 2 - Piston - .030 (more info) About Mercury Marine $125.00 $125.00 Add to shopping cart
2 in stock. Explain stock levels
PISTON-.030 OS 700-834794A 5  
700-834794A 5OEM Part 700-834794A 5 - Piston - .030 Os (more info) About Mercury Marine $205.75 $205.75 Add to shopping cart
2 in stock. Explain stock levels
Piston-.030 18-4631
18-4631OEM Match 18-4631 - Piston .700-834794A5.030 (more info) About Sierra Marine $172.99 $133.81 Add to shopping cart
6 in stock. Explain stock levels
#23 39-817869A 1 RING SET (2)-PISTON-(STANDARD) (4 required per assembly) 1990A MODELS NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
RING SET-2-STD,NLA 39-817869A 1  
39-817869A 1OEM Part 39-817869A 1 - Rings - 2 - Standard (more info) About Mercury Marine $64.60 Add to shopping cart
2 in stock. Explain stock levels
Piston Rings 18-39010
18-39010OEM Match 18-39010 - Rings, 39-817869A1 (more info) About Sierra Marine $37.99 $30.42 Add to shopping cart
1 in stock. Explain stock levels
#23 FSA663260 RING SET (2)-PISTON-(.010 O.S.) (OPT. required per assembly) 1990A MODELS NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
RING SET-2-.010   O - Replaced by 39-817869A 2  
FSA663260This part has been superseded. RING SET-2-.010 O - Replaced by 39-817869A 2
(more info)
    UnavailableUnavailable Parts
RING SET-2-.010,NLA 39-817869A 2 39-817869A 2
39-817869A 2OEM Part 39-817869A 2 - Rings - 2-.010, NLA (more info) About Mercury Marine $43.75 $43.75 Add to shopping cart
10+ in stock. Explain stock levels
#23 39-817869A 3 RING SET (2)-PISTON-(.030 O.S.) (OPT. required per assembly) 1990A MODELS NOTE: THIS IS NOT A KIT. ORDER EACH AS REQ'D
RING SET-2-.030 39-817869A 3 39-817869A 3
39-817869A 3OEM Part 39-817869A 3 - Rings - 2-.030 (more info) About Mercury Marine $46.60 $46.60 Add to shopping cart
1 in stock. Explain stock levels
#19 700-819690A 1 PISTON KIT (STANDARD) (4 required per assembly) SERIAL 0E000001-0E093699
PISTON KIT-STD    O - Replaced by 700-834797A 1  
700-819690A 1This part has been superseded. PISTON KIT-STD O - Replaced by 700-834797A 1
(more info)
    UnavailableUnavailable Parts
PISTON KIT-STD    O - Replaced by 700-834797A 4  
700-834797A 1This part has been superseded. PISTON KIT-STD O - Replaced by 700-834797A 4
(more info)
    UnavailableUnavailable Parts
PISTON KIT-STD    O NLA  
700-834797A 4 PISTON KIT-STD O NLA
(more info)
    UnavailableUnavailable Parts
#19 700-819690A 2 PISTON KIT (.010 O.S.) (OPT. required per assembly) SERIAL 0E000001-0E093699
PISTON KIT-.010   O - Replaced by 700-834797A 2  
700-819690A 2This part has been superseded. PISTON KIT-.010 O - Replaced by 700-834797A 2
(more info)
    UnavailableUnavailable Parts
PISTON KIT-.010   O - Replaced by 700-834797A 5  
700-834797A 2This part has been superseded. PISTON KIT-.010 O - Replaced by 700-834797A 5
(more info)
    UnavailableUnavailable Parts
PISTON KIT-.010   O NLA  
700-834797A 5 PISTON KIT-.010 O NLA
(more info)
    UnavailableUnavailable Parts
#19 700-819690A 3 PISTON KIT (.030 O.S.) (OPT. required per assembly) SERIAL 0E000001-0E093699
PISTON KIT-.030   O - Replaced by 700-834797A 3  
700-819690A 3This part has been superseded. PISTON KIT-.030 O - Replaced by 700-834797A 3
(more info)
    UnavailableUnavailable Parts
PISTON KIT-.030   O - Replaced by 700-834797A 6  
700-834797A 3This part has been superseded. PISTON KIT-.030 O - Replaced by 700-834797A 6
(more info)
    UnavailableUnavailable Parts
PISTON KIT-.030   O NLA  
700-834797A 6 PISTON KIT-.030 O NLA
(more info)
    UnavailableUnavailable Parts
#20 31-F335217-1 BEARING SET (26)-PISTON PIN (4 required per assembly) SERIAL 0E000001-0E093699
BEARING 31-F335217-1 31-F335217-1
31-F335217-1OEM Part 31-F335217-1 - Bearing (more info) About Mercury Marine $9.50 $4.64 Add to shopping cart
10+ in stock. Explain stock levels
#21 41-F85017-3 PIN-PISTON (4 required per assembly) SERIAL 0E000001-0E093699
PIN-PISTON,NLA 41-F85017-3 41-F85017-3
41-F85017-3OEM Part 41-F85017-3 - Piston Pin, NLA (more info) About Mercury Marine $36.25 $36.25 Add to shopping cart
10+ in stock. Explain stock levels
#22 23-826806 SPACER-PISTON PIN (8 required per assembly) SERIAL 0E000001-0E093699
SPACER-PISTON PI 23-826806 23-826806
23-826806OEM Part 23-826806 - Piston Pin Spacer (more info) About Mercury Marine $12.50 $12.50 Add to shopping cart
10+ in stock. Explain stock levels
#23 39-820457A 2 RING SET (2)-PISTON-(STANDARD) (4 required per assembly) SERIAL 0E000001-0E093699
RING SET-2-STD,NLA 39-820457A 2 39-820457A 2
39-820457A 2OEM Part 39-820457A 2 - Ring Set-2-STD, NLA (more info) About Mercury Marine $29.00 $29.00 Add to shopping cart
2 in stock. Explain stock levels
Ring Set-std. 18-3998
18-3998OEM Match 18-3998 - Rings, 39-820457A2 (more info) About Sierra Marine $42.49 $33.19 Add to shopping cart
6 in stock. Explain stock levels
#23 39-820641A 1 RING SET (2)-PISTON-(.010 O.S.) (OPT. required per assembly) SERIAL 0E000001-0E093699
RING SET-2-.010,NLA 39-820641A 1 39-820641A 1
39-820641A 1OEM Part 39-820641A 1 - Rings - 2-.010, NLA (more info) About Mercury Marine $27.00 $27.00 Add to shopping cart
10+ in stock. Explain stock levels
Ring Set-.010 18-3999
18-3999OEM Match 18-3999 - Rings, 39-820641A1 (more info) About Sierra Marine $25.50 $25.50 Add to shopping cart
1 in stock. Explain stock levels
#23 39-818129A 2 RING SET (2)-PISTON-(.030 O.S.) (OPT. required per assembly) SERIAL 0E000001-0E093699
RING SET-2-.030,NLA 39-818129A 2 39-818129A 2
39-818129A 2OEM Part 39-818129A 2 - Rings - 2-.030, NLA (more info) About Mercury Marine $52.50 $52.50 Add to shopping cart
10+ in stock. Explain stock levels
#24 12-31247 WASHER (1 required per assembly)
WASHER,NLA 12-31247  
12-31247OEM Part 12-31247 - Washer, NLA (more info) About Mercury Marine $2.00 $2.00 Add to shopping cart
10+ in stock. Explain stock levels
#- 800-818154A12 POWERHEAD ASSEMBLY ( required per assembly)
POWERHEAD ASSY    O - Replaced by 800-818154A18  
800-818154A12This part has been superseded. POWERHEAD ASSY O - Replaced by 800-818154A18
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSY    O - Replaced by 800-818154T18  
800-818154A18This part has been superseded. POWERHEAD ASSY O - Replaced by 800-818154T18
(more info)
    UnavailableUnavailable Parts
POWERHEAD ASSY      NLA  
800-818154T18 POWERHEAD ASSY NLA
(more info)
    UnavailableUnavailable Parts
#- 27-820726A 1 GASKET SET ( required per assembly)
GASKET SET 27-820726A 1  
27-820726A 1OEM Part 27-820726A 1 - Gasket Set (more info) About Mercury Marine $144.92 $144.92 Add to shopping cart
1 in stock. Explain stock levels
#- FG1026-2 GASKET SET ( required per assembly)
27809750A1 FG1026-2  
FG1026-2OEM Part FG1026-2 - Gasket Set (more info) About Mercury Marine $108.95 $108.95 Add to shopping cart
1 in stock. Explain stock levels
GASKET SET 27-809750A 1  
27-809750A 1OEM Part 27-809750A 1 - Gasket Set (more info) About Mercury Marine $189.58 $189.58 Add to shopping cart
2 in stock. Explain stock levels