Mercury 250 (3.0L EFI) (1B504989 & Up) Outboard Motor Parts Diagram & Catalog – Free PDF Download
Accessories
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Accessories:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
0 | FLUSH COUPLING | 22-852400 | 56-820386A55 |
0 | DECK FILL KIT, Oil | 15969A3 | |
0 | DIODE ASSEMBLY (DUAL ENGINE) | 812497A2 | |
0 | FLUSHING ATTACHMENT | 44357Q2 | |
0 | HOSE ASSEMBLY, Fuel | 32-858610A31 | 32-858610A10, 32-16789A18 |
0 | HOSE ASSEMBLY, Fuel (12 Feet) Comment: (NO FITTINGS) | 32-877683Q12 | 32-858623Q12, 32-858623A12, 32-822379A12, 32-819380A12, FA599752, FS409752, 32-819380A 3, F216752, FA409752, F289752, FA178752, FA216752, FA284752, FA289752, FS409952 (NO FITTINGS) |
0 | SWITCH/LANYARD KIT | 87-19674Q2 | |
0 | MERCATHODE KIT | 88334A2 | |
0 | HOSE EXTENSION KIT | 41729A3 | |
0 | NOT SOLD SEPARATE, Rigging Hose Kit Comment: (SEE PARTS BULLETIN 99-4) | NSS | |
0 | RESERVOIR KIT, Oil | 15943A1 | |
0 | TRIM REDUCER KIT | 858915A1 |
Attenuator/Flywheel Cover
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Attenuator/Flywheel Cover:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | COVER, Flywheel | 892854T01 | 880009T02, 880009T 1 |
2 | GROMMET, (.88 Inside Diameter) | 25-13467 | |
3 | GROMMET | 25-8M0153609 | |
4 | PLUG | 19-89219001 | |
5 | ATTENUATOR ASSEMBLY | 881909T3 | |
6 | BUSHING | 23-856954 | |
7 | GROMMET | 25-8M0190980 | |
8 | SEAL | 882767 | |
9 | GROMMET | 25-20116 | |
10 | CLIP | 54-23567 | |
11 | WASHER, (.265 x .750 x .048) Stainless Steel | 12-65567 | |
12 | SCREW, (M6 x 25) | 10-82130025 | |
13 | DECAL, Caution-Start in Gear | 37-881865 | 37-825064 |
14 | SCREW, (#10-16 x .750) | 10-69570 |
Bottom Cowl
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Bottom Cowl:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | BOTTOM COWL, Port | 100-8M0107324 | 113-850302A07 |
2 | PLUG | 854367001 | 854367 |
3 | BOTTOM COWL, Starboard | 100-8M0107323 | 113-850301A07 |
4 | GASKET KIT | 27-889246A97 | |
5 | SCREW, (M6 x 40) | 10-82130040 | |
6 | SCREW, (M6 x 75) | 10-824868 | |
7 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
8 | FRONT HANDLE | 8M0053903 | 850684F 1 |
9 | BUSHING | 23-335891 | |
10 | O-RING, (.614 x .070) | 25-48462 | |
11 | PAWL | 8219423 | |
12 | WASHER, (.281 x .734 x .063) | 12-69057 | |
13 | NUT, (M6) Stainless Steel | 11-401366 | |
14 | SCREW, (#10-16 x .625) | 10-8214281 | |
15 | CLIP | 54-822873 | |
16 | SWITCH, Trim | 87-8M0235191 | |
17 | RIGGING KIT (Upper) | 8M8027677 | 54-859359A 2 |
18 | NOT SOLD SEPARATE, Clamp-Lower | NSS | |
19 | SCREW, (M6 x 12) | 10-82130012 | |
20 | NOT SOLD SEPARATE, Strap | NSS | |
21 | FOAM | 859343 | |
22 | TIE STRAP, (11.750 Inches) | 54-850181 | |
23 | HANDLE | 852361T02 | |
24 | SEAL, (44.00 Inches) | 8M0109218 |
Coil Plate
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Coil Plate:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | PLATE, Coil Mounting | 850295T2 | |
2 | COIL KIT | 300-8M0077471 | 300-879984T01, 339-879984A 1, 339-879984T00 |
3 | SCREW, (M6 x 30) | 10-82129130 | |
4 | CABLE SET | 84-881908T | 84-821945T74, 84-821945T65 |
5 | CLIP (Included with Coil Harness) | 54-828991T | 54-828991 |
6 | SPARK PLUG | 33-941 | |
7 | HARNESS ASSEMBLY, Coil | 84-882757T02 | |
- | HARNESS ASSEMBLY, 5 Pin | 879346A51 | 84-854839T02 |
8 | CABLE ASSEMBLY, Braided | 84-858414A1 | |
9 | SCREW, (M6 x 10) | 10-82129110 | |
10 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
11 | GROMMET | 25-833155 | |
12 | WASHER | 12-4002318 | |
13 | BUSHING | 23-8502341 | |
14 | SCREW, (M8 x 35) | 10-81893435 | |
15 | SENSOR KIT, (0-50 PSI) | 71-8M0157742 | |
16 | FITTING | 22-8M0207782 | |
17 | CLIP, (.865) | 54-883066 | |
18 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
19 | TUBING, (52.00 Inches Bulk) (Cut to 18 Inches) | 32-85978571 | |
20 | WASHER | 12-36001 |
Crankshaft, Pistons and Connecting Rods
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Crankshaft, Pistons and Connecting Rods:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CRANKSHAFT ASSEMBLY | 482-9784A11 | |
2 | WEAR SLEEVE | 830882 | |
3 | BEARING, Ball (Lower) | 30-67923T | |
4 | RING | 53-67446 | |
5 | RING, Seal | 39-843198T01 | 39-843198001, 39-816106 |
6 | KEY, Woodruff | 28-91800 | |
7 | O-RING, (.859 x .139) | 25-35126 | |
8 | BEARING/RACE KIT | 31-88270A02 | |
9 | NOT SOLD SEPARATE, Bearing-Center Main | NSS | |
10 | PISTON ASSEMBLY, Standard - Starboard | 700-858295T14 | 700-858295T 1 |
10 | PISTON ASSEMBLY, Standard - Port | 700-858294T14 | 700-858294T 1 |
10 | PISTON ASSEMBLY Comment: (Starboard - .015 oversize) | 700-878572A2 | |
10 | PISTON ASSEMBLY Comment: (Port - .015 oversize) | 700-878571A2 | |
10 | PISTON ASSEMBLY Comment: (Starboard - .030 oversize) | 700-878574A2 | |
10 | PISTON ASSEMBLY Comment: (Port - .030 oversize) | 700-878573A2 | |
11 | RING | 40-841202 | |
12 | RING SET, Piston | 39-858772A12 | |
13 | NOT SOLD SEPARATE, Piston Ring-Lower | NSS | |
14 | CONNECTING ROD ASSEMBLY | 600-8M0125869 | |
15 | SCREW, (.375-24 x 1.250) | 10-94320 | |
16 | BEARING ASSEMBLY | 31-844338A01 | 31-43012A04 |
17 | NOT SOLD SEPARATE, Needle Roller Bearing | NSS | |
18 | THRUST WASHER | 12-88263 | |
19 | BEARING, Needle | 29-8M0204715 | |
20 | BEARING ASSEMBLY (Upper) | 31-816773A2 | |
21 | SEAL | 26-859093 | 26-815449 |
22 | O-RING, (1.989 x .070) | 25-823683 | 25-64067 |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Cyliner Block and End Cap
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Cyliner Block and End Cap:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CYLINDER BLOCK ASSEMBLY Comment: (200) | 885-899162A05 | 885-9811T91 (200) |
1 | CYLINDER BLOCK ASSEMBLY Comment: (225) | 885-899162A06 | 885-9811T92 (225) |
1 | CYLINDER BLOCK ASSEMBLY Comment: (250) | 885-899162A07 | 885-9811T93 (250) |
2 | SCREW, (M8 x 40) | 10-81893440 | |
3 | BRACKET | 8M0111325 | |
4 | STUD, (M10 x 1.5 x 64) | 16-903509 | |
5 | STUD, (M10 x 1.5 x 155) | 16-8154431 | |
6 | DEFLECTOR | 8248577 | |
7 | CHECK VALVE | 21-8781051 | |
8 | PIN | 17-8M0036405 | 17-67296 |
9 | PIN, Dowel - Without Hole (.375 x .625) | 17-43044 | |
10 | SCREW, (M10 x 80) | 10-82446180 | |
11 | SCREW, (M8 x 35) | 10-81893435 | |
12 | SCREW, (M8 x 20) | 10-81893420 | |
13 | PIN, Dowel (.250 x .625) | 17-63779 | |
14 | SENSOR ASSEMBLY, Temperature | 13536A13 | |
15 | PIN | 17-8405101 | |
16 | RETAINER | 8588641 | |
17 | WASHER, (.406 x .750 x .105) Stainless Steel | 12-8M0214963 | |
18 | NUT, (M10) Stainless Steel | 11-4013610 | |
19 | SENSOR | 8M0082988 | 8M0030022, 828358 2 |
20 | SCREW, (M5 x 16) Stainless Steel | 10-40011107 | |
21 | END CAP ASSEMBLY | 1171-9787A4 | |
22 | O-RING, (3.237 x .103) | 25-62700 | |
23 | SEAL | 26-8308981 | |
24 | SCREW, (M6 x 20) | 10-82130020 | |
25 | PLATE ASSEMBLY | 857186T02 | 857186A 1 |
26 | MOUNT | 23-855729 | |
27 | SCREW, (M10 x 45) | 10-82130145 | |
28 | SCREW, (M6 x 10) | 10-82494810 | |
29 | GROMMET | 25-19565002 | |
30 | WASHER | 12-855725 | |
31 | RETAINER | 137151 | |
32 | J CLIP | 54-858951 | |
33 | SCREW, (M6 x 12) | 10-82130012 | |
34 | SEAL | 818574 | |
35 | CYLINDER HEAD ASSEMBLY | 812851A27 | 812851A22, 812851A19 |
36 | SEAL | 884391 | |
37 | THERMOSTAT, 54 Degree C/130 Degree F | 8M0057307 | 885599004, 885599003, 885599 1 |
38 | GASKET | 27-8503181 | |
39 | COVER, Thermostat | 8M0039357 | 887926 |
40 | SCREW, (M6 x 25) | 10-82130025 | |
41 | SCREW, (M8 x 50) | 10-8M0045380 | 10-891570050, 10-859096, 10-824460 50, 10-891570 |
42 | SENSOR ASSEMBLY | 8M0148668 | |
43 | O-RING, (1.78 mm x .08 mm) | 25-896699 | 25-888814 |
44 | SCREW, (M8 x 14) | 10-81893414 | |
45 | FITTING, Elbow 45 Degree (1.25) | 22-782792 | |
46 | LEVER, TPI | 8583561 | |
47 | SCREW, (M6 x 25) | 10-82130025 | |
48 | BUSHING | 23-856954 | |
49 | GROMMET | 25-8M0190980 | |
50 | WASHER, (.265 x .750 x .048) Stainless Steel | 12-65567 | |
51 | SCREW, (M5 x 45) Stainless Steel | 10-40011113 | |
52 | INDICATOR, Throttle Position | 8M6005165 | |
53 | LINK | 8M0084743 | |
54 | CLAMP | 54-858902 | |
55 | COVER | 8582261 | |
56 | BRACKET | 8544862 | |
57 | CLAMP, (25.6 mm) | 54-855228 | 54-888988014 |
58 | FITTING | 22-8533394 | |
59 | HOSE (Starboard) | 32-8404461 | |
60 | HOSE (Port) | 32-8404462 | |
61 | SENSOR ASSEMBLY, Knock Comment: (200) | 8M6003194 | 878187 (200) |
62 | STUD Comment: (200) | 16-882781 | |
63 | NUT, (M10) Brass/Nickel Plated Comment: (200) | 11-826292 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Deck Oil Fill Kit, 15969A3 or 15969A5
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Deck Oil Fill Kit, 15969A3 or 15969A5:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | DECK FILL KIT, Oil, With Hose | 15969A3 | |
2 | DECK FILL KIT, Oil, With Out Hose | 15969A13 | |
3 | PLATE | 15966 | |
4 | DECK PLATE ASSEMBLY | 15969A08 | |
5 | SCREW, (#8 x .625) | 10-16324 | |
6 | CLAMP, Worm Gear | 54-815504228 | 54-32781, 54-853232, 54-853432 |
7 | ADAPTOR, Oil Filler | 15967 | |
8 | O-RING, (2.225 x .210) | 25-11332 | |
9 | HOSE, (100.00 Feet Bulk) , Oil Filler - Cut as Required | 32-850719 |
Driveshaft Housing and Exhaust Tube
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Driveshaft Housing and Exhaust Tube:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | HOUSING ASSEMBLY, Driveshaft - Long | 3518-832937A06 | 3518-832937A05, 3518-832937A 3, 3518-832937A 4 |
1 | HOUSING ASSEMBLY, Driveshaft - X/XX-Long | 3519-832938A06 | 3519-832938A 5 |
2 | STUD, (M12 x 52) Comment: Long/X-Long | 16-8M0008031 | 16-856983, 16-822257 Long/X-Long |
3 | SCREW, (M12 x 35 MM) Comment: Long/X-Long | 10-857136 | |
4 | GROMMET | 25-8331231 | |
5 | WASHER, (.500 x .810 x .090) Stainless Steel | 12-856982 | |
6 | NUT, (M12) | 11-896895 | 11-857008 |
7 | PLUG | 19-64649 | |
8 | BOLT, (M14 x 178) | 10-898834 | 10-815431002, 10-815431 |
9 | CABLE ASSEMBLY, Ground | 88238A10 | |
10 | WASHER, (.562 x 2.00 x .125) | 12-815432 | |
11 | WASHER, (1.25 x 2.00 x .19) | 12-8154331 | |
12 | MOUNT | 8137711 | |
13 | WASHER | 12-825190 | |
14 | NUT, (M14) | 11-896602 | 11-815434, 11-815434002 |
15 | CLAMP, When Depleted Order Design II Kit 879150A90 Comment: Design I SN# 1B775625 & Below | 8186442 | |
16 | SCREW, (M8 x 35) | 10-81893435 | |
17 | LOCKWASHER, Internal Tooth | 13-72521 | |
18 | COVER, Lower Mount, When Depleted Order Design II Kit 879150A90 Comment: Design I SN# 1B775625 & Below | 8M0001136 | 818645F 1 Design I SN# 1B775625 & Below |
19 | SCREW, (#10-16 x .440) Comment: Design I | 10-69079 | |
20 | SEAL | 8329321 | |
21 | TUBE ASSEMBLY, Exhaust | 833116A19 | 833116A17 |
22 | STRAINER | 35-8M0026113 | 35-852405 2 |
23 | SCREW, (M8 x 35) | 10-81893435 | |
24 | TUBE, Water Comment: Long | 32-8M0042785 | 32-832941 7 Long |
24 | TUBE, Water Comment: X-Long | 32-8M0042786 | 32-832941 8 X-Long |
24 | TUBE, Water Comment: XX-Long | 32-8M0042787 | 32-832941 9 XX-Long |
25 | SEAL | 832940001 | 832940 |
26 | CLAMP | 8329391 | |
27 | SCREW, (.250-20 x .500) Stainless Steel | 10-41508 | |
28 | SPACER Comment: XX-Long | 8M0105088 | 8M0071622, 880647T04, 823979T 1, 880647T02, 880647T XX-Long |
29 | PIN, Dowel - Without Hole (.375 x .625) Comment: XX-Long | 17-43044 | |
30 | STUD, (M12 x 179) Comment: XX-Long | 16-8M0008047 | 16-857009, 16-824117 XX-Long |
31 | SCREW, (M12 x 160) Comment: XX-Long | 10-857137 | |
32 | SCREW, (M8 x 35) | 10-81893435 | |
33 | COVER KIT, Lower Mount Comment: Design II SN# 1B775625 & Below | 879150A90 | |
34 | COVER, Lower Mount Comment: Design II SN# 1B775626 & Up | 100-8M0148785 | |
35 | CLAMP Comment: Design II SN# 1B775626 & Up | 100-8M4501003 | |
36 | SCREW, (#10-16 x .440) Comment: Design II SN# 1B775626 & Up | 10-69079 | |
37 | WASHER | 12-847541 | |
38 | WASHER, (.500 x .810 x .090) Stainless Steel | 12-856982 |
Dual Engine Tie Bar Kit
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Dual Engine Tie Bar Kit:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | EXTENSION KIT, Dual Engine | 92876A9 | |
1 | TUBE ASSEMBLY | 71565A2 | |
2 | O-RING, (.614 x .070) | 25-48462 | |
3 | MOUNT | 41055 | |
4 | TAB WASHER | 14-42100 | |
5 | NUT, (.875-14) | 11-8M0041651 | 11-37984 |
6 | TAB WASHER | 88404 | |
7 | SCREW, (.250-28 x 1.250) | 10-38601 | |
8 | BRACKET | 17729A1 | |
9 | SCREW, (.312-24 x 1.250) | 10-62055 | |
10 | TAB WASHER | 17728 | |
11 | SCREW, (.375-24 x 1.38) | 10-140001 | |
12 | NUT, (.375-24) Stainless Steel | 11-8M0204726 | |
13 | STEERING EYE | 8M0026167 | 8M0005848, 97933 1 |
14 | SLEEVE, (1.625) | 23-23651 | |
15 | TUBING, (4.00 Inches) | 97931 | |
16 | COUPLER, 15 In. | 8M0026098 | 814951 3 |
17 | NUT, (.562-18) | 11-42099 | |
18 | COUPLING | 22-821169 | |
19 | WASHER, (.406 x .734 x .063) Stainless Steel | 12-34931 | |
19 | WASHER, (.390 x .625 x .062) Stainless Steel | 12-37828 | |
20 | SCREW, (.375-24 x 1.5) | 10-94319 |
Exhaust Plate
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Exhaust Plate:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | PLATE ASSEMBLY, Exhaust | 832935A17 | 832935A16, 832935A15, 832935A14 |
2 | GASKET | 27-832933006 | |
3 | GASKET (Lower) | 27-832934006 | |
4 | SEAL | 8M0043157 | 823805 1 |
5 | FITTING, Check Valve | 22-8320761 | |
6 | PLUG, Pipe (.375-18) Brass | 22-8M0180565 | |
7 | CHECK VALVE ASSEMBLY, Drain | 21-817519A1 | |
8 | PIN, Dowel - Without Hole (.375 x .625) | 17-43044 | |
9 | GROMMET | 25-822002 | |
10 | PLUG | 19-48323 | |
11 | COVER ASSEMBLY | 65663A2 | |
12 | SCREW, (M8 x 35) | 10-81893435 | |
13 | CARRIER | 814190 | |
14 | GROMMET | 25-814191 | |
15 | POPPET | 814189 | |
16 | SPRING, (Black) | 24-64878 | |
17 | PLATE ASSEMBLY | 65664A1 | |
18 | GASKET | 27-88907003 | |
19 | DIAPHRAGM | 648771 | |
20 | WASHER | 12-76451 | |
21 | SCREW, (#10-16 x .750) | 10-69570 | |
22 | SCREW, (M8 x 35) | 10-81893435 | |
23 | BOOT KIT, Idle Exhaust Comment: Includes references 44 and 45 | 850306A04 | 850306 1 Includes references 44 and 45 |
24 | CLAMP, (28.6) | 54-850896 | |
25 | FITTING, Tell-Tale | 22-8M0077650 | 821904 |
26 | PLUG | 19-821908 | |
27 | WASHER | 12-821915 | |
28 | FITTING | 22-8596001 | |
29 | CHECK VALVE | 8219631 | |
30 | O-RING, (.299 x .103) | 25-30641 | |
31 | BUSHING | 23-48237 | |
32 | COUPLING Comment: Design I | 43585 | |
33 | FITTING, Straight | 22-858855 | |
34 | GROMMET | 25-12602002 | |
35 | HOSE, (57.00 Inches Bulk) (Cut to 3 Inches) | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
36 | FLUSH HOSE KIT (Inlet) | 32-859626A1 | |
37 | PLATE | 888910 | |
38 | SCREW, (M5 x 12) | 10-82239312 | |
39 | COUPLER, Shift Shaft Comment: Design II | 8M0027417 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Flywheel/Alternator
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Flywheel/Alternator:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | ALTERNATOR | 8M6013461 | |
2 | SPRING | 24-8523742 | |
3 | ARM TENSIONER ASSEMBLY | 856815T2 | |
4 | WASHER | 12-4002320 | |
5 | BUSHING | 23-8568941 | |
6 | STUD, (M10 x 85) | 16-8M0034457 | 16-856900 |
7 | NUT, (M10) Brass/Nickel Plated | 11-826292 | |
8 | PULLEY ASSEMBLY | 8M6005030 | |
9 | SCREW, (M10 x 35) Hex Flange - Stainless Steel | 10-4010835 | |
10 | BELT | 57-828507Q11 | 57-828507 11 |
11 | FLYWHEEL | 283-859619T1 | |
12 | NUT, (M16) | 11-42979 | |
13 | WASHER, (.641 x 1.250 x .190) | 12-33001 | |
14 | PLUG, Yellow | 19-45907 | |
15 | NUT, (M6) Stainless Steel | 11-401386 | |
16 | CABLE ASSEMBLY | 84-856583A5 | |
17 | WASHER | 12-4002319 | |
18 | SCREW, (M10 x 50) | 10-82130150 | |
19 | SCREW, (M6 x 12) | 10-82130012 |
Fuel Line Assembly
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Fuel Line Assembly:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | HOSE ASSEMBLY, Fuel (5.50 Feet-18/42.00 Inches) Comment: (2008 and Below) | 32-858610A39 | 32-858610A21 (2008 and Below) |
1 | HOSE ASSEMBLY, Fuel (8.00 Feet-30.00/60.00 Inches) Comment: (2008 and Below) | 32-858610A33 | 32-858610A12 (2008 and Below) |
1 | HOSE ASSEMBLY, Fuel (9.00 Feet-42.00/60.00 Inches) Comment: (2008 and Below) | 32-858610A31 | 32-858610A10, 32-16789A18 (2008 and Below) |
1 | HOSE ASSEMBLY, Fuel (9 Feet) With Primer Bulb Comment: (2009 and Up) | 32-8M8025356 | 32-8M0038610 (2009 and Up) |
1 | HOSE ASSEMBLY, Fuel (12 Feet) (12.00 Feet-30.00/108.00 Inches) Comment: (2008 and Below) | 32-877683Q12 | 32-858623Q12, 32-858623A12, 32-822379A12, 32-819380A12, FA599752, FS409752, 32-819380A 3, F216752, FA409752, F289752, FA178752, FA216752, FA284752, FA289752, FS409952 (2008 and Below) |
1 | HOSE ASSEMBLY, Fuel (12 Feet) Quicksilver Branded Comment: (2009 and Up) | 32-8M0044841 | 32-858110Q12 (2009 and Up) |
1 | HOSE ASSEMBLY, Fuel (12.00 Feet-30.00/108.00 Inches) Comment: (2008 and Below) | 32-877683T12 | 32-858623T12 (2008 and Below) |
1 | HOSE ASSEMBLY, Fuel (12 Feet) Mercury Branded Comment: (2009 and Up) | 32-8M0044837 | 32-858108K12 (2009 and Up) |
2 | HOSE, (9.00 Feet Bulk) Comment: (2008 and Below) | 32-85861079 | |
2 | HOSE, (9.00 Feet)(108.00 In.) Bulk Comment: (2009 and Up) | 32-8M0038468 | |
2 | HOSE, (100.00 Feet Bulk) Comment: (2008 and Below) | 32-858610100 | 32-16789100 (2008 and Below) |
2 | HOSE, (100.00 Feet Bulk) Comment: (2009 and Up) | 32-8M0038500 | |
3 | BULB ASSEMBLY, Primer (Yellow Washer) | 13330K07 | |
3 | BULB ASSEMBLY, Primer (Yellow Washer) | 13330K07 | |
3 | BULB ASSEMBLY, Primer (Yellow Washer) | 13330Q07 | |
4 | CHECK VALVE ASSEMBLY, Inlet | 21-13331A3 | |
5 | CHECK VALVE ASSEMBLY, Outlet | 21-13331A4 | |
6 | CLAMP, Nylon, Large | 54-4158210 | |
7 | CLAMP, Nylon, Small | 54-41582Q7 | |
8 | CLAMP, Nylon, Small | 54-41582Q7 | |
8 | CLAMP, Worm Gear | 54-815504104 | 54-54428, 54-809952104, 54-8M2001484, 54-F9005, F24772, F24788, F901788 |
Fuel Management
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Fuel Management:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | MANAGEMENT ASSEMBLY, Fuel | 880004T08 | 880004T07 |
1 | ADAPTOR PLATE | 883951T1 | |
2 | GASKET | 27-804680 | |
3 | REED BLOCK | 828623T4 | |
4 | SCREW, (M6) | 10-8555252 | |
5 | BUSHING | 23-855364 | |
6 | GROMMET | 25-855362001 | 25-855362 |
7 | SCREW, (M8 x 35) | 10-81893435 | |
8 | WASHER, (.344 x 1.00 x .063) Stainless Steel | 12-817274 | 12-817274 1 |
9 | SCREW, (M8 x 30) | 10-81893430 | |
10 | PLENUM KIT, Air | 883950T1 | |
11 | GASKET | 27-804679004 | 27-804679 3 |
12 | SCREW, (M6 x 16) | 10-1993716 | |
13 | BRACKET, MAP Sensor | 884522 | 804873, 841095 |
14 | SENSOR, MAP | 854445 | |
15 | SENSOR ASSEMBLY | 8M0148668 | |
16 | O-RING, (1.78 mm x .08 mm) | 25-896699 | 25-888814 |
17 | THROTTLE BODY KIT | 883949T1 | |
18 | SCREW, (M6 x 40) | 10-82130040 | |
19 | O-RING | 25-855426 | |
20 | LEVER ASSEMBLY, Throttle | 858851A03 | |
21 | ROLLER | 8M0072162 | 889610, 840968 |
22 | WASHER, (.203 x .500 x .032) | 12-8M0204666 | |
23 | NUT, Stainless Steel | 8-32,11-826709104 | 11-846115 |
24 | SCREW, Special | 10-889354 | |
25 | WASHER, Cupped | 12-881991 | |
26 | WASHER, Spool | 12-881992 | |
27 | LOCKWASHER, External | 10,13-69432 | |
28 | CAM ASSEMBLY | 858353A08 | 858353A 3 |
29 | BALL, Threaded | 8235694 | |
30 | BUSHING | 23-8M0215006 | |
31 | BUSHING | 23-8807371 | |
32 | SCREW, (M8 x 55) Stainless Steel | 10-40011155 | |
33 | WASHER, (.330 x .750 x .060) Stainless Steel | 12-56720 | |
34 | FITTING | 22-993211 | |
35 | PUMP ASSEMBLY, Oil | 8M0185615 | |
36 | BRACKET | 883926 | |
37 | SCREW, (M4 x 16) | 10-883942 | |
38 | SCREW, (M6 x 25) | 10-82130025 | |
39 | WASHER | 12-8M0214930 | |
40 | GROMMET | 25-8M0190980 | |
41 | BUSHING | 23-822003 | |
42 | FUEL RAIL | 883952T1 | |
43 | RETAINER | 8833821 | |
44 | SCREW, (#8-32 x .380) | 10-840118 | |
45 | INJECTOR ASSEMBLY | 840481T01 | 840481001, 840481, 883381 |
46 | O-RING KIT | 25-895239A01 | |
47 | TUBE | 8832151 | |
48 | O-RING | 25-883355 | |
49 | FITTING | 22-883940 | |
50 | SCREW, (#10-24 x .375) | 10-883376 | |
51 | RETAINER | 883382 | |
52 | O-RING, (.239 x .070) | 25-20385 | |
53 | HARNESS ASSEMBLY, Fuel Rail | 84-880745T1 | |
54 | CLAMP | 54-883941 | |
55 | J CLIP (Use where Applicable) | 54-8M0024808 | |
56 | SCREW, (M6 x 40) | 10-82130040 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Fuel Pump
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Fuel Pump:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | PUMP KIT, Fuel | 14360A78 | |
1 | NOT SOLD SEPARATE, Fuel Pump | NSS | |
- | DIAPHRAGM KIT | 21-857005A1 | |
2 | NOT SOLD SEPARATE, Disc Check Valve | NSS | |
3 | NOT SOLD SEPARATE, Diaphragm | NSS | |
4 | NOT SOLD SEPARATE, Retainer | NSS | |
5 | NOT SOLD SEPARATE, Spring | NSS | |
6 | NOT SOLD SEPARATE, Cap | NSS | |
7 | NOT SOLD SEPARATE, Spring | NSS | |
8 | NOT SOLD SEPARATE, Cap | NSS | |
9 | NOT SOLD SEPARATE, Diaphragm | NSS | |
10 | NOT SOLD SEPARATE, Gasket-Boost | NSS | |
11 | NOT SOLD SEPARATE, Gasket-Pulse | NSS | |
12 | GASKET | 27-8M0204705 | |
13 | PLATE | 987752 | |
14 | FITTING, Straight (.125-27) | 22-16604 | |
15 | SCREW, (M5 x 40), Fuel Pump | 10-82104540 | |
16 | SCREW, (M6 x 50), Pump to Crankcase | 10-82130050 | |
17 | BASE | 144303 | |
18 | ELBOW, To Crankcase | 22-856842 | |
19 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
20 | HOSE, Pulse Line | 32-8M0064783 | 32-858800 |
21 | CONNECTOR | 22-822769 | |
22 | HOSE | 32-8M0064778 | 32-856817 2 |
23 | NOT SOLD SEPARATE, Cap | NSS | |
24 | HOSE/SLEEVE | 32-8M0064780 | 32-856818A 1 |
25 | HOSE, (57.00 Inches Bulk) (Cut to 16 Inches) | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
26 | CONNECTOR | 22-858955 | |
27 | CLAMP, Hose (15.3) | 54-8M0214964 | |
28 | HOSE | 32-8839461 | |
29 | HOSE, (40.00 Inches Bulk) (Cut to 15 Inches) To Elbow on Plenum | 32-8M0054213 | 32-855834 66 |
30 | HOSE, (40.00 Inches Bulk) (Cut to 28 Inches) To Oil Pump | 32-8M0054213 | 32-855834 66 |
31 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
32 | CONDUIT | 32-883965 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Gear Housing, Driveshaft-Standard/Counter Rotation
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Driveshaft-Standard/Counter Rotation:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete - Standard - Long | 1600-880686A43 | 1600-880686T29 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - X Long | 1600-880686A44 | 1600-880686T33 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - XX Long | 1600-880686A51 | 1600-880686T34 |
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - X Long | 1600-880686A52 | 1600-880686T38 |
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - XX Long | 1600-880686A53 | 1600-880686T39 |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 5/16 Inch Shift Crank Comment: SN# 1B853027 & Below | 1600-880687T01 | |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 1/4 Inch Shift Crank Comment: SN# 1B853028 & Up | 1600-8M0056631 | |
2 | FILLER BLOCK Comment: SN# 1B537639 & Below | 821526001 | 821526 SN# 1B537639 & Below |
2 | FILLER BLOCK Comment: SN# 1B537640 & Up | 8M0010459 | |
3 | PIN, Dowel - Without Hole (.375 x .625) | 17-43044 | |
4 | ANODE | 97-826134Q | 826134, 826134A 1 |
5 | SCREW, (M6 x 40) | 10-4000333 | |
6 | NUT, (M6) Stainless Steel | 11-401386 | |
7 | PLUG ASSEMBLY, (.375-16 x .250) | 10-79953A04 | |
8 | SEAL | 26-8M0204693 | |
9 | ANODE KIT Comment: Mercury | 97-76214T5 | |
9 | ANODE KIT Comment: Quicksilver | 97-76214Q5 | |
10 | SCREW, (.437-14 x 1.750) | 10-8M0204686 | |
11 | COVER ASSEMBLY Comment: Design-I | 8M0047129 | 880703A 1 Design-I |
11 | COVER ASSEMBLY Comment: Design-II | 8M0047129 | 880703A 1 Design-II |
12 | FITTING Comment: Design-I and II | 22-881866 | 22-859432 Design-I and II |
13 | O-RING, (799 x .103) Comment: Design-I and II | 25-896522 | |
14 | SEAL, Oil Comment: Design-I and II | 26-8M0204708 | |
15 | RETAINING RING Comment: Design-II | 53-8M0046563 | |
16 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
17 | WASHER | 12-77674 | |
18 | GASKET | 27-880729 | |
19 | SHIFT SHAFT | 824145 | |
20 | NOT SOLD SEPARATE, Pinion Gear Comment: Part of 43-892595A04 or 43-880720A03 | NSS | |
21 | NUT, (.625-18) | 11-35921 | |
22 | WASHER | 12-92721 | |
23 | BEARING ASSEMBLY, Roller | 31-42647A1 | |
24 | DRIVESHAFT, Long | 45-895079T | |
24 | DRIVESHAFT, X-Long | 45-895080T | |
24 | DRIVESHAFT, XX-Long | 45-895081T | |
25 | KEY, Also a Component of Water Pump Housing | 28-8M0204723 | |
26 | SHIM/BEARING ASSEMBLY Comment: SN# 1B792549 & Below | 15-884327A02 | |
27 | SHIM ASSEMBLY | 15-8M0063268 | |
28 | NOT SOLD SEPARATE, Roller Bearing Assembly Comment: SN# 1B792549 & Below | NSS | |
29 | NOT SOLD SEPARATE, Cup Comment: SN# 1B792549 & Below | NSS | |
30 | NOT SOLD SEPARATE, Roller Bearing Assembly Comment: SN# 1B792549 & Below | NSS | |
31 | NOT SOLD SEPARATE, Cup Comment: SN# 1B792549 & Below | NSS | |
32 | RETAINER | 8245191 | |
33 | HOUSING, Water Pump-Complete | 817275A09 | |
34 | SEAL KIT | 26-861415A1 | |
35 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
36 | IMPELLER | 47-43026T2 | |
37 | FACEPLATE | 8M0204709 | |
38 | RING, Retaining | 53-880719 | |
39 | CARRIER ASSEMBLY, Oil Seal | 8M0007131 | 888909A 1 |
40 | O-RING, (2.175 x .103) | 25-8M0142854 | |
41 | NOT SOLD SEPARATE, Oil Seal | NSS | |
42 | NOT SOLD SEPARATE, Oil Seal | NSS | |
43 | GASKET | 27-8172771 | |
44 | GASKET | 27-430331 | |
45 | COUPLING ASSEMBLY | 832942A1 | |
46 | O-RING, (1.046) | 25-8M0204654 | |
47 | O-RING, (.796 x .139) | 25-8M0204645 | |
48 | COUPLING | 43585 | |
49 | BEARING ASSEMBLY, Roller/Cup Comment: SN# 1B792550 & Up | 31-8M0146566 | |
50 | NOT SOLD SEPARATE, CUP Comment: SN# 1B792550 & Up | NSS | |
51 | SHIM SET Comment: SN# 1B792550 & Up | 15-8M0053110 | |
52 | BEARING, Tapered Roller Comment: SN# 1B792550 & Up | 31-8M0146553 | |
53 | NOT SOLD SEPARATE, CUP Comment: SN# 1B792550 & Up | NSS | |
- | SEAL KIT, Gear Housing | 26-830749A01 | |
- | REPAIR KIT, Water Pump-Upper | 817275A08 |
Gear Housing, Prop Shaft - Std Rotation 2B014225 & below
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Prop Shaft - Std Rotation 2B014225 & below:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete - Standard - Long | 1600-880686A43 | 1600-880686T29 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - X Long | 1600-880686A44 | 1600-880686T33 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - XX Long | 1600-880686A51 | 1600-880686T34 |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 5/16 Inch Shift Crank Comment: SN# 1B853027 & Below | 1600-880687T01 | |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 1/4 Inch Shift Crank Comment: SN# 1B853028 & Up | 1600-8M0056631 | |
2 | NOT SOLD SEPARATE, Plug | NSS | |
3 | CRANK, Shifter, 5/16 Pivot Pin Comment: SN# 1B853027 & Below | 896847A01 | 892075 SN# 1B853027 & Below |
3 | CRANK, Shifter, 1/4 Pivot Pin Comment: SN# 1B853028 & Up | 8M0220880 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Spool | NSS | |
6 | COTTER PIN | 18-469501 | |
7 | NOT SOLD SEPARATE, Sleeve Adjusting | NSS | |
8 | GEAR SET, Forward/Pinion | 43-892595A04 | |
9 | SHIM SET | 15-884328A01 | |
10 | BEARING ASSEMBLY, Roller | 31-8M0142836 | |
11 | NOT SOLD SEPARATE, Cup | NSS | |
12 | RING, Retaining | 53-8M0051043 | 53-23721 |
13 | THRUST WASHER | 12-8M0053823 | 12-892805 |
14 | BEARING ASSEMBLY, Roller-Tappered | 31-8M0142835 | |
15 | NOT SOLD SEPARATE, Cup | NSS | |
16 | CLUTCH | 52-880714T01 | |
17 | SPRING | 24-30893 | |
18 | PIN, Detent | 17-828356 | |
19 | PROPELLER SHAFT | 44-888530 | |
20 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
21 | GEAR, Reverse | 43-8M0118363 | |
22 | THRUST RING | 880699 | |
23 | SPACER, Thrust | 23-891919001 | |
24 | CARRIER ASSEMBLY, Bearing | 880696A08 | |
25 | SHIM SET | 15-891936A01 | |
26 | BEARING, Ball | 30-8M0142873 | |
27 | SEAL, Oil | 26-8M0204700 | |
28 | BEARING ASSEMBLY, Tapered | 31-8M0148319 | |
29 | NOT SOLD SEPARATE, Cup | NSS | |
30 | SEAL, Oil | 26-8M0204700 | |
31 | O-RING, (3.850 x .210) | 25-8M0142840 | |
32 | SCREW/SEAL KIT | 10-880717A01 | |
33 | SEAL | 26-8M0204693 | |
34 | KEYED WASHER | 14-880697 | |
35 | RETAINER | 8M2011027 | 79448 |
- | SEAL KIT, Gear Housing | 26-830749A01 |
Gear Housing, Prop Shaft - Std Rotation 2B014226 & up
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Prop Shaft - Std Rotation 2B014226 & up:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete - Standard - Long | 1600-880686A43 | 1600-880686T29 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - X Long | 1600-880686A44 | 1600-880686T33 |
- | GEAR HOUSING ASSEMBLY, Complete - Standard - XX Long | 1600-880686A51 | 1600-880686T34 |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 1/4 Inch Shift Crank Comment: SN# 1B853028 & Up | 1600-8M0056631 | |
2 | NOT SOLD SEPARATE, Plug | NSS | |
3 | CRANK, Shifter, 1/4 Pivot Pin Comment: SN# 1B853028 & Up | 8M0220880 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Spool | NSS | |
6 | COTTER PIN | 18-469501 | |
7 | NOT SOLD SEPARATE, Sleeve Adjusting | NSS | |
8 | GEAR SET, Forward/Pinion | 43-892595A04 | |
9 | SHIM SET | 15-884328A01 | |
10 | BEARING ASSEMBLY, Roller | 31-8M0142836 | |
11 | NOT SOLD SEPARATE, Cup | NSS | |
12 | RING, Retaining | 53-8M0051043 | 53-23721 |
13 | THRUST WASHER | 12-8M0053823 | 12-892805 |
14 | BEARING ASSEMBLY, Roller-Tappered | 31-8M0142835 | |
15 | NOT SOLD SEPARATE, Cup | NSS | |
16 | CLUTCH | 52-880714T01 | |
17 | SPRING | 24-30893 | |
18 | PIN, Detent | 17-828356 | |
19 | PROPELLER SHAFT | 44-8M0140446 | |
20 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
21 | GEAR, Reverse | 43-8M0118363 | |
22 | THRUST RING | 880699 | |
23 | SPACER | 23-8M0064306 | |
24 | SHIM SET | 15-8M0076745 | |
24 | WASHER, .020 | 12-8M0050423 | |
24 | WASHER, .022 | 12-8M0050424 | |
24 | WASHER, .024 | 12-8M0050425 | |
24 | WASHER, .026 | 12-8M0050427 | |
24 | WASHER, .028 | 12-8M0050428 | |
24 | WASHER, .030 | 12-8M0050429 | |
24 | WASHER, .032 | 12-8M0050430 | |
24 | WASHER, .034 | 12-8M0050431 | |
24 | WASHER, .036 | 12-8M0050432 | |
24 | WASHER, .038 | 12-8M0050433 | |
24 | WASHER, .040 | 12-8M0050434 | |
24 | WASHER, .042 | 12-8M0050435 | |
24 | WASHER, .044 | 12-8M0050436 | |
24 | WASHER, .046 | 12-8M0050437 | |
24 | WASHER, .048 | 12-8M0050438 | |
24 | WASHER, .050 | 12-8M0050439 | |
25 | CARRIER ASSEMBLY, Bearing | 8M0083392 | |
26 | BEARING, Ball | 30-8M0142873 | |
27 | SEAL, Oil | 26-8M0204700 | |
28 | BEARING ASSEMBLY, Tapered | 31-8M0148319 | |
29 | NOT SOLD SEPARATE, Cup | NSS | |
30 | SEAL, Oil | 26-8M0204700 | |
31 | O-RING, (3.850 x .210) | 25-8M0142840 | |
32 | SCREW/SEAL KIT | 10-880717A01 | |
33 | SEAL | 26-8M0204693 | |
34 | KEYED WASHER | 14-880697 | |
35 | RETAINER | 8M2011027 | 79448 |
- | SEAL KIT, Gear Housing | 26-830749A01 |
Gear Housing, Prop Shaft-Counter Rotation 2B014225 & below
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Prop Shaft-Counter Rotation 2B014225 & below:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - X Long | 1600-880686A52 | 1600-880686T38 |
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - XX Long | 1600-880686A53 | 1600-880686T39 |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 5/16 Inch Shift Crank Comment: SN# 1B853027 & Below | 1600-880687T01 | |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 1/4 Inch Shift Crank Comment: SN# 1B853028 & Up | 1600-8M0056631 | |
2 | NOT SOLD SEPARATE, Plug | NSS | |
3 | CRANK, Shifter, 5/16 Pivot Pin Comment: SN# 1B853027 & Below | 896847A01 | 892075 SN# 1B853027 & Below |
3 | CRANK, Shifter, 1/4 Pivot Pin Comment: SN# 1B853028 & Up | 8M0220880 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Spool | NSS | |
6 | COTTER PIN | 18-469501 | |
7 | NOT SOLD SEPARATE, Sleeve Adjusting | NSS | |
8 | GEAR, Reverse | 43-880723A02 | |
9 | BEARING ASSEMBLY, Roller | 31-8M0142836 | |
10 | NOT SOLD SEPARATE, Cup | NSS | |
11 | RING, Retaining | 53-8M0051043 | 53-23721 |
12 | THRUST WASHER | 12-8M0053823 | 12-892805 |
13 | BEARING ASSEMBLY, Roller-Tappered | 31-8M0142835 | |
14 | NOT SOLD SEPARATE, Cup | NSS | |
15 | SHIM SET | 15-884328A01 | |
16 | SPRING | 24-30893 | |
17 | CLUTCH | 52-880714T01 | |
18 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
19 | PIN, Detent | 17-828356 | |
20 | PROPELLER SHAFT | 44-888530 | |
21 | GEAR KIT, Forward/Pinion | 43-8M0119539 | 43-880720A03 |
22 | THRUST RING | 880699 | |
23 | BEARING, Thrust | 31-815480 | |
24 | CARRIER ASSEMBLY, Bearing | 880696A10 | |
25 | O-RING, (3.850 x .210) | 25-8M0142840 | |
26 | BEARING ASSEMBLY, Needle Rollers | 31-814653T | 31-814653, 31-814653001 |
27 | ADAPTOR, Bearing | 8M0148384 | |
28 | SHIM SET | 15-47397A1 | |
29 | SHIM SET | 15-891936A01 | |
30 | BEARING ASSEMBLY, Tapered | 31-8M0148319 | |
31 | NOT SOLD SEPARATE, Cup | NSS | |
32 | SEAL, Oil | 26-8M0204700 | |
33 | SEAL, Oil | 26-8M0204700 | |
34 | SCREW/SEAL KIT | 10-880717A01 | |
35 | SEAL | 26-8M0204693 | |
36 | ADAPTOR | 8M0053183 | 892818 |
37 | SPACER, Thrust | 23-891919001 | |
38 | KEYED WASHER | 14-880697 | |
39 | RETAINER | 8M2011027 | 79448 |
40 | NOT SOLD SEPARATE, Decal-Counter Rotation | NSS | |
- | SEAL KIT, Gear Housing | 26-830749A01 |
Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Prop Shaft-Counter Rotation 2B014226 & up:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - X Long | 1600-880686A52 | 1600-880686T38 |
- | GEAR HOUSING ASSEMBLY, Complete - Counter Rotation - XX Long | 1600-880686A53 | 1600-880686T39 |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 5/16 Inch Shift Crank Comment: SN# 1B853027 & Below | 1600-880687T01 | |
1 | GEAR HOUSING ASSEMBLY, Basic, Used With 1/4 Inch Shift Crank Comment: SN# 1B853028 & Up | 1600-8M0056631 | |
2 | NOT SOLD SEPARATE, Plug | NSS | |
3 | CRANK, Shifter, 5/16 Pivot Pin Comment: SN# 1B853027 & Below | 896847A01 | 892075 SN# 1B853027 & Below |
3 | CRANK, Shifter, 1/4 Pivot Pin Comment: SN# 1B853028 & Up | 8M0220880 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Spool | NSS | |
6 | COTTER PIN | 18-469501 | |
7 | NOT SOLD SEPARATE, Sleeve Adjusting | NSS | |
8 | GEAR, Reverse | 43-880723A02 | |
9 | BEARING ASSEMBLY, Roller | 31-8M0142836 | |
10 | NOT SOLD SEPARATE, Cup | NSS | |
11 | RING, Retaining | 53-8M0051043 | 53-23721 |
12 | THRUST WASHER | 12-8M0053823 | 12-892805 |
13 | BEARING ASSEMBLY, Roller-Tappered | 31-8M0142835 | |
14 | NOT SOLD SEPARATE, Cup | NSS | |
15 | SHIM SET | 15-884328A01 | |
16 | SPRING | 24-30893 | |
17 | CLUTCH | 52-880714T01 | |
18 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
19 | PIN, Detent | 17-828356 | |
20 | PROPELLER SHAFT | 44-8M0140446 | |
21 | GEAR KIT, Forward/Pinion | 43-8M0119539 | 43-880720A03 |
22 | THRUST RING | 880699 | |
23 | BEARING, Thrust | 31-815480 | |
24 | SHIM SET | 15-8M0076745 | |
24 | WASHER, .020 | 12-8M0050423 | |
24 | WASHER, .022 | 12-8M0050424 | |
24 | WASHER, .024 | 12-8M0050425 | |
24 | WASHER, .026 | 12-8M0050427 | |
24 | WASHER, .028 | 12-8M0050428 | |
24 | WASHER, .030 | 12-8M0050429 | |
24 | WASHER, .032 | 12-8M0050430 | |
24 | WASHER, .034 | 12-8M0050431 | |
24 | WASHER, .036 | 12-8M0050432 | |
24 | WASHER, .038 | 12-8M0050433 | |
24 | WASHER, .040 | 12-8M0050434 | |
24 | WASHER, .042 | 12-8M0050435 | |
24 | WASHER, .044 | 12-8M0050436 | |
24 | WASHER, .046 | 12-8M0050437 | |
24 | WASHER, .048 | 12-8M0050438 | |
24 | WASHER, .050 | 12-8M0050439 | |
25 | CARRIER ASSEMBLY, Bearing | 8M0083392 | |
26 | O-RING, (3.850 x .210) | 25-8M0142840 | |
27 | BEARING ASSEMBLY, Needle Rollers | 31-814653T | 31-814653, 31-814653001 |
28 | ADAPTOR, Bearing | 8M0148384 | |
29 | SHIM SET | 15-47397A1 | |
30 | BEARING ASSEMBLY, Tapered | 31-8M0148319 | |
31 | NOT SOLD SEPARATE, Cup | NSS | |
32 | SEAL, Oil | 26-8M0204700 | |
33 | SEAL, Oil | 26-8M0204700 | |
34 | SCREW/SEAL KIT | 10-880717A01 | |
35 | SEAL | 26-8M0204693 | |
36 | ADAPTOR | 8M0053183 | 892818 |
37 | SPACER | 23-8M0064306 | |
38 | KEYED WASHER | 14-880697 | |
39 | RETAINER | 8M2011027 | 79448 |
40 | NOT SOLD SEPARATE, Decal-Counter Rotation | NSS | |
- | SEAL KIT, Gear Housing | 26-830749A01 |
Mercathode Kit
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Mercathode Kit:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | MERCATHODE KIT | 88334A2 | |
2 | MERCATHODE ASSEMBLY | 88334A4 | |
3 | SCREW, (#9-14 x .875) | 10-22793 | |
4 | WASHER, (.192 x .375 x .0312) Stainless Steel | 12-30164 | |
5 | NUT, Brass | 10-32,11-45076 | |
6 | ELECTRODE ASSEMBLY | 72958A5 | |
7 | O-RING, (.796 x .139) | 25-8M0204645 | |
8 | SCREW, (#10-16 x 1.250) Stainless Steel | 10-87698 | |
9 | ANODE ASSEMBLY | 97-72957A5 | |
10 | O-RING, (.796 x .139) | 25-8M0204645 | |
11 | SCREW, (#10-16 x 1.250) Stainless Steel | 10-87698 | |
12 | FUSE, 20 Ampere | 88-8M0207796 | |
13 | CABLE ASSEMBLY, (5.00 Inches) Red | 84-95084A10 | |
14 | CABLE ASSEMBLY, (64.00 Inches) | 84-95084A13 | |
15 | CABLE ASSEMBLY, (72.00 Inches) Black | 84-79138A8 |
Oil Injection Components
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Oil Injection Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | TANK ASSEMBLY, Oil | 1200-8M0119508 | 1200-8M0064073, 1270-830889A10, 1270-830889A 4 |
2 | NOT SOLD SEPARATE, Decal-Reservoir | NSS | |
3 | SCREW, (.164-18 x .375) | 10-58376 | |
4 | WASHER, (.203 x .562 x .060) Stainless Steel | 12-72761 | |
5 | CAP ASSEMBLY | 36-814449A3 | |
6 | GASKET | 27-42999T | |
7 | SWITCH ASSEMBLY | 87-856156T02 | 87-856156A 2 |
8 | SCREW, (M8 x 35) | 10-81893435 | |
9 | WASHER | 12-4002318 | |
10 | GROMMET | 25-855362001 | 25-855362 |
11 | BUSHING | 23-855364 | |
12 | HOSE, (57.00 Inches Bulk) (Cut to 7 Inches) | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
13 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
14 | FITTING | 22-8M0207780 | |
15 | HOSE, (2.00 Inches) | 32-875283 | |
16 | FILTER, Oil - In Line | 35-875284T01 | 35-875284001, 35-875284 |
17 | HOSE | 32-875289 | |
18 | CONNECTOR | 22-858955 | |
19 | NOT SOLD SEPARATE, Plug | NSS | |
20 | HOSE, (24.00 Inches Braided) (Cut to 22 Inches) | 32-892830053 |
Port Bleed System
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Port Bleed System:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CHECK VALVE | 21-8282182 | |
2 | PIPE PLUG | 22-8272011 | |
3 | TUBING, (38.00 Inches Bulk) (Cut to 20-1/2 Inches) | 32-8M0054152 | 32-856060 65 |
4 | CHECK VALVE | 21-8159234 | |
5 | CHECK VALVE, 90 Degree (.0625-27) | 21-8592352 | |
6 | TUBING, (38.00 Inches Bulk) (Cut to 13 Inches) | 32-8M0054152 | 32-856060 65 |
7 | CHECK VALVE | 21-426585 | |
8 | PIPE PLUG | 22-8272011 | |
9 | CLIP | 54-23567 | |
10 | SCREW, (#10-16 x .500) | 10-878608 | 10-812832 |
11 | TUBING, (38.00 Inches Bulk) (Cut to 11 Inches) | 32-8M0054152 | 32-856060 65 |
12 | TUBING, (240.00 Inches Bulk) (Cut to 22-1/2 Inches) | 32-892024122 | 32-99130122 |
13 | SCREW, (M8 x 14) | 10-81893414 | |
14 | CLAMP | 54-859172 | |
15 | WASHER | 12-36001 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Power Trim Components
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Power Trim Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | POWER TRIM KIT | 855998A11 | 855998A08, 855998A07, 855998A10, 855998A09, 855998A05, 855998A 3 |
1 | TRIM MOTOR | 8M0031551 | |
2 | NOT SOLD SEPARATE, Armature | NSS | |
3 | NOT SOLD SEPARATE, End Frame | NSS | |
- | O-RING | 25-878285 | |
4 | SCREW, (M6 x 30) | 10-82494830 | |
5 | LOCKWASHER, (M6) | 13-400256 | |
6 | DRIVESHAFT | 8782451 | |
7 | PO CHECK KIT | 878410A1 | |
8 | VALVE KIT, Relief, Includes Reference #26 | 893929A01 | 813442A 2 |
9 | SHAFT KIT, Tilt Pivot | 8M0142997 | |
10 | PIN | 17-878267 | 17-44431 |
11 | CYLINDER KIT, Tilt | 878235A03 | 878235A02, 878235A 1 |
12 | END CAP KIT, Tilt Cylinder, Includes Reference #26 | 878239A02 | 878239A 1 |
13 | O-RING KIT, Includes Reference #26 | 8M0142999 | |
14 | SHOCK ROD KIT, Includes Reference #26 | 8M0168219 | |
15 | PISTON ASSEMBLY, Memory | 8M0143000 | |
16 | REPAIR KIT, Check Valve, Includes Reference #26 | 878406A02 | 878406A 1 |
17 | PISTON ASSEMBLY | 878414T01 | 878414A 1 |
18 | PISTON ASSEMBLY | 878413A1 | |
19 | END CAP ASSEMBLY | 1100-8M0021648 | 878243A 1 |
20 | RESERVOIR KIT | 878264A1 | |
21 | PLUG ASSEMBLY | 19-811613 | |
22 | SCREW, (M6 x 14) | 10-4000327 | |
23 | WASHER | 12-4002315 | |
24 | PUMP KIT | 892251A01 | 878411A 1 |
25 | REPAIR KIT, Power Trim | 878408A1 | |
26 | PIN, Trilobe | 17-821539 | 17-13794, 17-19603 |
27 | SCREW, (M10 x 30) | 10-858771 | |
28 | WASHER | 12-4002319 | |
29 | ANODE KIT | 97-818298Q1 | |
30 | SCREW, (M6 x 25) | 10-8M0204707 | |
31 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
32 | SHAFT | 99625002 | |
33 | C WASHER | 8M0084613 | 69205 |
34 | CLAMP | 54-26550 | |
35 | SCREW, (#10-16 x .600) | 10-878609 | 10-812832 1 |
36 | CONDUIT, (.350 Inside Diameter x 3.00 Feet Bulk), Cut to 12 Inches | 32-828547353 | |
37 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
Powerhead Gasket Set Components
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Powerhead Gasket Set Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GASKET SET, Powerhead | 27-832934A00 | |
0 | DIAPHRAGM KIT, Fuel Pump | 21-857005A1 | |
0 | NOT SOLD SEPARATE, Diaphragm | NSS | |
0 | NOT SOLD SEPARATE, Retainer | NSS | |
0 | NOT SOLD SEPARATE, Spring | NSS | |
0 | NOT SOLD SEPARATE, Cap | NSS | |
0 | NOT SOLD SEPARATE, Spring | NSS | |
0 | NOT SOLD SEPARATE, Cap-Spring End | NSS | |
0 | NOT SOLD SEPARATE, Gasket-Boost | NSS | |
0 | NOT SOLD SEPARATE, Gasket-Pulse | NSS | |
0 | GASKET, Fuel Pump | 27-8M0204705 | |
0 | GASKET, Fuel Management Adaptor Plate | 27-804680 | |
0 | O-RING, (3.237 x .103), Lower End Cap | 25-62700 | |
0 | SEAL, Cylinder Head | 818574 | |
0 | GASKET, Thermostat Cover | 27-8503181 | |
0 | O-RING, (.859 x .139), Crankshaft-Lower | 25-35126 | |
0 | O-RING, (1.989 x .070), Crankshaft-Upper | 25-823683 | 25-64067 |
0 | GASKET, Cylinder Block | 27-8329335 | |
0 | GASKET, Exhaust Plate | 27-8329344 | |
0 | GASKET, Relief Valve Cover and Plate | 27-88907003 | |
0 | SEAL, Thermostat Comment: Not used for this application | 26-854639001 | 26-854639 Not used for this application |
Reservoir Kit-Remote Oil(15943A1)
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Reservoir Kit-Remote Oil(15943A1):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | RESERVOIR KIT, Oil | 15943A1 | |
1 | TANK ASSEMBLY, Oil (1.8 Gallon Tank) | 15943A2 | |
2 | NOT SOLD SEPARATE, BRACKET, Tank Mount Comment: (Also sold with Bracket Kit Below) | NSS | |
3 | NOT SOLD SEPARATE, HANDLE/ROPE | NSS | |
- | BRACKET KIT, Oil Reservoir Hold Down Comment: (Includes ref. 2) | 824954A1 | |
4 | CORD/HOOK KIT | 12323A1 | |
5 | BRACKET, Hold Down | 12320 | |
6 | SCREW, (#12-11 x .750) | 10-79968 | |
7 | CAP ASSEMBLY, Oil Reservoir | 36-43298A2 | |
8 | NOT SOLD SEPARATE, CORD | NSS | |
9 | O-RING, (2.225 x .210), Cap | 25-11332 | |
10 | HOUSING ASSEMBLY, Adapter | 816190A4 | |
11 | CAP ASSEMBLY, Housing Adaptor | 36-43298A2 | |
12 | O-RING, (2.225 x .210) | 25-11332 | |
13 | TUBE, Oil Pick Up | 32-99802 | |
14 | HOSE, (114.00 Inches) | 32-99439 | |
15 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
Service/Support Material
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Service/Support Material:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | PARTS MANUAL, 200/225/250 (3.0L) EFI | 90-803199008 | |
- | SERVICE MANUAL | 90-884294R01 | 90-884294 |
- | OPERATION MANUAL, 225/250 GEN II, English | 90-10128081 | |
- | OWNERS MANUAL, 225/250 EFI 2-Stroke, Spanish | 90-10128J70 | |
- | OWNERS MANUAL, 225/250 EFI 2-Stroke, French | 90-10128D70 | |
- | DECAL SET, 225/250 Comment: (2B111193 and up) | 37-8M0094904 | |
- | DECAL, EPA Label Information Comment: (200) | 37-891764A06 | |
- | DECAL, EPA Label Information Comment: (225/250) | 37-804670A06 |
Shift Linkage
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Shift Linkage:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | BRACKET ASSEMBLY, Anchor | 899080T01 | |
2 | LATCH | 824016 | |
3 | DRIVE SCREW | 10-42975 | |
4 | CUP, Barrel Retainer | 824015 | |
5 | SWITCH | 87-8M0207794 | |
6 | SCREW, (M3.5 x 20) | 10-82470620 | |
7 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
8 | SHIFT RAIL | 8M0033943 | 899081 |
9 | SCREW, (M8 x 25 MM) | 8M0006893 | |
10 | SHIFT SHAFT, Upper Comment: Long | 8M0026171 | 899084001 Long |
10 | SHIFT SHAFT, Upper Comment: X Long | 8M0026172 | 899084002 X Long |
10 | SHIFT SHAFT, Upper Comment: XX Long | 8M0188525 | |
11 | BUSHING | 23-892263 | |
12 | NUT, (M6) Stainless Steel | 11-401386 | |
13 | WASHER, (.255 x .620 x .030) Stainless Steel | 12-69056 | |
14 | LINK, Shift | 899083 | |
15 | SLIDE, Shift | 8M0085621 | 899082 |
16 | PIN, Shift Link | 8M0000793 | |
17 | BUSHING | 23-896551 | |
18 | WASHER, (.255 x .620 x .030) Stainless Steel | 12-69056 | |
19 | NUT, (M6) Stainless Steel | 11-401386 | |
20 | PIN, Bow Tie Clip | 8M0001157 |
Solenoid Plate
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Solenoid Plate:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | NOT SOLD SEPARATE, Electrical Plate Assembly-Complete | NSS | |
1 | PLATE | 858366T2 | |
2 | SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals) | 89-817109A2 | |
3 | GROMMET | 25-822179 | |
4 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
5 | SCREW, (M6 x 25 MM) | 10-82129125 | |
6 | BUSHING | 23-8M0214955 | |
7 | RELAY ASSEMBLY | 8M0207773 | |
8 | NOT SOLD SEPARATE, Decal-Trim Relay | NSS | |
9 | BRACKET | 828102 | |
10 | BUSHING | 23-8M0214955 | |
11 | GROMMET | 25-818967 | |
12 | SCREW, (M6 x 10) | 10-82129110 | |
13 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
14 | CLIP | 54-828991T | 54-828991 |
15 | CLIP, (1.00) | 54-858755 | |
16 | HARNESS ASSEMBLY, Fuse - 100 Ampere | 84-878231A6 | |
17 | HARNESS ASSEMBLY, Trim | 84-819514T21 | 84-819514A21 |
18 | HARNESS ASSEMBLY, Engine | 84-892973T01 | |
19 | FUSE, Mini - Yellow - 20 Ampere Comment: (20 AMP) | 88-832969T20 | 88-832969 20 (20 AMP) |
19 | FUSE, Mini - Tan - 5 Ampere Comment: (5 AMP) | 88-832969T05 | 88-832969 5 (5 AMP) |
20 | COVER, Fuse | 858754 | |
- | HARNESS ASSEMBLY (TPS) | 879346A41 | 84-878073A 2 |
- | HARNESS ASSEMBLY, Encoder, Crank Position Sensor | 84-879964A2 | |
- | HARNESS ASSEMBLY, Alternator, Alternator | 84-881262A2 | |
21 | CABLE ASSEMBLY, Starter | 84-882829A1 | |
22 | CABLE ASSEMBLY, Battery - Positive | 84-88439A46 | |
23 | NUT, (.312-18) | 11-8M0204668 | |
24 | LOCKWASHER, (.312) | 13-53166 | |
25 | CAP NUT, | 10-32,11-813938 | |
26 | NUT, Brass | 10-32,11-45076 | |
27 | CABLE ASSEMBLY, (4.00 Inches) Black | 84-88807A16 | |
28 | CAP, Female | 13540 | |
28 | PLUG, Male | 13541 | |
29 | PCM, Propulsion Control Module Comment: (200) | 89790644T | 88555741T, 88555741S, 88555729S, 88555721S (200) |
29 | PCM, Propulsion Control Module Comment: (225) | 89790645T | 88555742T, 88555742S, 88555727S, 88555711S (225) |
29 | PCM, Propulsion Control Module Comment: (250) | 89790646T | 88555743T, 88555743S, 88555735S, 88555728S, 88555712S (250) |
30 | SCREW, (M6 x 25) | 10-82130025 | |
31 | WASHER, (.265 x .750 x .048) Stainless Steel | 12-65567 | |
32 | GROMMET | 25-8M0190980 | |
33 | BUSHING | 23-856954 | |
34 | CLIP | 54-891520001 | |
35 | SCREW, (M6 x 14) | 10-82129114 | |
36 | BRACKET | 892295F01 | |
37 | GROMMET | 25-8M0190980 | |
38 | BUSHING | 23-822003 | |
39 | SENSOR, Pressure (0 - 100 PSI) | 881879T11 | 881879011, 881879A 6 |
40 | FITTING | 22-8M0207782 | |
41 | CLIP, (.865) | 54-883066 | |
42 | CLIP | 54-879962 | |
43 | SCREW, (M6 x 25) | 10-82130025 | |
44 | SCREW, (M6 x 12) | 10-82130012 | |
45 | CABLE ASSEMBLY, Battery - Negative | 84-88439A26 | |
46 | SCREW, (M8 x 20) | 10-81893420 | |
47 | HARNESS ASSEMBLY (200/3.0L Work) | 84-882815A1 | |
48 | CONNECTOR ASSEMBLY, Weather Cap 6 Pin | 877613A02 | |
49 | CONNECTOR ASSEMBLY, Weather Cap - Male | 830796A04 |
Speedometer/Block Pressure System
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Speedometer/Block Pressure System:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | FITTING | 22-881866 | 22-859432 |
2 | TUBING, (52.00 Inches Bulk) (Cut to 44 Inches) | 32-85978571 | |
3 | COUPLER | 22-8M0214971 | |
4 | PLUG | 22-859732 | |
5 | FITTING, Adapter | 22-8M0214970 | |
6 | TUBING, (52.00 Inches Bulk) (Cut to 5 Inches) | 32-85978571 | |
7 | TEE, Fitting, To Coil Plate Sensor | 22-875207 | |
8 | TUBING, (72.00 Inches Bulk) (Cut to 52 Inches) | 32-85944975 |
Starboard Bleed System
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Starboard Bleed System:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | TUBING, (38.00 Inches Bulk) (Cut to 15-1/2 Inches) | 32-8M0054152 | 32-856060 65 |
2 | CHECK VALVE, 90 Degree (.0625-27) | 21-8592352 | |
3 | TUBING, (38.00 Inches Bulk) (Cut to 16-1/2 Inches) | 32-8M0054152 | 32-856060 65 |
4 | TUBING, (38.00 Inches Bulk) (Cut to 15 Inches) | 32-8M0054152 | 32-856060 65 |
5 | CLIP | 54-23567 | |
6 | SCREW, (#10-16 x .500) | 10-878608 | 10-812832 |
7 | CHECK VALVE | 21-8282182 | |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
Starter Motor
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Starter Motor:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | STARTER MOTOR ASSEMBLY | 50-892339T01 | 50-892339T, 50-853329T |
2 | NOT SOLD SEPARATE, Thru Bolt | NSS | |
3 | GEAR KIT | 43-880805A1 | |
4 | SOLENOID KIT | 809463A1 | |
5 | BRUSH SET | 8M0065258 | |
6 | SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel | 10-69035 | |
7 | CABLE ASSEMBLY, (6.00 Inches) Black | 84-93388A1 | |
8 | DECAL, Warning | 37-8272822 | |
9 | LOCKWASHER, (M5) | 13-400255 | |
10 | NUT, (M5) Stainless Steel | 11-400211 | |
11 | LOCKWASHER, (.312) | 13-8M0204647 | |
12 | NUT, (M8) Stainless Steel | 11-400213 | |
13 | COLLAR | 23-8M0034918 | 23-8M0001391, 56703 |
14 | STOP | 8M0043276 | 879845 |
Swivel Bracket and Steering Arm
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Swivel Bracket and Steering Arm:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | SWIVEL BRACKET ASSEMBLY, Black | 1499-8M0102865 | 1499-8710T20 |
2 | O-RING | 25-8M0214926 | |
3 | BUSHING | 23-818764 | 23-67669 |
4 | SPACER | 23-816039 | |
5 | SEAL, Oil (Lower) | 26-87735 | |
6 | FITTING, Grease | 22-8M0169589 | |
7 | BUSHING | 23-821207 | 23-99608 |
8 | THRUST WASHER | 12-816432 | |
9 | YOKE, Bottom | 826364T | 826364F 1 |
10 | RING, Retaining | 53-67684 | |
11 | STRIKER PLATE | 8M0045383 | 99630 1 |
12 | LOCKWASHER, (.375) | 13-58643 | |
13 | NUT, (.375-24) | 11-46335 | |
14 | SCREW, (.250-28 x .500) | 10-64014 | |
15 | NOT SOLD SEPARATE, Decal-Serial Overlaminate | NSS | |
16 | SENDER ASSEMBLY, Trim | 8M0074846 | 821180A 6 |
17 | SCREW, (#10-24 x .750) | 10-852368 | 10-56682 |
18 | LOCKWASHER, Stainless Steel | 10,13-26996 | |
19 | WASHER, (.203 x .406 x .040) | 12-89302 | |
20 | SWIVEL PIN ASSEMBLY, Steering Arm - Stainless Steel | 17-8M0132731 | |
21 | SCREW, (M12 x 190) | 10-8M0141069 | |
22 | BUMPER | 824998001 | 824998 |
23 | MOUNT, Upper | 8163851 | |
24 | WASHER | 12-8154371 | |
25 | WASHER | 12-815436 | |
26 | NUT, (M12) | 11-896963 | 11-859129, 11-90099 |
27 | CLAMP | 8M0036783 | 813769 |
28 | SCREW, (M8 x 35) | 10-81893435 | |
29 | LINK ROD ASSEMBLY | 92876A12 | |
30 | SCREW, (.375-24 x 1.250) | 10-849838 | 10-14000 |
31 | NUT, (.375-24) Stainless Steel | 11-8M0204726 | |
31 | NUT, (.375-24) Brass | 11-8M0204726 | |
32 | WASHER, (.390 x .625 x .062) Stainless Steel | 12-37828 |
Throttle Linkage
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Throttle Linkage:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | LEVER | 8M0040987 | 825268 2 |
2 | SCREW, (M8 x 35) | 10-81893435 | |
3 | WASHER | 12-36042 | |
4 | BUSHING | 23-821113 | |
5 | SCREW, (M6 x 55) | 10-40124 | |
6 | NUT, (M6) Stainless Steel | 11-400212 | |
7 | CAP | 42942 | |
8 | INSERT | 42927 | |
9 | NUT, (M6) Stainless Steel | 11-401386 | |
10 | WASHER | 12-35459 | |
11 | BUSHING | 23-8M0215006 | |
12 | LINK, To Cam | 8583541 |
Tools
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Tools:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
0 | DIAL INDICATOR TOOL | 91-58222A1 | |
0 | HARNESS ASSEMBLY, DDT Adaptor (Electricl/Ignition) | 84-822560A5 | |
0 | FLYWHEEL HOLDER TOOL, Teeth Type | 91-52344 | |
0 | STAND TOOL, Powerhead | 91-827001A1 | |
0 | CABLE ASSEMBLY, DDT (Electricl/Ignition) | 84-825003A1 | |
0 | MULTI-METER KIT, DMT 2004 (Electricl/Ignition) | 91-892647A01 | |
0 | CAP TOOL, Flywheel Puller | 91-24161 | |
0 | SWITCH ASSEMBLY (Electricl/Ignition) | 91-52024A1 | |
0 | TESTER, Eight Chamber (Electricl/Ignition) | 91-850439T1 | |
0 | GAP TOOL, Single Chamber (Electricl/Ignition) | 91-63998A1 | |
0 | TIMING LIGHT (Electricl/Ignition) | 91-99379 | |
0 | GAUGE TOOL (Powerhead) | 91-29287 | |
0 | SLEEVE (Powerhead) | 91-55919 | |
0 | LIFTING EYE (Powerhead) | 91-904551 | |
0 | INSTALLATION TOOL, Lock Ring (Powerhead) | 91-93004A2 | |
0 | REMOVAL TOOL, Piston Pin Lock Ring (Powerhead) | 91-52952T1 | |
0 | MANDREL TOOL, Piston Pin (Powerhead) | 91-92973A1 | |
0 | EXPANDER TOOL, Piston Ring (Powerhead) | 91-24697 | |
0 | STAND, Powerhead | 91-812549T | 91-812549 |
0 | COMPRESSOR TOOL, Piston Ring (3.625) (Powerhead) | 91-823237T | 91-823237 |
0 | TORQUE WRENCH, (0-150 lb-in) | 91-66274 | |
0 | PULLER PLATE, Universal | 91-37241 | |
0 | ALIGNMENT TOOL (Trim/Tilt System) | 91-112301 | |
0 | SPANNER WRENCH (Trim/Tilt System) | 91-74951 | |
0 | HEAT LAMP (Trim/Tilt System) | 91-63209 | |
0 | ROD TOOL, Backlash Indicator Flag (Gear Housing) | 91-53459 | |
0 | INDICATOR TOOL, Backlash (Gear Housing) | 91-8M0053505 | 91-78473 |
0 | DRIVER TOOL, Bearing (Gear Housing) | 91-816244 | |
0 | REMOVAL TOOL, Bearing (Gear Housing) | 91-816245 | |
0 | MANDREL, Bearing Driver Cup (Gear Housing) | 91-31106T | |
0 | DRIVER TOOL, Bearing Cup (Gear Housing) | 91-87120T | |
0 | TOOL, Preload (Gear Housing) | 91-14311A04 | |
0 | PULLER KIT, Bearing (Gear Housing) | 91-31229A7 | |
0 | MANDREL (Gear Housing) | 91-15755T | |
0 | DRIVE HEAD TOOL (Gear Housing) | 91-36569T | |
0 | DRIVER ROD TOOL, Needle Bearings (Gear Housing) | 91-37323 | |
0 | WRENCH TOOL, Driveshaft Bearing (Gear Housing) | 91-36571T | |
0 | INSTALLER TOOL, Bearing (Gear Housing) | 91-38628T | |
0 | NUT, (.625-18) (Gear Housing) | 11-24156 | |
0 | PLATE (Gear Housing) | 91-29310 | |
0 | WASHER (Gear Housing) | 12-34961 | |
0 | RETAINING TOOL, Bearing (Gear Housing) | 91-43506T | |
0 | WASHER (Gear Housing) | 12-54048 | |
0 | INSTALLATION TOOL, Cross Pin (Gear Housing) | 91-86642 | |
0 | ADAPTER KIT, Dial Indicator (Gear Housing) | 91-83155 | |
0 | HOLDING TOOL, Dial Indicator (Gear Housing) | 91-89897 | |
0 | DRIVER CUP (Gear Housing) | 91-36577T | |
0 | ADAPTOR TOOL, Driveshaft (Gear Housing) | 91-61077T | |
0 | HOLDING TOOL, Driveshaft (Gear Housing) | 91-56775T | |
0 | DRIVER CUP (Gear Housing) | 91-36577T | |
0 | ADAPTOR TOOL, Driveshaft (Gear Housing) | 91-61077T | |
0 | HOLDING TOOL, Driveshaft (Gear Housing) | 91-56775T | |
0 | FOWARD GEAR INSTALLATION TOOL (Gear Housing) | 91-815850 | |
0 | INSTALLER TOOL, Needle Bearing - Forward Gear (Gear Housing) | 91-86943T | |
0 | NUT TOOL, Gear Housing Cover (Gear Housing) | 91-61069T | |
0 | GUIDE PLATE (Gear Housing) | 91-816243 | |
0 | PULLER, Long, Slide Hammer (Gear Housing) | 91-816242 | |
0 | MANDREL (Gear Housing) | 91-92788T | |
0 | DRIVER (Gear Housing) | 91-33491 | |
0 | DRIVER, Oil Seal (Gear Housing) | 91-31108T | |
0 | DRIVER TOOL, Oil Seal (Gear Housing) | 91-817569T | 91-817569 |
0 | TOOL, Pinion Locating (Gear Housing) | 91-12349A05 | |
0 | TOOL, Shimming (Gear Housing) | 91-56048001 | |
0 | WRENCH TOOL, Pinion Nut (Gear Housing) | 91-61067A04 | |
0 | PROPELLER SHAFT (Gear Housing) | 44-93003 | |
0 | PULLER BOLT TOOL, Bearing Carrier (Gear Housing) | 91-85716 | |
0 | PULLER JAW ASSEMBLY (Gear Housing) | 91-46086A1 | |
0 | INSTALLATION TOOL, Bearing Adaptor (Gear Housing) | 91-18605A2 | |
0 | PULLER ASSEMBLY, Slide Hammer (Gear Housing) | 91-34569A1 | |
0 | GUIDE TOOL, Water Pump Alignment Pins (Gear Housing) | 91-821571A1 | |
0 | CLAMP TOOL KIT (Fuel System) | 91-803146A04 | 91-803146A 2 |
0 | GAUGE KIT, Air/Fuel Pressure (Fuel System) | 91-881833A03 | 91-881833A 2 |
0 | SEAL KIT, Wire Harness (Electricl) | 91-881814A1 |
Top Cowl
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Top Cowl:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | TOP COWL ASSEMBLY, Black | 100-889246T86 | |
1 | TOP COWL ASSEMBLY, Silver | 4001-880012T36 | 4001-880012T 2 |
2 | SCREW, (M6 x 30) | 10-82130030 | |
3 | SOUND BLANKET KIT | 880014A02 | 880014A 1 |
4 | NOT SOLD SEPARATE, Sound Blanket-Top | NSS | |
5 | NOT SOLD SEPARATE, Sound Blanket-Port | NSS | |
6 | WASHER, (.250 External Star) | 13-93702 | |
7 | COVER | 826639T | |
8 | BRACKET ASSEMBLY, Cowl | 8M0010389 | |
9 | NOT SOLD SEPARATE, Pin | NSS | |
10 | RING, Retaining | 53-8237951 | |
11 | ROLLER | 8M0207770 | |
12 | GROMMET | 25-850685T02 | 850685002, 25-850685 1 |
13 | BRACKET, Front | 8M0036792 | 821249M 2 |
14 | SCREW, (M6 x 20) | 10-82130020 | |
15 | BUMPER, Latch | 815477 | |
16 | PIN, Roll | 8155381 | |
17 | NUT, (M6) Stainless Steel | 11-401366 | |
18 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
19 | RING, Retaining | 53-8237951 | |
20 | ROLLER | 8M0207770 | |
21 | WASHER | 12-87161 | |
22 | NOT SOLD SEPARATE, Decal-Break-In | NSS | |
23 | NOT SOLD SEPARATE, Decal-Counter Rotation | NSS | |
- | DECAL SET Comment: (Mercury 200) | 37-891822A06 | |
- | DECAL, (200) | 37-897516002 | |
- | DECAL, (3.0L) | 37-859264017 | |
- | DECAL SET Comment: (Mercury 225) | 37-809693A06 | |
- | DECAL, (225) | 37-897517002 | |
- | DECAL, (3.0L) | 37-859264017 | |
- | DECAL SET Comment: (Mercury 250) | 37-891877A06 | |
- | DECAL, (250) | 37-897517003 | |
- | DECAL, (3.0L) | 37-859264017 | |
- | DECAL SET Comment: (Mariner 225 Long) | 37-827438A03 | 37-827438A02 (Mariner 225 Long) |
- | DECAL SET Comment: (Mariner 225 X-Long) | 37-883284A03 | 37-883284A02 (Mariner 225 X-Long) |
- | DECAL SET Comment: (Mariner 250) | 37-809168A03 | 37-809168A02 (Mariner 250) |
Transom Brackets
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Transom Brackets:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | TRANSOM BRACKET KIT | 3425-828333A09 | |
1 | NOT SOLD SEPARATE, Transom Bracket-Starboard | NSS | |
2 | NOT SOLD SEPARATE, Transom Bracket-Port | NSS | |
3 | FITTING, Grease, Port | 22-8M0169588 | |
4 | TILT TUBE | 826125A1 | |
5 | NUT, (1.00-14) Nylon Insert | 11-826135 | |
6 | O-RING, (.612 x .103) | 25-45711 | |
7 | WASHER | 13-88750 | |
8 | NUT, (.875-14) | 11-826164 | |
9 | SCREW, (.500-20 x 4.500) | 10-8M0149747 | |
9 | SCREW, (.500-20 x 5 Inches) | 10-8M0204730 | |
10 | WASHER, (.530 x .870 x .105) Stainless Steel | 12-8M0204665 | |
11 | WASHER, (1.5 x 3.05 x 0.13) Stainless Steel | 12-8M0204648 | |
12 | NUT, (.500-20) | 11-82671117 | |
13 | LEVER ASSEMBLY, Tilt Lock | 8M0115104 | 8M0115103, 99629T 2 |
14 | SPRING, Tension | 24-830899 | |
15 | NYLINER | 23-65830 | |
16 | SPRING, Compression | 24-830900 | |
17 | KNOB | 99633 | |
18 | PIN, Groove | 17-99615 | |
19 | PIN | 17-893709 | 17-99617 |
20 | DECAL, Warning | 37-8M0043059 |
Vapor Separator Components
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Vapor Separator Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | COVER KIT, Vapor Separator | 883245T04 | 883245T 2 |
2 | FITTING, Straight | 22-881740 | |
3 | FITTING | 22-883249 | |
4 | NOT SOLD SEPARATE, Elbow | NSS | |
5 | FITTING KIT | 22-885186A1 | |
6 | O-RING, (.468 x .078) | 25-831985 | 25-885187 |
7 | FILTER | 35-885188 | 35-823501 |
8 | VALVE | 883219 | |
9 | O-RING | 25-8M0062785 | 25-883209 |
10 | CAP | 883220 | |
11 | PLUG | 19-883208 | 19-881830 |
12 | SEAL | 26-883248 | |
13 | GASKET | 27-883252 | |
14 | REGULATOR | 883257T1 | |
15 | O-RING KIT | 25-883593A1 | |
16 | WASHER | 12-883258 | |
17 | SCREW, (M5 x .8) | 10-883261 | |
18 | SCREW, (M5 x .8) | 10-883261 | |
19 | WIRE ASSEMBLY | 84-881831 | |
20 | SCREW AND WASHER, (#8-32 x .750) | 1395-808612 | 1399-5132 |
21 | FLOAT KIT | 883253A1 | |
22 | SHAFT | F10064 | |
23 | VALVE/SEAT KIT, Inlet | 883247A1 | |
24 | SCREW, (M6 x 16) | 10-883223 | |
25 | FILTER, Fuel-Water Separating | 35-18458Q4 | |
26 | PROBE | 8M0204710 | |
27 | BAFFLE | 889318002 | 883260 |
28 | SCREW, (M6 x 16) | 10-883223 | |
29 | PUMP KIT | 881705T1 | |
30 | SLEEVE | 8M6000589 | 23-855428 |
31 | BOWL KIT | 883256T1 | |
32 | SEAL | 26-883248 | |
33 | PLUG KIT | 19-855435A1 | |
34 | O-RING | 25-8M0062785 | 25-883209 |
35 | SCREW, (M6 x 8) | 10-16955 |
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For Mercury Owners:
To assist you in maintaining and repairing your marine engines, we hope the following resources may be of use:
-
Mercury / Mercruiser / Mariner Parts from JLM Marine
- Mercury Thermostat
- Mercury Water Pump
- Mercury Water Pump Impeller
- Mercury Water Pump Impeller Kit
- Mercury Carburetor
- Mercury Carburetor Repair Kit
- Mercury Fuel Pump
- Mercury Fuel Pump Kit
- Mercury Air Filter
- Mercury Oil Filter
- Mercury Oil Seal
- Mercury Fuel Filter
- Mercury Gasket
- Mercury Relay
- Mercury Ignition Switch
- Mercury Trim Tilt Switch
- Mercury Ignition Sensor
- Mercury Spark Plug Wire
- Mercury Water Distribution Housing
- Mercury Bellow
- Mercury Bellows Kit
- Mercury Serpentine Pulley
- Mercury Accessories
- Mercury Belt
- Mercury Oil Plug
- Mercury Drain Plug
- Mercury Bellows Replacement Tool
About JLM Marine
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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