Mercury 250 (3.0L EFI) (0T801000 THRU 1B417701) 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 Comment: SN# 0T979999 & Below | 892854T01 | 880009T02, 880009T 1 SN# 0T979999 & Below |
1 | COVER, Flywheel Comment: SN# 0T980000 & Up | 892854T01 | 880009T02, 880009T 1 SN# 0T980000 & Up |
2 | GROMMET, (.88 Inside Diameter) | 25-13467 | |
3 | GROMMET Comment: SN# 0T979999 & Below | 25-8M0153609 | |
3 | GROMMET Comment: SN# 0T980000 & Up | 25-8M0153609 | |
4 | PLUG Comment: SN# 0T979999 & Below | 19-89219001 | |
4 | PLUG Comment: SN# 0T980000 & Up | 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 Comment: (Start In Gear) | 37-881865 | 37-825064 (Start In Gear) |
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 (Port) | 113-850302A1 | |
2 | PLUG | 854367001 | 854367 |
3 | BOTTOM COWL, Starboard (Starboard) | 113-850301A1 | |
4 | SEAL, (44.00 Inches) | 8M0109218 | |
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 Comment: SN# 1B226999 & Below | 87-8M0235191 | |
16 | SWITCH, Trim Comment: SN# 1B227000 & Up | 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, Cowl | 852361T1 | |
24 | WAVE WASHER | 13-29402 |
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 | 54-828991T | 54-828991 |
6 | SPARK PLUG | 33-941 | |
7 | HARNESS ASSEMBLY, Coil Comment: SN# 1B226999 & Below | 84-882757T1 | |
7 | HARNESS ASSEMBLY, Coil Comment: SN# 1B227000 & Up | 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 Comment: SN# 0T979999 & Below | 22-8M0207782 | |
16 | FITTING Comment: SN# 0T980000 & Up | 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 | NOT SOLD SEPARATE, Wear Sleeve | NSS | |
3 | BEARING, Ball (Lower) | 30-67923T | |
4 | RING | 53-67446 | |
5 | RING Comment: SN# 0T979999 & Below | 39-843198T01 | 39-843198001, 39-816106 SN# 0T979999 & Below |
5 | RING, Seal Comment: SN# 0T980000 & Up | 39-843198T01 | 39-843198001, 39-816106 SN# 0T980000 & Up |
6 | KEY, Woodruff | 28-91800 | |
7 | O-RING, (.859 x .139) | 25-35126 | |
8 | RACE ASSEMBLY | 31-88270A02 | |
9 | NOT SOLD SEPARATE, Needle Roller | NSS | |
10 | PISTON Comment: (Starboard-Standard) | 700-858295T14 | 700-858295T 1 (Starboard-Standard) |
10 | PISTON Comment: (Port-Standard) | 700-858294T14 | 700-858294T 1 (Port-Standard) |
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 Comment: (Standard) | 39-858772A12 | |
12 | RING SET, Piston Comment: (.015 oversize) | 39-875252A12 | 39-856939A12, 39-826293A12 (.015 oversize) |
12 | RING SET, Piston Comment: (.030 oversize) | 39-875257A12 | 39-826297A12, 39-856940A12 (.030 oversize) |
13 | NOT SOLD SEPARATE, Piston Ring-Lower | NSS | |
14 | CONNECTING ROD ASSEMBLY Comment: SN# 1B105071 & Below | 600-8M0125869 | |
14 | CONNECTING ROD ASSEMBLY Comment: SN# 1B105072 & Up | 600-8M0125869 | |
15 | SCREW, (.375-24 x 1.250) | 10-94320 | |
16 | BEARING/CAGE KIT | 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: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 Comment: (225) | 885-899162A06 | 885-9811T92 (225) |
1 | CYLINDER BLOCK Comment: (200/3L Work) | 885-899162A05 | 885-9811T91 (200/3L Work) |
1 | CYLINDER BLOCK 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 | PLUG Comment: SN# 0T979999 & Below | 19-850309001 | 19-850309 SN# 0T979999 & Below |
10 | PLUG, Stop Comment: SN# 0T980000 & Up | 19-850309001 | 19-850309 SN# 0T980000 & Up |
11 | SCREW, (M8 x 35) | 10-81893435 | |
12 | SCREW, (M10 x 80) | 10-82446180 | |
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 12) Comment: (Flange Head) | 10-82130012 | |
28 | SCREW, (M6 x 10) Comment: (Socket Head) | 10-82494810 | |
29 | GROMMET Comment: SN# 0T979999 & Below | 25-19565002 | |
29 | GROMMET Comment: SN# 0T980000 & Up | 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 Comment: (200/225/250) | 812851A27 | 812851A22, 812851A19 (200/225/250) |
35 | CYLINDER HEAD Comment: (3L Work) | 812851A26 | 812851A21, 812851A18 (3L Work) |
36 | SEAL | 884391 | |
37 | THERMOSTAT, 54°C (130°F) (130 Degrees) Comment: SN# 0T947111 & Below | 8M0057307 | 885599004, 885599003, 885599 1 SN# 0T947111 & Below |
37 | THERMOSTAT, 54 Degree C/130 Degree F Comment: SN# 0T947112 & Up | 8M0057307 | 885599004, 885599003, 885599 1 SN# 0T947112 & Up |
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, (.351 x .072) | 25-896699 | 25-888814 |
44 | SCREW, (M8 x 14) | 10-81893414 | |
45 | FITTING, Elbow 45 Degree (1.25) | 22-782792 | |
46 | CLAMP (Use where applicable) | 8266241 | |
47 | SCREW, (M6 x 12) (Use where applicable) | 10-82130012 | |
48 | LEVER, TPI | 8583561 | |
49 | SCREW, (M6 x 25) | 10-82130025 | |
50 | BUSHING | 23-856954 | |
51 | GROMMET | 25-8M0190980 | |
52 | WASHER, (.265 x .750 x .048) Stainless Steel | 12-65567 | |
53 | SCREW, (M5 x 45) Stainless Steel | 10-40011113 | |
54 | INDICATOR, Throttle Position | 8M6005165 | |
55 | LINK | 8M0084743 | |
56 | CLAMP | 54-858902 | |
57 | COVER | 8582261 | |
58 | BRACKET | 8544862 | |
59 | CLAMP, (25.6 mm) | 54-855228 | 54-888988014 |
60 | FITTING | 22-8533394 | |
61 | HOSE (Starboard) | 32-8404461 | |
62 | HOSE (Port) | 32-8404462 | |
63 | SCREW, (M8 x 20) | 10-81893420 | |
64 | SENSOR ASSEMBLY, Knock Comment: (200/3.0L Work) | 8M6003194 | 878187 (200/3.0L Work) |
65 | STUD Comment: (200/3.0L Work) | 16-882781 | |
66 | NUT, (M10) Brass/Nickel Plated Comment: (200/3.0L Work) | 11-826292 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 Comment: (Long) SN# 1B226999 & Below | 3518-832937A06 | 3518-832937A05, 3518-832937A 3, 3518-832937A 4 (Long) SN# 1B226999 & Below |
1 | HOUSING ASSEMBLY, Driveshaft Comment: (Long) SN# 1B227000 & Up | 3518-832937A06 | 3518-832937A05, 3518-832937A 3, 3518-832937A 4 (Long) SN# 1B227000 & Up |
1 | HOUSING ASSEMBLY, Driveshaft Comment: (X-Long/XX-Long) | 3519-832938A06 | 3519-832938A 5 (X-Long/XX-Long) |
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) | 10-8M0102995 | 10-8M0071178, 10-885528 35 (Long/X-Long) |
4 | GROMMET | 25-8331231 | |
5 | WASHER, (.500 x .810 x .090) Stainless Steel | 12-856982 | |
6 | NUT, (M12 x 1.75) | 11-896895 | 11-857008 |
7 | PLUG | 19-64649 | |
8 | SCREW, (M14 x 178) Comment: SN# 1B226999 & Below | 10-898834 | 10-815431002, 10-815431 SN# 1B226999 & Below |
8 | BOLT, (M14 x 178) Comment: SN# 1B227000 & Up | 10-898834 | 10-815431002, 10-815431 SN# 1B227000 & Up |
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 | 11-896602 | 11-815434, 11-815434002 |
15 | CLAMP | 8186442 | |
16 | SCREW, (M8 x 35) | 10-81893435 | |
17 | LOCKWASHER, Internal Tooth | 13-72521 | |
18 | COVER, Black | 8M0001136 | 818645F 1 |
19 | SCREW, (#10-16 x .440) | 10-69079 | |
20 | SEAL | 8329321 | |
21 | TUBE ASSEMBLY, Exhaust | 833116A4 | |
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 Comment: SN# 0T970000 & Below | 832940001 | 832940 SN# 0T970000 & Below |
25 | SEAL Comment: SN# 0T980000 & Up | 832940001 | 832940 SN# 0T980000 & Up |
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 |
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, (15.00 Inches) | 8M0026098 | 814951 3 |
17 | NUT, (.562-18) | 11-42099 | |
18 | COUPLING | 22-821169 | |
19 | WASHER, (.406 x .734 x .063) Stainless Steel Comment: (.734 Outside Diameter) | 12-34931 | |
19 | WASHER, (.390 x .625 x .062) Stainless Steel Comment: (.625 Outside Diameter) | 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 | 27-8329335 | |
3 | GASKET (Lower) | 27-8329344 | |
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 ref.'s 44 & 45) | 850306A04 | 850306 1 (Includes ref.'s 44 & 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 | NUT, (M6) Stainless Steel | 11-401386 | |
32 | SHIFT LINK Comment: SN# 0T979999 & Below | 883142A03 | 883142A 2 SN# 0T979999 & Below |
32 | SHIFT LINK KIT Comment: SN# 0T980000 & Up | 883142A03 | 883142A 2 SN# 0T980000 & Up |
33 | SLIDE | 8539683 | |
34 | NUT, (M6) Stainless Steel | 11-401386 | |
35 | BUSHING | 23-42994 | |
36 | SHIFT SHAFT, Upper Comment: (Long) | 8M0036408 | 896669001, 824070 1 (Long) |
36 | SHIFT SHAFT, Upper Comment: (X-Long) | 8M0187153 | |
36 | SHIFT SHAFT, Upper Comment: (XX-Long) | 8240703 | |
37 | BUSHING | 23-48237 | |
38 | COUPLING | 43585 | |
39 | FLUSH HOSE KIT (Inlet) | 32-859626A1 | |
40 | GROMMET Comment: SN# 0T979999 & Below | 25-12602002 | |
40 | GROMMET Comment: SN# 0T980000 & Up | 25-12602002 | |
41 | WASHER | 12-35459 | |
42 | HOSE, (57.00 Inches Bulk) (Cut to 3 Inches) | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
43 | FITTING, Straight | 22-858855 | |
44 | PLATE | 888910 | |
45 | SCREW, (M5 x 12) | 10-82239312 | |
- | GASKET SET, Powerhead | 27-832934A00 | |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 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 Comment: SN# 0T979999 & Below | 25-855362001 | 25-855362 SN# 0T979999 & Below |
6 | GROMMET Comment: SN# 0T980000 & Up | 25-855362001 | 25-855362 SN# 0T980000 & Up |
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 Comment: SN# 0T979999 & Below | 27-804679004 | 27-804679 3 SN# 0T979999 & Below |
11 | GASKET Comment: SN# 0T980000 & Up | 27-804679004 | 27-804679 3 SN# 0T980000 & Up |
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, (.351 x .072) | 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 Comment: SN# 0T979999 & Below | 858353A08 | 858353A 3 SN# 0T979999 & Below |
28 | CAM ASSEMBLY Comment: SN# 0T980000 & Up | 858353A08 | 858353A 3 SN# 0T980000 & Up |
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 | 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 Comment: SN# 0T979999 & Below | 840481T01 | 840481001, 840481, 883381 SN# 0T979999 & Below |
45 | INJECTOR ASSEMBLY Comment: SN# 0T980000 & Up | 840481T01 | 840481001, 840481, 883381 SN# 0T980000 & Up |
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: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 | TUBING, (34.00 Inches Bulk) (Cut to 15 Inches) To Elbow on Plenum | 32-85583464 | |
30 | TUBING, (34.00 Inches Bulk) (Cut to 28 Inches) To Oil Pump | 32-85583464 | |
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: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L WORK) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L WORK) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Standard-Long) | 1623-859399T13 | 1623-859399R13 (Standard-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Standard-X-Long) | 1623-859399T14 | 1623-859399R14 (Standard-X-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Standard-XX-Long) | 1623-859399T15 | 1623-859399R15 (Standard-XX-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Counter Rotation-X-Long) | 1623-859399T16 | 1623-859399R16 (Counter Rotation-X-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Counter Rotation-XX-Long) | 1623-859399T17 | 1623-859399R17 (Counter Rotation-XX-Long) |
1 | GEAR HOUSING ASSEMBLY, Basic | 1623-859399T18 | 1623-857113T 3 |
2 | PIN | 17-379721 | |
3 | FILLER BLOCK | 821526001 | 821526 |
4 | PITOT TUBE | 859402 | |
5 | ANODE | 97-826134Q | 826134, 826134A 1 |
6 | SCREW, (M6 x 40) | 10-4000333 | |
7 | NUT, (M6) Stainless Steel | 11-401386 | |
8 | BEARING ASSEMBLY, Roller | 31-42647A1 | |
9 | PIN, Dowel - Without Hole (.375 x .625) | 17-43044 | |
10 | SCREW KIT, (.375-16 x .250) Drain | 10-79953Q04 | |
11 | SEAL | 12-191833 | |
12 | FITTING | 22-881866 | 22-859432 |
13 | SCREW, (M6 x 16) | 10-1993716 | |
14 | COVER | 858934 | |
15 | GASKET | 27-858935 | |
16 | NOT SOLD SEPARATE, Pinion Gear (1.75:1 - 12/21)(Part of 43-859321A3 or 43-828695A1) | NSS | |
17 | WASHER | 12-92721 | |
18 | NUT, (.625-18) | 11-35921 | |
19 | SEAL, Oil | 26-8M0204708 | |
20 | O-RING, (.799) Comment: (Orange) | 25-8M0214927 | |
20 | O-RING, (799 x .103) Comment: (Black) | 25-896522 | |
21 | SCREW, (M6 x 16) | 10-1993716 | |
22 | WASHER | 12-77674 | |
23 | SHIFT SHAFT | 824145 | |
24 | DRIVESHAFT Comment: (Long) | 45-881938 | 45-858711 (Long) |
24 | DRIVESHAFT Comment: (X-Long) | 45-881942 | 45-858712 (X-Long) |
24 | DRIVESHAFT Comment: (XX-Long) | 45-881943 | 45-858713 (XX-Long) |
25 | SHIM ASSEMBLY | 15-8M0063268 | |
26 | BEARING, Tapered Roller | 31-8M0146553 | |
27 | NOT SOLD SEPARATE, Cup | NSS | |
28 | KEY | 28-8M0204723 | |
29 | SHIM SET | 15-42637A1 | |
30 | BEARING, Roller | 31-8M0146566 | |
31 | NOT SOLD SEPARATE, Cup | NSS | |
32 | RETAINER | 8245191 | |
33 | CARRIER ASSEMBLY | 8M0214948 | |
34 | O-RING, (2.175 x .175) Comment: (Orange) | 25-8M0142854 | |
34 | O-RING, (2.175 x .103) Comment: (Black) | 25-8M0142854 | |
35 | SEAL, Oil | 26-8M0214939 | |
36 | SEAL, Oil | 26-8M0214939 | |
37 | HOUSING KIT, Upper Water Pump | 817275A2 | |
38 | SEAL KIT | 26-816575A2 | |
39 | GASKET | 27-430331 | |
40 | GASKET | 27-8172771 | |
41 | FACEPLATE | 8M0204709 | |
42 | IMPELLER | 47-43026T2 | |
43 | COUPLING ASSEMBLY | 832942A1 | |
44 | O-RING, (.796 x .139) | 25-8M0204645 | |
45 | O-RING, (1.046) | 25-8M0204654 | |
- | REBUILD KIT, Water Pump | 817275A5 | |
- | SEAL KIT, Gear Housing | 26-816575A4 | |
- | REPAIR KIT, Water Pump Impeller | 47-8M0100526 | 47-43026Q06 |
Gear Housing, Propeller Shaft - Counter Rotation
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Propeller Shaft - Counter Rotation:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (X-Long) | 1623-859399T16 | 1623-859399R16 (X-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (XX-Long) | 1623-859399T17 | 1623-859399R17 (XX-Long) |
1 | GEAR HOUSING ASSEMBLY, Basic | 1623-859399T18 | 1623-857113T 3 |
2 | PLUG | 22-859403 | |
3 | SHIFT CRANK | 8M0226861 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Spool | NSS | |
6 | NOT SOLD SEPARATE, Sleeve | NSS | |
7 | COTTER PIN | 18-469501 | |
8 | SHIM SET | 15-44491A1 | |
9 | ADAPTOR ASSEMBLY, Bearing | 828830A2 | |
10 | BEARING ASSEMBLY, Needle Rollers | 31-814653T | 31-814653, 31-814653001 |
11 | THRUST WASHER | 12-815481 | |
12 | BEARING, Thrust | 31-815480 | |
13 | GEAR, Reverse (12/21) | 43-828696T2 | |
14 | BEARING ASSEMBLY, Roller | 31-15844 | |
15 | SPRING | 24-30893 | |
16 | CLUTCH | 52-859340T | 52-854735T, 52-828288 |
17 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
18 | PIN, Detent | 17-828356 | |
19 | PROPELLER SHAFT | 44-8M0140448 | |
20 | GEAR SET, Forward/Pinion (12/21) | 43-828695A1 | |
21 | SPACER SHIM , (.206) | 23-1761514 | |
21 | SPACER SHIM , (.208) | 23-1761515 | |
21 | SPACER SHIM, (.210) | 23-1761516 | |
21 | SPACER SHIM, (.212) | 23-1761517 | |
21 | SPACER SHIM, (.214) | 23-1761518 | |
21 | SPACER SHIM, (.216) | 23-1761519 | |
21 | SPACER SHIM, (.218) | 23-1761520 | |
21 | SPACER SHIM, (.220) | 23-1761521 | |
21 | SPACER SHIM, (.222) | 23-1761522 | |
21 | SPACER SHIM, (.224) | 23-1761523 | |
21 | SPACER SHIM, (.226) | 23-1761524 | |
21 | SPACER SHIM, (.228) | 23-1761525 | |
21 | SPACER SHIM, (.230) | 23-1761526 | |
22 | BEARING, Thrust | 31-815480 | |
23 | THRUST WASHER | 12-815481 | |
24 | ADAPTOR ASSEMBLY, Bearing | 828831A3 | |
25 | BEARING ASSEMBLY, Needle Rollers | 31-814653T | 31-814653, 31-814653001 |
26 | THRUST WASHER | 12-18448 | |
27 | BEARING, Thrust | 31-15842 | |
28 | RACE, Thrust | 8182911 | |
29 | KEEPER | 814605 | |
30 | O-RING Comment: (Orange) | 25-8M0214920 | |
30 | O-RING, (3.850 x .210) Comment: (Black) | 25-8M0142840 | |
31 | CARRIER ASSEMBLY, Bearing | 818290T8 | |
32 | BEARING, Needle | 31-30956T | |
33 | SEAL, Oil (Inside) | 26-14077 | |
34 | SEAL (Outside) | 26-8M0204670 | |
35 | TAB WASHER | 14-18323 | |
36 | RETAINER | 8M2011027 | 79448 |
37 | ANODE KIT | 97-76214Q5 | |
38 | SCREW, (.437-14 x 1.750) | 10-8M0204686 | |
39 | NOT SOLD SEPARATE, Decal- Counter Rotation | NSS | |
- | SEAL KIT, Gear Housing | 26-816575A4 |
Gear Housing, Propeller Shaft - Standard Rotation
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Gear Housing, Propeller Shaft - Standard Rotation:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (Long) | 1623-859399T13 | 1623-859399R13 (Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (X-Long) | 1623-859399T14 | 1623-859399R14 (X-Long) |
- | GEAR HOUSING ASSEMBLY, Complete (4.75 Inch/120.65 mm Torpedo Diameter) Comment: (XX-Long) | 1623-859399T15 | 1623-859399R15 (XX-Long) |
1 | GEAR HOUSING ASSEMBLY, Basic | 1623-859399T18 | 1623-857113T 3 |
2 | PLUG | 22-859403 | |
3 | SHIFT CRANK | 8M0226861 | |
4 | SPOOL ASSEMBLY | 8M0235940 | |
5 | NOT SOLD SEPARATE, Shift Spool | NSS | |
6 | COTTER PIN | 18-469501 | |
7 | NOT SOLD SEPARATE, Sleeve | NSS | |
8 | GEAR SET, Forward/Pinion (12/21) | 43-859321A3 | |
9 | SHIM SET | 15-44491A1 | |
10 | BEARING SET, Cup And Cone | 31-30894A1 | |
11 | NOT SOLD SEPARATE, Cup | NSS | |
12 | RING, Retaining | 53-856823 | |
13 | BEARING, Needle | 31-30895T | |
14 | SPRING | 24-30893 | |
15 | CLUTCH | 52-859340T | 52-854735T, 52-828288 |
16 | PIN, Detent | 17-828356 | |
17 | PIN, Cross | 17-8M0100263 | 17-8M0084681, 17-8M0020941, 17-30632 |
18 | PROPELLER SHAFT | 44-8M0140440 | |
19 | GEAR, Reverse (12/21) | 43-859322A1 | |
20 | SPACER | 23-824108 | |
21 | RING, Thrust | 681001 | |
22 | BEARING, Ball | 30-88957T | |
23 | O-RING Comment: (Orange) | 25-8M0214920 | |
23 | O-RING, (3.850 x .210) Comment: (Black) | 25-8M0142840 | |
24 | CARRIER ASSEMBLY, Bearing | 818763T11 | 818763A11 |
25 | BEARING, Needle | 31-30956T | |
26 | SEAL, Oil (Inside) | 26-14077 | |
27 | SEAL (Outside) | 26-8M0204670 | |
28 | TAB WASHER | 14-18323 | |
29 | RETAINER | 8M2011027 | 79448 |
30 | ANODE KIT | 97-76214Q5 | |
31 | SCREW, (.437-14 x 1.750) | 10-8M0204686 | |
- | SEAL KIT, Gear Housing | 26-816575A4 |
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 | 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 Comment: SN# 0T979999 & Below | 25-855362001 | 25-855362 SN# 0T979999 & Below |
10 | GROMMET Comment: SN# 0T980000 & Up | 25-855362001 | 25-855362 SN# 0T980000 & Up |
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 |
- | POWERHEAD ASSEMBLY Comment: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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, Complete Comment: SN# 1B226999 & Below | 855998A11 | 855998A08, 855998A07, 855998A10, 855998A09, 855998A05, 855998A 3 SN# 1B226999 & Below |
- | POWER TRIM ASSEMBLY, Complete Comment: SN# 1B227000 & Up | 855998A11 | 855998A08, 855998A07, 855998A10, 855998A09, 855998A05, 855998A 3 SN# 1B227000 & Up |
1 | TRIM MOTOR | 878265A4 | |
2 | NOT SOLD SEPARATE, Armature | NSS | |
3 | NOT SOLD SEPARATE, End Frame | NSS | |
4 | SCREW, (M6 x 30) | 10-82494830 | |
5 | LOCKWASHER, (M6) | 13-400256 | |
6 | DRIVESHAFT | 8782451 | |
7 | PO CHECK KIT | 878410A1 | |
8 | MANUAL RELEASE ASSEMBLY Comment: (Includes Reference #26) | 893929A01 | 813442A 2 (Includes Reference #26) |
9 | SHAFT KIT | 8M0142997 | |
10 | PIN | 17-878267 | 17-44431 |
11 | TILT CYLINDER ASSEMBLY Comment: SN# 1B226999 & Below | 878235A03 | 878235A02, 878235A 1 SN# 1B226999 & Below |
11 | TILT CYLINDER ASSEMBLY Comment: SN# 1B227000 & Up | 878235A03 | 878235A02, 878235A 1 SN# 1B227000 & Up |
12 | GUIDE KIT Comment: (Includes Reference #26) | 878239A02 | 878239A 1 (Includes Reference #26) |
13 | O-RING KIT Comment: (Includes Reference #26) | 8M0142999 | |
14 | SHOCK ROD KIT Comment: (Includes Reference #26) | 8M0168219 | |
15 | PISTON ASSEMBLY, Memory | 8M0143000 | |
16 | REPAIR KIT, Check Valve Comment: (Includes Reference #26) | 878406A02 | 878406A 1 (Includes Reference #26) |
17 | PISTON ASSEMBLY | 878414T01 | 878414A 1 |
18 | PISTON ASSEMBLY | 878413A1 | |
19 | GUIDE 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 Comment: SN# 0T979999 & Below | 99625002 | |
32 | SHAFT Comment: SN# 0T980000 & Up | 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 & Plate | 27-88907003 | |
0 | SEAL, Thermostat Comment: (Not used for this application) | 26-854639001 | 26-854639 (Not used for this application) |
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) SeaPro/Marathon EFI | 90-803199004 | |
- | SERVICE MANUAL Comment: (2004) | 90-884294R01 | 90-884294 (2004) |
- | SERVICE MANUAL Comment: (2005 and up) | 90-884294R01 | 90-884294 (2005 and up) |
- | OWNERS MANUAL Comment: (2004) | 90-10128041 | |
- | OWNERS MANUAL Comment: (2005) | 90-10128050 | |
- | OWNERS MANUAL Comment: (2006) | 90-10128060 | |
- | OWNERS MANUAL, Spanish | 90-10128J60 | |
- | OWNERS MANUAL, French | 90-10128D60 | |
- | INSTALLATION MANUAL | 90-818937060 | |
- | DECAL, EPA Label Information Comment: (200)(2004) | 37-891764A04 | |
- | DECAL, EPA Label Information Comment: (200)(2005) | 37-891764A05 | |
- | DECAL, EPA Label Information Comment: (200)(2006) | 37-891764A06 | |
- | DECAL, EPA Label Information Comment: (225/250/3L)(2004) | 37-804670A04 | |
- | DECAL, EPA Label Information Comment: (225/250/3L)(2005) | 37-804670A05 | |
- | DECAL, EPA Label Information Comment: (225/250/3L)(2006) | 37-804670A06 | |
- | TOOL KIT (SeaPro/Marathon) | 91-826798A1 |
Solenoid Plate(Serial Number 1B226999 & Below)
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Solenoid Plate(Serial Number 1B226999 & Below):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | PLATE | 858366T2 | |
2 | SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals) | 89-817109A2 | |
3 | GROMMET | 25-822179 | |
4 | SCREW, (M6 x 25 MM) | 10-82129125 | |
5 | BUSHING | 23-8M0214955 | |
6 | RELAY ASSEMBLY | 8M0207773 | |
7 | NOT SOLD SEPARATE, Decal | NSS | |
8 | BRACKET | 828102 | |
9 | BUSHING | 23-8M0214955 | |
10 | GROMMET | 25-818967 | |
11 | HARNESS ASSEMBLY, Engine Wiring | 84-880005T2 | |
12 | FUSE, Mini - Yellow - 20 Ampere Comment: (20 AMP) | 88-832969T20 | 88-832969 20 (20 AMP) |
12 | FUSE, Mini - Tan - 5 Ampere Comment: (5 AMP) | 88-832969T05 | 88-832969 5 (5 AMP) |
13 | COVER, Fuse | 858754 | |
- | HARNESS ASSEMBLY (TPS) | 879346A41 | 84-878073A 2 |
- | HARNESS ASSEMBLY, Encoder, Crank Position Sensor | 84-879964A2 | |
- | HARNESS ASSEMBLY, Alternator, Alternator | 84-881262A2 | |
14 | SCREW, (M6 x 14) | 10-82129114 | |
15 | J CLIP | 54-8M0024808 | |
16 | CABLE ASSEMBLY | 84-882830A1 | |
17 | SCREW, (M6 x 12) | 10-82130012 | |
18 | HARNESS ASSEMBLY, Trim | 84-819514T18 | |
19 | HARNESS ASSEMBLY, Digital Adaptor | 84-859244T1 | |
20 | HARNESS ASSEMBLY, Fuse - 100 Ampere | 84-878231A6 | |
21 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
22 | CAP NUT, | 10-32,11-813938 | |
23 | NUT, (.312-18) | 11-8M0204668 | |
24 | NUT, Brass | 10-32,11-45076 | |
25 | LOCKWASHER, (.312) | 13-53166 | |
26 | CLIP, (1.00) | 54-858755 | |
27 | CLIP | 54-828991T | 54-828991 |
28 | PCM, Propulsion Control Module Comment: (200) SN# 0T920996 & Below | 89790644T | 88555741T, 88555741S, 88555729S, 88555721S (200) SN# 0T920996 & Below |
28 | PCM, Propulsion Control Module Comment: (200) SN# 0T920997 & Up | 89790644T | 88555741T, 88555741S, 88555729S, 88555721S (200) SN# 0T920997 & Up |
28 | PCM, Propulsion Control Module Comment: (225) SN# 0T920531 & Below | 89790645T | 88555742T, 88555742S, 88555727S, 88555711S (225) SN# 0T920531 & Below |
28 | PCM, Propulsion Control Module Comment: (225) SN# 0T920532 & Up | 89790645T | 88555742T, 88555742S, 88555727S, 88555711S (225) SN# 0T920532 & Up |
28 | PCM, Propulsion Control Module Comment: (3L Work) SN# 0T920531 & Below | 89790647T | 88555744S, 88555730S, 88555710S (3L Work) SN# 0T920531 & Below |
28 | PCM, Propulsion Control Module Comment: (3L Work) SN# 0T920532 & Up | 89790647T | 88555744S, 88555730S, 88555710S (3L Work) SN# 0T920532 & Up |
28 | PCM, Propulsion Control Module Comment: (250) SN# 0T920525 & Below | 89790646T | 88555743T, 88555743S, 88555735S, 88555728S, 88555712S (250) SN# 0T920525 & Below |
28 | PCM, Propulsion Control Module Comment: (250) SN# 0T920526 & Up | 89790646T | 88555743T, 88555743S, 88555735S, 88555728S, 88555712S (250) SN# 0T920526 & Up |
29 | SCREW, (M6 x 25) | 10-82130025 | |
30 | BUSHING | 23-856954 | |
31 | GROMMET | 25-8M0190980 | |
32 | WASHER, (.265 x .750 x .048) Stainless Steel | 12-65567 | |
33 | CLIP | 8590881 | |
34 | SCREW, (M6 x 10) | 10-82129110 | |
35 | SENSOR KIT, (100 PSI) | 881879A2 | |
36 | FITTING Comment: SN# 0T979999 & Below | 22-8M0207782 | |
36 | FITTING Comment: SN# 0T980000 & Up | 22-8M0207782 | |
37 | CLIP, (.865) | 54-883066 | |
38 | BRACKET | 859313 | |
39 | GROMMET | 25-818967 | |
40 | BUSHING, To Block | 23-8M0214955 | |
41 | SCREW, (M6 x 25) | 10-82130025 | |
42 | 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 |
43 | CABLE ASSEMBLY, (4.00 Inches) Black | 84-88807A16 | |
44 | SCREW, (M8 x 20) | 10-81893420 | |
45 | CABLE ASSEMBLY, Battery - Negative | 84-88439A26 | |
45 | CABLE ASSEMBLY, Battery - Positive | 84-88439A25 | |
46 | CONNECTOR ASSEMBLY | 832948A1 | |
47 | CONNECTOR, 6 Pin Plug | 881065A1 | |
48 | HARNESS ASSEMBLY (200/3.0L Work) | 84-882815A1 | |
49 | CAP ASSEMBLY, 3 Position-Female Connector (Counter Rotation) | 881175A1 | |
50 | CAP ASSEMBLY, 3 Position-Male Connector (Counter Rotation) | 881176A1 | |
51 | BOOT, Insulator - Red | 85-8500671 | |
- | CAP, Female | 13540 |
Solenoid Plate(Serial Number 1B227000 & Up)
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Solenoid Plate(Serial Number 1B227000 & Up):

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: (3.0L Work) | 89790647T | 88555744S, 88555730S, 88555710S (3.0L Work) |
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: (225) | 883892A07 | 883892A04, 883892A03, 883892A02 (225) |
- | POWERHEAD ASSEMBLY Comment: (3L Work) | 883893A07 | 883893A04, 883893A03, 883893A02 (3L Work) |
- | POWERHEAD ASSEMBLY Comment: (250) | 883894A07 | 883894A04, 883894A03, 883894A02 (250) |
- | POWERHEAD ASSEMBLY Comment: (200) | 891823A07 | 891823A04, 891823B04 (200) |
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 Comment: SN# 0T960098 & Below | 50-892339T01 | 50-892339T, 50-853329T SN# 0T960098 & Below |
1 | STARTER MOTOR ASSEMBLY Comment: SN# 0T960099 & Up | 50-892339T01 | 50-892339T, 50-853329T SN# 0T960099 & Up |
2 | THRU BOLT | 10-803005 | |
3 | GEAR KIT | 43-880805A1 | |
4 | SOLENOID KIT | 809463A1 | |
5 | SCREW AND LOCKWASHER, (.250-20 x .625) Stainless Steel | 10-69035 | |
6 | CABLE ASSEMBLY, (6.00 Inches) Black | 84-93388A1 | |
7 | DECAL, Warning, High Voltage | 37-8272822 | |
8 | LOCKWASHER, (M5) | 13-400255 | |
9 | NUT, (M5) Stainless Steel | 11-400211 | |
10 | LOCKWASHER, (.312) | 13-8M0204647 | |
11 | NUT, (M8) Stainless Steel | 11-400213 | |
12 | COLLAR | 23-8M0034918 | 23-8M0001391, 56703 |
13 | 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 Comment: (Carbon Steel) | 814084F1 | |
9 | YOKE, Bottom Comment: (Stainless Steel) | 826364T | 826364F 1 (Stainless Steel) |
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 Comment: (Carbon Steel) | 17-67706A55 | |
20 | SWIVEL PIN ASSEMBLY, Steering Arm - Stainless Steel Comment: (Stainless Steel) | 17-8M0132731 | |
21 | SCREW, (M12 x 190) | 10-8M0141069 | |
22 | BUMPER Comment: SN# 0T979999 & Below | 824998001 | 824998 SN# 0T979999 & Below |
22 | BUMPER Comment: SN# 0T980000 & Up | 824998001 | 824998 SN# 0T980000 & Up |
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 | |
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 | BUSHING | 23-8M0215006 | |
11 | LINK, To Cam | 8583541 | |
12 | BRACKET | 824010T05 | 824010 2 |
13 | LATCH | 824016 | |
14 | DRIVE SCREW | 10-42975 | |
15 | CUP, Barrel Retainer | 824015 | |
16 | SCREW, (M8 x 25 MM) Stainless Steel | 10-82155025 | |
17 | CLAMP | 54-859172 | |
18 | SCREW, (M8 x 25 MM) Stainless Steel | 10-82155025 | |
19 | BRACKET, Slide | 8M0039052 | 896662, 854653 1 |
20 | SWITCH | 87-8M0207794 | |
21 | 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 |
22 | SCREW, (M3.5 x 20) | 10-82470620 | |
23 | WASHER | 12-43430 | |
24 | WASHER | 12-35459 | |
25 | WASHER | 12-36001 |
Tools
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Tools:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
0 | CARTRIDGE Comment: SN# 0T979999 & Below | 91-880118A04 | 91-880118A03, 91-880118A 2 SN# 0T979999 & Below |
0 | DDT CARTRIDGE Comment: SN# 0T980000 & Up | 91-880118A04 | 91-880118A03, 91-880118A 2 SN# 0T980000 & Up |
0 | DIAL INDICATOR TOOL | 91-58222A1 | |
0 | HARNESS ASSEMBLY, DDT Adaptor Comment: (ELECTRICAL/IGNITION) | 84-822560A5 | |
0 | HOLDER TOOL | 91-52344 | |
0 | STAND TOOL, Powerhead | 91-827001A1 | |
0 | CABLE ASSEMBLY, DDT Comment: (ELECTRICAL/IGNITION) | 84-825003A1 | |
0 | DIGITAL DIAGNOSTIC TESTER Comment: (ELECTRICAL/IGNITION) | 91-823686A2 | |
0 | TACH MULTI METER, DMT 2000 Digital Comment: (ELECTRICAL/IGNITION) SN# 0T979999 & Below | 91-854009A3 | |
0 | MULTI-METER KIT, DMT 2004 Comment: (ELECTRICAL/IGNITION) SN# 0T980000 & Up | 91-892647A01 | |
0 | CAP TOOL, Flywheel Puller | 91-24161 | |
0 | SWITCH ASSEMBLY Comment: (ELECTRICAL/IGNITION) | 91-52024A1 | |
0 | TESTER, Eight Chamber Comment: (ELECTRICAL/IGNITION) | 91-850439T1 | |
0 | GAP TOOL, Single Chamber Comment: (ELECTRICAL/IGNITION) | 91-63998A1 | |
0 | TIMING LIGHT Comment: (ELECTRICAL/IGNITION) | 91-99379 | |
0 | GAUGE TOOL Comment: (POWERHEAD) | 91-29287 | |
0 | SLEEVE Comment: (POWERHEAD) | 91-55919 | |
0 | LIFTING EYE Comment: (POWERHEAD) SN# 0T979999 & Below | 91-904551 | |
0 | LIFTING EYE Comment: (POWERHEAD) SN# 0T980000 & Up | 91-904551 | |
0 | INSTALLATION TOOL, Lock Ring Comment: (POWERHEAD) | 91-93004A2 | |
0 | REMOVAL TOOL, Piston Pin Lock Ring Comment: (POWERHEAD) | 91-52952T1 | |
0 | MANDREL TOOL, Piston Pin Comment: (POWERHEAD) | 91-92973A1 | |
0 | EXPANDER TOOL, Piston Ring Comment: (POWERHEAD) | 91-24697 | |
0 | STAND, Powerhead Comment: (POWERHEAD) | 91-812549T | 91-812549 (POWERHEAD) |
0 | COMPRESSOR TOOL, Ring Comment: (POWERHEAD) | 91-823237T | 91-823237 (POWERHEAD) |
0 | TORQUE WRENCH, (0-150 lb-in) | 91-66274 | |
0 | PULLER PLATE | 91-37241 | |
0 | ALIGNMENT TOOL Comment: (TRIM/TILT SYSTEM) | 91-112301 | |
0 | SPANNER WRENCH Comment: (TRIM/TILT SYSTEM) | 91-74951 | |
0 | HEAT LAMP Comment: (TRIM/TILT SYSTEM) | 91-63209 | |
0 | ROD TOOL, Backlash Indicator Flag Comment: (GEAR HOUSING) | 91-53459 | |
0 | INDICATOR TOOL, Backlash Comment: (GEAR HOUSING) | 91-8M0053505 | 91-78473 (GEAR HOUSING) |
0 | DRIVER TOOL, Bearing Comment: (GEAR HOUSING) | 91-816244 | |
0 | REMOVAL TOOL, Bearing Comment: (GEAR HOUSING) | 91-816245 | |
0 | MANDREL, Bearing Driver Cup Comment: (GEAR HOUSING) | 91-31106T | |
0 | DRIVER TOOL, Bearing Cup Comment: (GEAR HOUSING) | 91-87120T | |
0 | PRE LOAD TOOL, Bearing Comment: (GEAR HOUSING) SN# 0T979999 & Below | 91-14311A04 | |
0 | TOOL, Preload Comment: (GEAR HOUSING) SN# 0T980000 & Up | 91-14311A04 | |
0 | PULLER KIT, Bearing Comment: (GEAR HOUSING) | 91-31229A7 | |
0 | MANDREL Comment: (GEAR HOUSING) | 91-15755T | |
0 | DRIVE HEAD TOOL Comment: (GEAR HOUSING) | 91-36569T | |
0 | DRIVER ROD TOOL, Needle Bearings Comment: (GEAR HOUSING) | 91-37323 | |
0 | WRENCH TOOL, Driveshaft Bearing Comment: (GEAR HOUSING) | 91-36571T | |
0 | INSTALLER TOOL, Bearing Comment: (GEAR HOUSING) | 91-38628T | |
0 | NUT, (.625-18) Comment: (GEAR HOUSING) | 11-24156 | |
0 | PLATE Comment: (GEAR HOUSING) | 91-29310 | |
0 | WASHER Comment: (GEAR HOUSING) | 12-34961 | |
0 | RETAINING TOOL, Bearing Comment: (GEAR HOUSING) | 91-43506T | |
0 | WASHER Comment: (GEAR HOUSING) | 12-54048 | |
0 | INSTALL TOOL, Cross Pin Comment: (GEAR HOUSING) | 91-86642 | |
0 | ADAPTER KIT, Dial Indicator Comment: (GEAR HOUSING) | 91-83155 | |
0 | HOLDING TOOL, Dial Indicator Comment: (GEAR HOUSING) | 91-89897 | |
0 | DRIVER CUP Comment: (GEAR HOUSING) | 91-36577T | |
0 | ADAPTOR TOOL, Driveshaft Comment: (GEAR HOUSING) | 91-61077T | |
0 | HOLDING TOOL, Driveshaft Comment: (GEAR HOUSING) | 91-56775T | |
0 | DRIVER CUP Comment: (GEAR HOUSING) | 91-36577T | |
0 | ADAPTOR TOOL, Driveshaft Comment: (GEAR HOUSING) | 91-61077T | |
0 | HOLDING TOOL, Driveshaft Comment: (GEAR HOUSING) | 91-56775T | |
0 | FOWARD GEAR INSTALLATION TOOL Comment: (GEAR HOUSING) | 91-815850 | |
0 | INSTALLER TOOL, Needle Bearing - Forward Gear Comment: (GEAR HOUSING) | 91-86943T | |
0 | NUT TOOL, Gear Housing Cover Comment: (GEAR HOUSING) | 91-61069T | |
0 | GUIDE PLATE Comment: (GEAR HOUSING) | 91-816243 | |
0 | PULLER JAWS Comment: (GEAR HOUSING) | 91-816242 | |
0 | MANDREL Comment: (GEAR HOUSING) | 91-92788T | |
0 | DRIVER Comment: (GEAR HOUSING) | 91-33491 | |
0 | DRIVER, Oil Seal Comment: (GEAR HOUSING) | 91-31108T | |
0 | DRIVER TOOL, Oil Seal Comment: (GEAR HOUSING) | 91-817569T | 91-817569 (GEAR HOUSING) |
0 | LOCATION TOOL, Pinion Comment: (GEAR HOUSING) SN# 0T979999 & Below | 91-12349A05 | |
0 | TOOL, Pinion Locating Comment: (GEAR HOUSING) SN# 0T980000 & Up | 91-12349A05 | |
0 | SHIMMING TOOL, Pinion Gear Comment: (GEAR HOUSING) SN# 0T979999 & Below | 91-56048001 | |
0 | TOOL, Shimming Comment: (GEAR HOUSING) SN# 0T980000 & Up | 91-56048001 | |
0 | ADAPTOR TOOL, Pinion Nut Comment: (GEAR HOUSING) SN# 0T979999 & Below | 91-61067A04 | |
0 | WRENCH TOOL, Pinion Nut Comment: (GEAR HOUSING) SN# 0T980000 & Up | 91-61067A04 | |
0 | PROPELLER SHAFT Comment: (GEAR HOUSING) | 44-93003 | |
0 | PULLER TOOL Comment: (GEAR HOUSING) | 91-85716 | |
0 | PULLER JAW ASSEMBLY Comment: (GEAR HOUSING) | 91-46086A1 | |
0 | INSTALLATION TOOL, Bearing Adaptor Comment: (GEAR HOUSING) | 91-18605A2 | |
0 | PULLER ASSEMBLY, Slide Hammer Comment: (GEAR HOUSING) | 91-34569A1 | |
0 | GUIDE TOOL, Water Pump Alignment Pins Comment: (GEAR HOUSING) | 91-821571A1 | |
0 | CLAMP TOOL KIT Comment: (FUEL SYSTEM) | 91-803146A04 | 91-803146A 2 (FUEL SYSTEM) |
0 | GAUGE, Air/Fuel Pressure Comment: (FUEL SYSTEM) SN# 0T979999 & Below | 91-881833A03 | 91-881833A 2 (FUEL SYSTEM) SN# 0T979999 & Below |
0 | GAUGE KIT, Air/Fuel Pressure Comment: (FUEL SYSTEM) SN# 0T980000 & Up | 91-881833A03 | 91-881833A 2 (FUEL SYSTEM) SN# 0T980000 & Up |
0 | SEAL KIT, Wire Harness Comment: (ELECTRICAL) | 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 Comment: (Black) | 4001-880012T1 | |
1 | TOP COWL ASSEMBLY Comment: (Silver) | 4001-880012T36 | 4001-880012T 2 (Silver) |
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 | HOOK ASSEMBLY, Rear Latch | 850682T4 | |
9 | NOT SOLD SEPARATE, Pin | NSS | |
10 | RING, Retaining | 53-8237951 | |
11 | ROLLER | 8M0207770 | |
12 | GROMMET Comment: SN# 0T962422 & Below | 25-850685T02 | 850685002, 25-850685 1 SN# 0T962422 & Below |
12 | GROMMET Comment: SN# 0T962423 & Up | 25-850685T02 | 850685002, 25-850685 1 SN# 0T962423 & Up |
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 EFI-3L)(2004/2005) | 37-891822A03 | |
- | DECAL SET Comment: (Mercury 200 EFI 3L)(2006) | 37-891822A06 | |
- | DECAL SET Comment: (3L Seapro) | 37-883285A02 | |
- | DECAL SET Comment: (Mercury 225 EFI-Long)(2004/2005) | 37-824105A02 | |
- | DECAL SET Comment: (Mercury 225 EFI-Long)(2006) | 37-824105A06 | |
- | DECAL SET Comment: (Mercury 225 EFI X-Long/XX-Long)(Blue)(2004/2005) | 37-809693A03 | 37-809693A02 (Mercury 225 EFI X-Long/XX-Long)(Blue)(2004/2005) |
- | DECAL SET Comment: (Mercury 225 EFI X-Long/XX-Long)(2006) | 37-809693A06 | |
- | DECAL SET Comment: (Mercury 250 Long)(Blue)(2004/2005) | 37-809167A03 | 37-809167A02 (Mercury 250 Long)(Blue)(2004/2005) |
- | DECAL SET Comment: (Mercury 250 Long)(2006) | 37-809167A06 | |
- | DECAL SET Comment: (Mercury 250 X-Long)(Red)(2004/2005) | 37-891877A04 | |
- | DECAL SET Comment: (Mercury 250 X-Long)(2006) | 37-891877A06 | |
- | DECAL SET Comment: (3L Marathon) | 37-883286A02 | |
- | 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) |
- | DECAL SET Comment: (Tracker 225) | 37-809848A02 |
Transom Brackets
Back to TopBelow is the parts list for Mercury 250 (3.0L EFI) Transom Brackets:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | BRACKET ASSEMBLY, Transom-Starboard | 3426-828334T03 | |
2 | BRACKET ASSEMBLY, Transom-Port | 3425-828333T08 | |
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 | |
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 |
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 Comment: SN# 1B226999 & Below | 883245T04 | 883245T 2 SN# 1B226999 & Below |
1 | COVER KIT, Vapor Separator Comment: SN# 1B227000 & Up | 883245T04 | 883245T 2 SN# 1B227000 & Up |
2 | FITTING, Straight | 22-881740 | |
3 | FITTING | 22-883249 | |
4 | NOT SOLD SEPARATE, Elbow | NSS | |
5 | FITTING KIT, Pump Outlet Comment: (Use Without Filter) | 22-855437A2 | |
5 | FITTING KIT Comment: (Use with Filter) | 22-885186A1 | |
6 | O-RING Comment: (Use without Filter) | 25-8M0062785 | 25-883209 (Use without Filter) |
6 | O-RING, (.468 x .078) Comment: (Use with Filter) | 25-831985 | 25-885187 (Use with Filter) |
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 KIT | 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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