Mercury 250 (3.0L EFI) (1B417702 THRU 1B504988) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

Mercury 250 (3.0L EFI) Outboard Motor Parts Diagram & Catalog – Free PDF Download

Accessories

Below is the parts list for Mercury 250 (3.0L EFI) Accessories:

Part Name	OEM Number	Supersedes
FLUSH COUPLING	22-852400	56-820386A55
DECK FILL KIT, Oil	15969A3
DIODE ASSEMBLY (DUAL ENGINE)	812497A2
FLUSHING ATTACHMENT	44357Q2
HOSE ASSEMBLY, Fuel	32-858610A31	32-858610A10, 32-16789A18
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)
SWITCH/LANYARD KIT	87-19674Q2
MERCATHODE KIT	88334A2
HOSE EXTENSION KIT	41729A3
NOT SOLD SEPARATE, Rigging Hose Kit Comment: (SEE PARTS BULLETIN 99-4)	NSS
RESERVOIR KIT, Oil	15943A1
TRIM REDUCER KIT	858915A1

Attenuator/Flywheel Cover

Below 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

Below 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, Cowl Comment: SN# 1B446999 & Below	852361T1
23	HANDLE Comment: SN# 1B447000 & Up	852361T02
24	WAVE WASHER Comment: SN# 1B446999 & Below	13-29402
25	SEAL, (44.00 Inches)	8M0109218

Coil Plate

Below 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

Below 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, 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/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: (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

Below 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

Below 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

Below 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)	3518-832937A06	3518-832937A05, 3518-832937A 3, 3518-832937A 4 (Long)
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)	10-857136
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	8186442
16	SCREW, (M8 x 35)	10-81893435
17	LOCKWASHER, Internal Tooth	13-72521
18	COVER, Lower Mount	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	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

Dual Engine Tie Bar Kit

Below 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

Below 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 KIT	883142A03	883142A 2
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	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: (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

Below 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

Below 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

Below 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	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)

Gear Housing(Driveshaft)(Standard/Counter Rotation)

Below 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	26-8M0204693
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 x .103)	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 ASSEMBLY, Roller/Cup	31-8M0146566
31	NOT SOLD SEPARATE, Cup	NSS
32	RETAINER	8245191
33	CARRIER ASSEMBLY	8M0214948
34	O-RING, (2.175 x .103)	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

Below 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, (3.850 x .210)	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

Below 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, (3.850 x .210)	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

Mercathode Kit

Below is the parts list for Mercury 250 (3.0L EFI) Mercathode Kit:

Position No.	Part Name	OEM Number
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

Below 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	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

Below 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: (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

Below is the parts list for Mercury 250 (3.0L EFI) Power Trim Components:

Position No.	Part Name	OEM Number	Supersedes
-	POWER TRIM ASSEMBLY, Complete	855998A11	855998A08, 855998A07, 855998A10, 855998A09, 855998A05, 855998A 3
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	878235A03	878235A02, 878235A 1
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	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

Below 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)

Below 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

Below 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	90-803199007
-	SERVICE MANUAL	90-884294R01	90-884294
-	OPERATION/INSTALLATION MANUAL	90-10128070
-	OWNERS MANUAL, 225/250 EFI 2-Stroke, Spanish	90-10128J70
-	OWNERS MANUAL, 225/250 EFI 2-Stroke, French	90-10128D70
-	INSTALLATION MANUAL	90-818937060
-	OPERATION/INSTALLATION MANUAL	90-10128070
-	DECAL, EPA Label Information Comment: (200)	37-891764A06
-	DECAL, EPA Label Information Comment: (225/250)	37-804670A06

Solenoid Plate

Below 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

Below 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

Below 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

Below 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

Below 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

Below 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

Below is the parts list for Mercury 250 (3.0L EFI) Tools:

Part Name	OEM Number	Supersedes
DIAL INDICATOR TOOL	91-58222A1
HARNESS ASSEMBLY, DDT Adaptor (Electricl/Ignition)	84-822560A5
HOLDER TOOL	91-52344
STAND TOOL, Powerhead	91-827001A1
CABLE ASSEMBLY, DDT (Electricl/Ignition)	84-825003A1
MULTI-METER KIT, DMT 2004 (Electricl/Ignition)	91-892647A01
CAP TOOL, Flywheel Puller	91-24161
SWITCH ASSEMBLY (Electricl/Ignition)	91-52024A1
TESTER, Eight Chamber (Electricl/Ignition)	91-850439T1
GAP TOOL, Single Chamber (Electricl/Ignition)	91-63998A1
TIMING LIGHT (Electricl/Ignition)	91-99379
GAUGE TOOL (Powerhead)	91-29287
SLEEVE (Powerhead)	91-55919
LIFTING EYE (Powerhead)	91-904551
INSTALLATION TOOL, Lock Ring (Powerhead)	91-93004A2
REMOVAL TOOL, Piston Pin Lock Ring (Powerhead)	91-52952T1
MANDREL TOOL, Piston Pin (Powerhead)	91-92973A1
EXPANDER TOOL, Piston Ring (Powerhead)	91-24697
STAND, Powerhead	91-812549T	91-812549
COMPRESSOR TOOL, Piston Ring (3.625) (Powerhead)	91-823237T	91-823237
TORQUE WRENCH, (0-150 lb-in)	91-66274
PULLER PLATE	91-37241
ALIGNMENT TOOL (Trim/Tilt System)	91-112301
SPANNER WRENCH (Trim/Tilt System)	91-74951
HEAT LAMP (Trim/Tilt System)	91-63209
ROD TOOL, Backlash Indicator Flag (Gear Housing)	91-53459
INDICATOR TOOL, Backlash (Gear Housing)	91-8M0053505	91-78473
DRIVER TOOL, Bearing (Gear Housing)	91-816244
REMOVAL TOOL, Bearing (Gear Housing)	91-816245
MANDREL, Bearing Driver Cup (Gear Housing)	91-31106T
DRIVER TOOL, Bearing Cup (Gear Housing)	91-87120T
TOOL, Preload (Gear Housing)	91-14311A04
PULLER KIT, Bearing (Gear Housing)	91-31229A7
MANDREL (Gear Housing)	91-15755T
DRIVE HEAD TOOL (Gear Housing)	91-36569T
DRIVER ROD TOOL, Needle Bearings (Gear Housing)	91-37323
WRENCH TOOL, Driveshaft Bearing (Gear Housing)	91-36571T
INSTALLER TOOL, Bearing (Gear Housing)	91-38628T
NUT, (.625-18) (Gear Housing)	11-24156
PLATE (Gear Housing)	91-29310
WASHER (Gear Housing)	12-34961
RETAINING TOOL, Bearing (Gear Housing)	91-43506T
WASHER (Gear Housing)	12-54048
INSTALL TOOL, Cross Pin (Gear Housing)	91-86642
ADAPTER KIT, Dial Indicator (Gear Housing)	91-83155
HOLDING TOOL, Dial Indicator (Gear Housing)	91-89897
DRIVER CUP (Gear Housing)	91-36577T
ADAPTOR TOOL, Driveshaft (Gear Housing)	91-61077T
HOLDING TOOL, Driveshaft (Gear Housing)	91-56775T
DRIVER CUP (Gear Housing)	91-36577T
ADAPTOR TOOL, Driveshaft (Gear Housing)	91-61077T
HOLDING TOOL, Driveshaft (Gear Housing)	91-56775T
FOWARD GEAR INSTALLATION TOOL (Gear Housing)	91-815850
INSTALLER TOOL, Needle Bearing - Forward Gear (Gear Housing)	91-86943T
NUT TOOL, Gear Housing Cover (Gear Housing)	91-61069T
GUIDE PLATE (Gear Housing)	91-816243
PULLER JAWS (Gear Housing)	91-816242
MANDREL (Gear Housing)	91-92788T
DRIVER (Gear Housing)	91-33491
DRIVER, Oil Seal (Gear Housing)	91-31108T
DRIVER TOOL, Oil Seal (Gear Housing)	91-817569T	91-817569
TOOL, Pinion Locating (Gear Housing)	91-12349A05
TOOL, Shimming (Gear Housing)	91-56048001
WRENCH TOOL, Pinion Nut (Gear Housing)	91-61067A04
PROPELLER SHAFT (Gear Housing)	44-93003
PULLER TOOL (Gear Housing)	91-85716
PULLER JAW ASSEMBLY (Gear Housing)	91-46086A1
INSTALLATION TOOL, Bearing Adaptor (Gear Housing)	91-18605A2
PULLER ASSEMBLY, Slide Hammer (Gear Housing)	91-34569A1
GUIDE TOOL, Water Pump Alignment Pins (Gear Housing)	91-821571A1
CLAMP TOOL KIT (Fuel System)	91-803146A04	91-803146A 2
GAUGE KIT, Air/Fuel Pressure (Fuel System)	91-881833A03	91-881833A 2
SEAL KIT, Wire Harness (Electricl)	91-881814A1

Top Cowl

Below is the parts list for Mercury 250 (3.0L EFI) Top Cowl:

Position No.	Part Name	OEM Number	Supersedes
1	TOP COWL ASSEMBLY, Black (Includes all Decals except Horsepower) Comment: SN# 1B446999 & Below	100-889246T86
1	TOP COWL ASSEMBLY, Black (Includes all Decals except Horsepower) Comment: SN# 1B447000 & Up	100-889246T86
1	TOP COWL ASSEMBLY Comment: (Silver) SN# 1B446999 & Below	4001-880012T36	4001-880012T 2 (Silver) SN# 1B446999 & Below
1	TOP COWL ASSEMBLY, Silver Comment: SN# 1B447000 & Up	4001-880012T36	4001-880012T 2 SN# 1B447000 & Up
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 Comment: SN# 1B446999 & Below	850682T4
8	BRACKET ASSEMBLY, Cowl Comment: SN# 1B447000 & Up	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

Below 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
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

Below 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 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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Mercury / Mercruiser / Mariner Parts from JLM Marine

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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.

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