Mercury 250XB (3.0L EFI) (0G980600 THRU 0T800999) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

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

ACCESSORIES

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

Position No.	Part Name	OEM Number	Supersedes
-	DECK FILL KIT, Oil	15969A3
-	FLUSHING ATTACHMENT	44357Q2
-	HOSE ASSEMBLY, Fuel Comment: (SUPPLIED WITH ENGINE)	32-858610A31	32-858610A10, 32-16789A18 (SUPPLIED WITH ENGINE)
-	HOSE ASSEMBLY, Fuel (8 Feet) Comment: (WITH QUICK DISCONNECT)	32-877680Q8
-	HOSE ASSEMBLY, Fuel (12 Feet) Comment: (WITH QUICK DISCONNECT)	32-877680Q12	32-858620Q12, 32-858620A12, 32-827927A12 (WITH QUICK DISCONNECT)
-	HOSE ASSEMBLY, Fuel (8 Feet) Comment: (WITH QUICK DISCONNECT ENGINE END ONLY)	32-877681Q8
-	HOSE ASSEMBLY, Fuel (12 Feet) Comment: (WITH QUICK DISCONNECT ENGINE END ONLY)	32-877681Q12	32-804792Q12, 32-804792Q, 32-858621Q12, 32-858621A12, 32-17146A12 (WITH QUICK DISCONNECT ENGINE END ONLY)
-	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)
-	FLUSH COUPLING	22-852400	56-820386A55
-	SWITCH/LANYARD KIT	87-19674Q2
-	MERCATHODE KIT	88334A2
-	HOSE EXTENSION KIT	41729A3
-	VISUAL WARNING SYSTEM (LOW OIL/OVERHEAT)	17334A2
-	CLAMP, Worm Gear	54-815504104	54-54428, 54-809952104, 54-8M2001484, 54-F9005, F24772, F24788, F901788
-	GAUGE KIT, Water Pressure (2-30 PSI) White Face, Black Graduation, White Bezel	79-895288A23	79-859688A11

ANCHOR BRACKET/THROTTLE LINKAGE

Below is the parts list for Mercury 250XB (3.0L EFI) ANCHOR BRACKET/THROTTLE LINKAGE:

Position No.	Part Name	OEM Number	Supersedes
1	SWITCH	87-8M0052931	87-814281A 2
2	SCREW, (M3.5 x 20)	10-82470620
3	BRACKET	824010T05	824010 2
4	DRIVE SCREW	10-42975
5	LATCH	824016
6	CUP, Barrel Retainer	824015
7	SCREW, (M8 x 25) Stainless Steel	10-82155025
8	BUSHING	23-824013
9	BUSHING	23-812707	23-71984, 23-F286818, 23-F286828, F480818
10	SPRING	24-824014
11	GUIDE, Roller	8240111
12	CAM	8142392
13	BUSHING	23-26856
14	NUT, (M6) Stainless Steel	11-401386
15	LINK, Throttle	825377
16	BUSHING	23-8M0215006
17	BRACKET, Oil Link	826205
18	LINK	878190	857155, 19385 26
19	SCREW, (M8 x 25) Stainless Steel	10-82155025
20	NUT, (M8) Stainless Steel	11-401388
21	LEVER	8M0040987	825268 2
22	SCREW, (M8 x 35)	10-81893435
23	WASHER	12-36042
24	INSERT	42927
25	BUSHING	23-821113
26	NUT, (M6) Stainless Steel	11-401386
27	SCREW, (M6 x 55)	10-40124
28	NUT, (M6) Stainless Steel	11-400212
29	CAP	42942
30	WASHER	12-35459

BLEED SYSTEM

Below is the parts list for Mercury 250XB (3.0L EFI) BLEED SYSTEM:

Position No.	Part Name	OEM Number	Supersedes
1	TUBING, (20.00 Feet Bulk) (Cut to 13-1/4 IN.) Comment: (Starboard)	32-892024122	32-99130122 (Starboard)
2	FITTING Comment: (Starboard)	22-768431
3	CHECK VALVE Comment: (Starboard)	21-8348041
4	CHECK VALVE Comment: (Starboard)	21-8282182
5	TUBING, (20.00 Feet Bulk) (Cut to 5-1/4 IN.) Comment: (Starboard)	32-892024122	32-99130122 (Starboard)
6	TUBING, (20.00 Feet Bulk) (Cut to 8-1/2 IN.) Comment: (Port)	32-892024122	32-99130122 (Port)
7	TUBING, (20.00 Feet Bulk) (Cut to 9-1/2 IN.) Comment: (Port)	32-892024122	32-99130122 (Port)
8	CHECK VALVE Comment: (Port)	21-8282182
9	CHECK VALVE Comment: (Port)	21-8348041
10	FITTING, Tee Comment: (Port)	22-59169003
11	TUBING, (20.00 Feet Bulk) (Cut to 5-1/4 IN.) Comment: (Port)	32-892024122	32-99130122 (Port)
12	TUBING, (20.00 Feet Bulk) (Cut to 1 IN.) Comment: (Port)	32-892024122	32-99130122 (Port)
13	TUBING, (20.00 Feet Bulk) (Cut to 16 IN.) Comment: (Port)	32-892024122	32-99130122 (Port)
-	POWERHEAD ASSEMBLY	61-848700A7

BOTTOM COWL

Below is the parts list for Mercury 250XB (3.0L EFI) BOTTOM COWL:

Position No.	Part Name	OEM Number	Supersedes
1	BOTTOM COWL Comment: (PORT)	4009-818448A1
2	BOTTOM COWL Comment: (STARBOARD)	4009-818447A1
3	SEAL, Cowl (41.00 Inches)	8M0109217	8M0043272, 825318 1
4	SCREW, (M6 x 40)	10-82130040
5	SCREW, (M6 x 75)	10-824868
6	FRONT HANDLE, Black	889740A02	821253F 1, 821253F 2, 821253F 4
7	BUSHING	23-335891
8	O-RING, (.614 x .070)	25-48462
9	PAWL	8219423
10	WASHER, (.281 x .734 x .063)	12-69057
11	NUT, (M6) Stainless Steel	11-401366
12	SCREW, (#10-16 x .625)	10-8214281
13	CLIP	54-822873
14	SWITCH ASSEMBLY	87-8M0042301	87-896620, 87-856990, 87-850691, 87-18286A40
15	CLAMP	54-822024
16	CLAMP	54-822023
17	SCREW, (#10-16 x 1.12)	10-92799

CRANKSHAFT, PISTONS - AND CONNECTING RODS

Below is the parts list for Mercury 250XB (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	GEAR	43-19301
6	RING	39-843198T01	39-843198001, 39-816106
7	KEY, Woodruff	28-91800
8	O-RING, (.859 x .139)	25-35126
9	RACE ASSEMBLY, Bearing Comment: SN# 0T325116 & Below	817001A1
9	RACE ASSEMBLY Comment: SN# 0T325117 & Up	31-88270A02
10	NOT SOLD SEPARATE, Roller Comment: SN# 0T325116 & Below	NSS
10	NOT SOLD SEPARATE, Roller Bearing Comment: SN# 0T325117 & Below	NSS
11	PISTON Comment: (STARBOARD)	700-858295T2
11	PISTON Comment: (PORT)	700-858294T2
12	RING	40-841202
13	RING SET, Piston	39-827179A12	39-815958A12
14	NOT SOLD SEPARATE, PISTON RING (SECOND)	NSS
15	CONNECTING ROD ASSEMBLY	600-8M0125869
16	SCREW, (.375-24 x 1.250)	10-94320
17	BEARING/CAGE KIT	31-844338A01	31-43012A04
18	NOT SOLD SEPARATE, Bearing	NSS
19	THRUST WASHER	12-88263
20	NEEDLE, Roller Bearing	29-8M0204715
21	BEARING ASSEMBLY (UPPER)	31-816773A2
22	SEAL	26-859093	26-815449
23	O-RING, (1.989 x .070)	25-823683	25-64067
24	WASHER, (.641 x 1.250 x .190)	12-33001
25	NUT, (M16)	11-42979
-	GASKET SET	27-832933A98
-	POWERHEAD ASSEMBLY	61-848700A7

CYLINDER BLOCK AND END CAP

Below is the parts list for Mercury 250XB (3.0L EFI) CYLINDER BLOCK AND END CAP:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK	885-9811A56
2	STUD, (M10 x 1.5 x 64)	16-903509
3	STUD, (M10 x 1.5 x 155)	16-8154431
4	PLUG, Pipe (.125-27) Brass	22-328022
5	DEFLECTOR	8248577
6	CHECK VALVE	21-8781051
7	PIN, Dowel - Without Hole (.375 x .625)	17-43044
8	PIN, Special	8215832
9	SCREW, (M8 x 35)	10-81893435
10	SCREW, (M10 x 80)	10-82446180
11	PIN	17-8M0036405	17-67296
12	PLUG	19-850309001	19-850309
13	CHECK VALVE	21-426585
14	CHECK VALVE	21-8159234
15	TUBING, (20.00 Feet Bulk) (Cut to 22-1/2 IN.)	32-892024122	32-99130122
16	TUBING, (20.00 Feet Bulk) (Cut to 3-3/4 IN.)	32-892024122	32-99130122
17	FITTING ASSEMBLY	22-77863A1
18	TIMING POINTER	8217621
19	SCREW, (M6 x 12)	10-82130012
20	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
21	TUBING KIT	32-826544A1
22	FITTING, (.250-18) 90 Degree - Brass	22-687271
23	WASHER, (.406 x .750 x .105) Stainless Steel	12-8M0214963
24	NUT, (M10) Stainless Steel	11-4013610
25	BRACKET	8256751
26	SCREW, (M6 x 12)	10-82130012
27	BRACKET, Alternator	8211051
28	SCREW, (M8 x 50)	10-81893450
29	BRACKET	8212251
30	SCREW, (M6 x 12)	10-82130012
31	BRACKET, Guide	822486
32	SENSOR	821909
33	SCREW, (M5 x 10)	10-82104510
34	SEAL, Cylinder Head	818574
35	CYLINDER HEAD	812851A16	812851T12
36	SEAL Comment: SN# 0T235000 & Up	878453
36	O-RING Comment: SN# 0T234999 & Below	25-818573
37	THERMOSTAT, 62Â° Celsius (143Â° Fahrenheit)	833072003	833072
38	GASKET, Thermostat	27-8M0204714
39	THERMOSTAT COVER	19801A1
40	ELBOW	22-8167811
41	HOSE, (48.00 Inches Bulk) (Cut to 19 IN.) Comment: (PORT)	32-77653101
41	HOSE, (48.00 Inches Bulk) (Cut to 20-1/2 IN.) Comment: (STARBOARD)	32-77653101
42	SCREW, (M8 x 90)	10-82446090
43	SCREW, (M8 x 50)	10-8M0045380	10-891570050, 10-859096, 10-824460 50, 10-891570
44	SENSOR ASSEMBLY, Temperature	13536A14
45	RETAINER	137151
46	SCREW, (M8 x 14)	10-81893414
47	END CAP ASSEMBLY	1171-9787A4
48	O-RING, (3.237 x .103)	25-62700
49	SEAL	26-8308981
50	SCREW, (M6 x 20)	10-82130020
51	BRACKET	8261211
52	SCREW, (#10-16 x .500)	10-48408
53	SCREW, (M6 x 12)	10-82130012
54	CLAMP	8266241
-	POWERHEAD ASSEMBLY	61-848700A7

DRIVESHAFT HOUSING AND EXHAUST TUBE

Below is the parts list for Mercury 250XB (3.0L EFI) DRIVESHAFT HOUSING AND EXHAUST TUBE:

Position No.	Part Name	OEM Number	Supersedes
1	HOUSING ASSEMBLY, Driveshaft	3518-832937A06	3518-832937A05, 3518-832937A 3, 3518-832937A 4
2	STUD, (M12 x 52)	16-8M0008031	16-856983, 16-822257
3	SCREW, (M12 x 35), Internal Hex	10-892860	10-40091 35
3	SCREW, (M12 x 35), External Hex	10-857136
4	GROMMET	25-8331231
5	WASHER, (12.80 mm x 24.0 mm x 2.4 mm) Stainless Steel	12-4002321
6	NUT, (M12) Stainless Steel	11-4013812
7	PLUG	19-64649
8	SCREW, (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	MOUNT	8M0055931	840361T, 840361
12	WASHER	12-825190
13	CABLE ASSEMBLY, Ground	88238A10
14	SCREW, (.250-20 x .500) Stainless Steel	10-41508
15	NUT	11-896602	11-815434, 11-815434002
16	CLAMP	8186442
17	SCREW, (M8 x 40)	10-84036240
18	WASHER	12-847541
19	LOCKWASHER, Internal Tooth	13-72521
20	COVER, Black	8M0001136	818645F 1
21	SCREW, (#10-16 x .440)	10-69079
22	SEAL	8329321
23	TUBE ASSEMBLY, Exhaust	833116A7
24	SCREW, (M8 x 35)	10-81893435
25	TUBE, Water	32-8M0042785	32-832941 7
26	SEAL	832940001	832940
27	CLAMP	8329391
-	NOT SOLD SEPARATE, Strainer	NSS

DUAL CABLE ATTACHING KIT

Below is the parts list for Mercury 250XB (3.0L EFI) DUAL CABLE ATTACHING KIT:

Position No.	Part Name	OEM Number	Supersedes
-	ATTACHING KIT, Steering Comment: (SINGLE)	92876A8
1	BRACKET ASSEMBLY	41055A1
2	TUBE ASSEMBLY	71565A2
3	O-RING, (.614 x .070)	25-48462
4	LOCKWASHER	13-821203
5	NUT, (.875-14)	11-8M0041651	11-37984
6	SCREW, (.250-28 x 1.250)	10-38601
7	LOCKWASHER, Internal (.250)	13-78968
8	COUPLER	850791T	850791, 88319
9	SCREW, (.375-24 x 1.120)	10-73732
10	WASHER, (.390 x .625 x .062) Stainless Steel	12-37828
11	NUT, (.375-24) Stainless Steel	11-8M0204726

ELECTRICAL COMPONENTS

Below is the parts list for Mercury 250XB (3.0L EFI) ELECTRICAL COMPONENTS:

Position No.	Part Name	OEM Number	Supersedes
1	PLATE, Electrical Mounting	825296T1
2	SCREW, (M6 x 14)	10-82129114
3	CDM MODULE ASSEMBLY	827509T7
4	CABLE ASSEMBLY, Hi-Tension	84-857124A1
5	BOOT/TERMINAL KIT	85-857074A1
6	SCREW, (M6 x 16)	10-82129116
7	TIE STRAP, (8.00 Inches)	54-816311T	54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275
8	SPARK PLUG	33-941
9	SCREW, (M8 x 35)	10-81893435
10	WASHER	12-49436
11	GROMMET	25-825380001	25-825380
12	BUSHING	23-19064
13	ECU, Engine Control Unit (CDI)	83004419S	830044 19
14	ECU, Engine Control Unit (EFI)	83004615T	83004615S, 830046 15
15	SCREW, (M6 x 45)	10-82129145
16	CLAMP	54-826188
17	SCREW, (M5 x 20)	10-82104520
18	HARNESS ASSEMBLY (EFI)	84-825763A5
19	PLUG, Male	13541
20	HARNESS ASSEMBLY, Ignition	84-825433A11
21	RELAY ASSEMBLY	8M0207773
22	GROMMET	25-818967
23	BRACKET	828102
24	BUSHING	23-8M0214955
25	NOT SOLD SEPARATE, DECAL, Trim Relay	NSS
26	HARNESS ASSEMBLY, Trim	84-826802A2
27	CABLE ASSEMBLY, Positive - Battery	84-88439A34
28	CABLE ASSEMBLY, Negative - Battery	84-88439A24
29	HARNESS ASSEMBLY (26 IN.)	84-827356A2
30	COVER	8216091
31	SCREW, (M5 x 20)	10-82239320
32	FUSE, Yellow - 20 Ampere	88-812619	88-860608
33	SOCKET, Fuse	88-19637
34	CABLE ASSEMBLY, (12.5 Inchs) Black	84-93388A8
35	PLATE, Solenoid Mounting	8212282
36	SCREW, (M8 x 25) Stainless Steel	10-82155025
37	SCREW, (M6 x 25)	10-82129125
38	CABLE ASSEMBLY, (4.00 Inches) Black	84-88807A16
39	TERMINAL BLOCK	86-45915
40	SCREW, (#10-16 x .500)	10-878608	10-812832
41	SCREW, (#10-16 x .375)	10-878607	10-817626
42	SOLENOID ASSEMBLY, (#10-32 / .3125-18 Terminals)	89-817109A2
43	GROMMET	25-822179
44	BUSHING	23-8M0214955
45	LOCKWASHER, (.312)	13-53166
46	NUT, (.312-18)	11-8M0204668
47	NUT, Brass	10-32,11-45076

EXHAUST PLATE

Below is the parts list for Mercury 250XB (3.0L EFI) EXHAUST PLATE:

Position No.	Part Name	OEM Number	Supersedes
1	PLATE, Exhaust	840192T5
2	GASKET	27-8329335
3	GASKET (LOWER)	27-8329344
4	SPRING	24-64878
5	SEAL	8M0043157	823805 1
6	SCREW, (M8 x 35)	10-81893435
7	COVER ASSEMBLY	65663A2
8	PLATE ASSEMBLY	65664A1
9	GASKET	27-88907003
10	SCREW, (#10-16 x .750)	10-69570
11	WASHER	12-76451
12	DIAPHRAGM	648771
13	POPPET	814189
14	GROMMET	25-814191
15	CARRIER	814190
16	SCREW, (M8 x 35)	10-81893435
17	CONNECTOR	22-34982
18	FITTING, Elbow 45 Degree (1.25)	22-782792
19	ELBOW, 45 Degree	22-821975
20	BOOT, Idle Exhaust	821255
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	HOSE, (57.00 Inches Bulk) (Cut to 2-1/2 IN.)	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
23	FITTING, Tell-Tale	22-8M0077650	821904
24	PLUG	19-821908
25	WASHER	12-821915
26	CHECK VALVE	8219631
27	O-RING, (.299 x .103)	25-30641
28	FITTING	22-821952
29	HOSE	32-821976
30	CHECK VALVE ASSEMBLY, Drain	21-817519A1
31	PIN, Dowel - Without Hole (.375 x .625)	17-43044
32	NUT, (M6) Stainless Steel	11-401386
33	WASHER	12-35459
34	SHIFT LINK Comment: SN# 0T430431 & Up	883142A03	883142A 2 SN# 0T430431 & Up
35	ROLLER Comment: SN# 0T430431 & Up	8240121
36	NUT, (M6) Stainless Steel	11-401386
37	BUSHING	23-42994
38	SHIFT SHAFT, Upper	8M0036408	896669001, 824070 1
39	BUSHING	23-48237
40	GROMMET	25-12602002
41	COUPLING	43585
42	FITTING, Pipe - Brass (.750-14)	22-8M0204679
43	SPACER	23-840193
44	SHIFT LINK Comment: SN# 0T430430 & Below	883142A03	883142A 2 SN# 0T430430 & Below
45	ROLLER Comment: SN# 0T430430 & Below	824012
-	GASKET SET	27-832933A98
-	POWERHEAD ASSEMBLY	61-848700A7

FLYWHEEL/STATOR

Below is the parts list for Mercury 250XB (3.0L EFI) FLYWHEEL/STATOR:

Position No.	Part Name	OEM Number
1	NUT, (M6) Stainless Steel	11-401386
2	PLUG, Yellow	19-45907
3	FLYWHEEL	272-821033T2
4	STATOR	398-821935A5
5	SCREW, (M6 x 30)	10-82494830
6	ALTERNATOR	821663A1
7	SCREW, (M10 x 55)	10-82446155
8	SCREW, (M10 x 40)	10-82130140
9	WASHER	12-796431
10	NUT, (M10) Stainless Steel	11-4013610
11	V BELT	57-49756Q1
12	WASHER	12-17457

FUEL MANAGEMENT SYSTEM

Below is the parts list for Mercury 250XB (3.0L EFI) FUEL MANAGEMENT SYSTEM:

Position No.	Part Name	OEM Number	Supersedes
-	MANAGEMENT ASSEMBLY, Fuel	825818A14	825818A13, 825818A 1
1	THROTTLE BODY	827693T4
2	JOINT KIT, Fuel Pipe	8090571
3	SCREW KIT, Fuel Rail	10-8276983
4	O-RING KIT	150291
5	FMA JOINT KIT	814233T1
6	SCHRADER VALVE KIT	8090591
7	TUBING KIT	32-827694A02	32-827694
8	TUBING KIT	32-897992A01	32-827694 1
9	SHAFT, Throttle Comment: (TOP)	8090843
10	SHAFT KIT, Throttle Comment: (BOTTOM)	8090842
11	LEVER KIT, Link	827697A1
12	LINK	154441
13	FUEL RAIL	8276991
14	HARNESS KIT	84-154432
15	COVER	8276921
16	SEAL	26-187921
17	RETAINER KIT	827696
18	BRACKET KIT, TPS	809093
19	INJECTOR KIT	805225A1
20	ROLLER	677483
21	KEY	28-89694
22	COUPLING	821153
23	SENSOR, Throttle Position	821664
24	SCREW, (M4 x 10)	10-4005685
25	LOCKWASHER, Stainless Steel	8,13-26995
26	WASHER, (.192 x .375 x .0312) Stainless Steel	12-30164
27	SENSOR ASSEMBLY, Temperature	13221T01
28	SCREW, (M4 x 10)	10-4005685
29	LOCKWASHER, Stainless Steel	8,13-26995
30	O-RING, (.612 x .103)	25-45711
31	SCREW, (M8 x 125)	10-40132
32	WASHER, (.323 x .563 x .063) Stainless Steel	12-8M0042642	12-70132

FUEL PUMP

Below is the parts list for Mercury 250XB (3.0L EFI) FUEL PUMP:

Position No.	Part Name	OEM Number	Supersedes
1	PUMP KIT, Fuel	14360A78
-	DIAPHRAGM KIT	21-857005A1
2	NOT SOLD SEPARATE, Disk 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	BASE	144303
14	PLATE	987752
15	SCREW, (M5 x 40)	10-82104540
16	NOT SOLD SEPARATE, DECAL, Assembled in Mexico	NSS
17	SCREW, (M6 x 50)	10-82130050
18	FITTING, Elbow - 90 Degree (.125-27)	22-629101
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	TUBING, (.312) (70.00 Inches Bulk) (Cut to 17 IN.)	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80
21	TUBING, (26.00 Inches Bulk) Comment: (Cut to 26 IN.)	32-85682257
21	TUBING, (.312) (70.00 Inches Bulk) Comment: (Cut to 17 IN.)	32-8M0108349	32-8M0047448, 32-830757130, 32-830757 80 (Cut to 17 IN.)
22	CONNECTOR	22-822769
23	FILTER KIT	35-18458T4
24	PROBE	8M0204710
25	BASE	13170A3
26	ELBOW	22-136071
27	SCREW, (M6 x 30)	10-82130030
28	CONNECTOR, (.250-18)	22-89771Q2
-	GASKET SET	27-832933A98
-	POWERHEAD ASSEMBLY	61-848700A7

GEAR HSG.(DRIVESHAFT)(STD)(S/N-0T234999 & BELOW)

Below is the parts list for Mercury 250XB (3.0L EFI) GEAR HSG.(DRIVESHAFT)(STD)(S/N-0T234999 & BELOW):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY (COMPLETE)	1689-849012T10	1689-849012A10
1	GEAR HOUSING ASSEMBLY (BASIC)	1689-840470T5
2	PIN	17-379721
3	FILLER BLOCK	821526001	821526
4	ANODE	97-826134Q	826134, 826134A 1
5	SCREW, (M6 x 40)	10-4000333
6	NUT, (M6) Stainless Steel	11-401386
7	BEARING ASSEMBLY, Roller	31-42647A1
8	PIN, Dowel - Without Hole (.375 x .625)	17-43044
9	SCREW KIT, (.375-16 x .250) Drain	10-79953Q04
10	WASHER	12-191833
11	CONNECTOR ASSEMBLY	22-85822A10
12	TIE STRAP, (4.00 Inches)	56762
13	NOT SOLD SEPARATE, Pinion Gear Comment: (PART OF 43-828168T3)	NSS
14	WASHER	12-92721
15	NUT, (.625-18)	11-35921
16	BUSHING ASSEMBLY	23-815921A4
17	SEAL, Oil	26-8M0204708
18	O-RING, (.799)	25-8M0214927
19	SCREW, (M6 x 16)	10-82130016
20	WASHER	12-77674
21	SHIFT SHAFT (LOWER)	824145
22	DRIVESHAFT	45-848831
23	KEY	28-8M0204723
24	SHIM ASSEMBLY	15-8M0063268
25	BEARING, Tapered Roller	31-8M0146553
26	NOT SOLD SEPARATE, Cup	NSS
27	SHIM SET	15-42637A1
28	BEARING, Roller	31-8M0146566
29	NOT SOLD SEPARATE, Cup	NSS
30	RETAINER	8245191
31	CARRIER ASSEMBLY	8M0214948
32	O-RING, (2.175 x .175)	25-8M0142854
33	SEAL, Oil	26-8M0214939
34	SEAL, Oil	26-8M0214939
35	PUMP ASSEMBLY, Water	817275A1
36	SEAL KIT	26-816575A2
37	GASKET	27-430331
38	GASKET	27-8172771
39	FACEPLATE	8M0204709
40	IMPELLER	47-43026T2
41	SCREW, (M6 x 16)	10-82130016
42	COUPLING ASSEMBLY	832942A1
43	O-RING, (.796 x .139)	25-8M0204645
44	O-RING, (1.046)	25-8M0204654
45	DRIVESHAFT ASSEMBLY	45-848832A1
46	COUPLING	823902
-	SEAL KIT, Gear Housing	26-816575A6
-	REBUILD KIT, Water Pump	817275A5
-	REPAIR KIT, Water Pump Impeller	47-8M0100526	47-43026Q06

GEAR HSG.(DRIVESHAFT)(STD)(S/N-0T235000 & UP)

Below is the parts list for Mercury 250XB (3.0L EFI) GEAR HSG.(DRIVESHAFT)(STD)(S/N-0T235000 & UP):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY (COMPLETE)	1689-840470T10	1689-840470T 6, 1689-840470A10
1	GEAR HOUSING ASSEMBLY, Basic	1689-840470T5
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	TUBING, (72.00 Inches Bulk) (Cut to 7 IN.)	32-85944975
11	FITTING	22-881866	22-859432
12	COVER	858934
13	GASKET	27-858935
14	SEAL, Oil	26-8M0204708
15	O-RING, (.799)	25-8M0214927
16	SCREW, (M6 x 16)	10-82130016
17	WASHER	12-92721
18	NUT, (.625-18)	11-35921
19	NOT SOLD SEPARATE, Pinion Gear Comment: (PART OF 43-828168T3)	NSS
20	SCREW KIT, (.375-16 x .250) Drain	10-79953Q04
21	WASHER	12-191833
22	WASHER	12-77674
23	SHIFT SHAFT (LOWER)	824145
24	DRIVESHAFT	45-881938	45-858711
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 Comment: SN# 0T429944 & Below	8M0214948
34	CARRIER ASSEMBLY Comment: SN# 0T429945 & Up	8M0192207
35	SCREW, (M6 x 16) Comment: SN# 0T429945 & Up	10-82130016
36	O-RING, (2.175 x .175)	25-8M0142854
37	SEAL, Oil	26-8M0214939
38	SEAL, Oil	26-8M0214939
39	PUMP ASSEMBLY, Water	817275A1
40	SEAL KIT	26-816575A2
41	GASKET	27-430331
42	GASKET	27-8172771
43	FACEPLATE	8M0204709
44	IMPELLER	47-43026T2
45	SCREW, (M6 x 16)	10-82130016
46	COUPLING ASSEMBLY	832942A1
47	O-RING, (.796 x .139)	25-8M0204645
48	O-RING, (1.046)	25-8M0204654
49	DRIVESHAFT ASSEMBLY	45-848832A1
50	COUPLING	823902
-	SEAL KIT, Gear Housing	26-816575A6
-	REBUILD KIT, Water Pump	817275A5

GEAR HSG.(PROP SHAFT)(STD)(S/N-0T234999 & BELOW)

Below is the parts list for Mercury 250XB (3.0L EFI) GEAR HSG.(PROP SHAFT)(STD)(S/N-0T234999 & BELOW):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY (COMPLETE)	1689-849012T10	1689-849012A10
1	GEAR HOUSING ASSEMBLY (BASIC)	1689-840470T5
47	SHIFT CRANK	8M0226861
48	SPOOL ASSEMBLY	8M0235940
49	NOT SOLD SEPARATE, Shift Pool	NSS
50	NOT SOLD SEPARATE, Cotter Pin	NSS
51	NOT SOLD SEPARATE, Sleeve	NSS
52	SHIM SET	15-47397A1
53	GEAR SET, Forward/Pinion Comment: (1.75:1)	43-859321T04	43-828168T 3 (1.75:1)
54	BEARING ASSEMBLY	31-828437A2
55	NOT SOLD SEPARATE, Cup	NSS
56	BEARING, Needle	31-30895T
57	RING, Retaining	53-856823
58	SPRING	24-78962
59	CLUTCH	52-848878T	52-848878, 52-840241
60	PIN, Detent	17-78909
61	PIN, Cross	17-848838
62	PROPELLER SHAFT	44-848829
63	GEAR, Reverse Comment: (1.75:1)	43-8M0192235
64	THRUST SPACER	23-8241081
65	RING, Thrust	681001
66	BEARING, Ball	30-88957T
67	O-RING	25-8M0214920
68	CARRIER ASSEMBLY, Bearing	848840A1
69	BEARING, Roller	31-817072
70	SEAL, Oil	26-815565
71	RING, Snap	53-817071
72	FITTING KIT, Magnetic, Plug Fill/Drain	22-8M0058389	22-67892A06
73	WASHER	12-191833
74	KEY	28-30281
75	TAB WASHER	14-79447
76	RETAINER	8M2011027	79448
77	PROP NUT KIT, (.750-16)	11-52707Q1
78	LOCKWASHER, Toothed	13-423511
79	PLATE KIT, Water Inlet	832066A1
80	SCREW, (#8-32 x .500)	10-188642
81	ANODE KIT	97-76214Q5
82	SCREW, (.437-14 x 1.75)	10-66024
-	SEAL KIT, Gear Housing	26-816575A6

GEAR HSG.(PROP SHAFT)(STD)(S/N-0T235000 & UP)

Below is the parts list for Mercury 250XB (3.0L EFI) GEAR HSG.(PROP SHAFT)(STD)(S/N-0T235000 & UP):

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY (COMPLETE)	1689-840470T10	1689-840470T 6, 1689-840470A10
1	GEAR HOUSING ASSEMBLY, Basic	1689-840470T5
51	SHIFT CRANK	8M0226861
52	SPOOL ASSEMBLY	8M0235940
53	NOT SOLD SEPARATE, Shift Pool	NSS
54	COTTER PIN	18-469501
55	NOT SOLD SEPARATE, Sleeve	NSS
56	SHIM SET	15-47397A1
57	GEAR SET, Forward/Pinion	43-859321T04	43-828168T 3
58	BEARING ASSEMBLY	31-828437A2
59	NOT SOLD SEPARATE, Cup	NSS
60	RING, Retaining	53-856823
61	BEARING, Needle	31-30895T
62	SPRING	24-78962
63	CLUTCH	52-848878T	52-848878, 52-840241
64	PIN, Detent	17-78909
65	PIN, Cross	17-848838
66	PROPELLER SHAFT	44-848829
67	GEAR, Reverse	43-8M0192235
68	THRUST SPACER	23-8241081
69	RING, Thrust	681001
70	BEARING, Ball	30-88957T
71	O-RING	25-8M0214920
72	CARRIER ASSEMBLY, Bearing	848840A1
73	BEARING, Roller	31-817072
74	SEAL, Oil	26-815565
75	RING, Snap	53-817071
76	FITTING KIT, Magnetic, Plug Fill/Drain	22-8M0058389	22-67892A06
77	WASHER	12-191833
78	KEY	28-30281
79	TAB WASHER	14-79447
80	RETAINER	8M2011027	79448
81	PROP NUT KIT, (.750-16)	11-52707Q1
82	LOCKWASHER, Toothed	13-423511
83	ANODE KIT	97-76214Q5
84	SCREW, (.437-14 x 1.75)	10-66024
-	SEAL KIT, Gear Housing	26-816575A6

INSTRUMENTATION

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

Position No.	Part Name	OEM Number	Supersedes
1	CABLE ASSEMBLY, (1.50 Feet) Black	84-86322A7
1	CABLE ASSEMBLY, (1.50 Feet) Purple	84-86323A5
2	GAUGE, Power Trim, White Face, Black Graduation, Black Bezel	79-895292Q41	79-825338A 1, 79-825338A 3
3	BRACKET	79480
4	LIGHT BULB, Wedge Base (14V - .19W)	88-72729
5	SOCKET, Light Bulb	88-79888
6	NUT, Brass	8-32,11-26419
7	HORN ASSEMBLY, Buzzer Alarm	68878A6
8	COVER	68879
9	SPACER	23-8M0084588
10	WASHER	12-26427
11	SCREW, (#10 x 1.00)	10-35401
12	HARNESS ASSEMBLY, Tachometer (5.00 Feet)	84-86396A8
13	WARNING GAUGE KIT	79-859698A1
14	LAMP	88-15163
15	SOCKET, Light Bulb	88-79888
16	LOCKWASHER, Star	8,13-825361
17	NUT, Brass	8-32,11-26419
18	CLAMP	850020
19	CABLE ASSEMBLY, (20.00 Feet)	84-827752A1

KEY SWITCH ASSEMBLY

Below is the parts list for Mercury 250XB (3.0L EFI) KEY SWITCH ASSEMBLY:

Position No.	Part Name	OEM Number	Supersedes
1	HARNESS ASSEMBLY, Key Switch (20.00 Feet)	84-816626A20	84-17925A20
2	COVER ASSEMBLY, Key	90468A1
3	BRACKET	76424
4	STUD, (#10-32 x 2.00)	16-55422
5	WASHER, (.200 x .440 x .032)	12-24676
6	NUT, Stainless Steel	10-32,11-68219
7	PLATE KIT	816479A3
8	SWITCH KIT, Key (SEE CHART BELOW FOR KEY)	87-88107A5
9	NUT, Special - Black Nylon	11-879755	11-93543
10	ALARM ASSEMBLY, Audio Warning	84-8M0210763
11	SPACER, (.375)	23-8127111
11	SPACER, (.250)	23-812711
-	KEY, Ignition (1A)	894911
-	KEY, Ignition (1B)	894912
-	KEY, Ignition (1C)	894913
-	KEY, Ignition (1D)	894914
-	KEY, Ignition (1E)	894915
-	KEY, Ignition (1F)	894916
-	KEY, Ignition (2A)	894917
-	KEY, Ignition (2B)	894918
-	KEY, Ignition (2C)	894919
-	KEY, Ignition (2D)	8949110
-	KEY, Ignition (2E)	8949111
-	KEY, Ignition (2F)	8949112

OIL INJECTION COMPONENTS

Below is the parts list for Mercury 250XB (3.0L EFI) OIL INJECTION COMPONENTS:

Position No.	Part Name	OEM Number	Supersedes
1	TANK ASSEMBLY, Oil	1270-818456A1
2	SPACER	23-8260841
3	SCREW, (.164-18 x .375)	10-58376
4	WASHER, (.203 x .562 x .060) Stainless Steel	12-72761
5	NOT SOLD SEPARATE, DECAL, Oil Tank	NSS
6	CAP ASSEMBLY	36-814449A3
7	GASKET	27-42999T
8	SWITCH ASSEMBLY	87-12886A7
9	BUSHING	23-19064
10	GROMMET	25-825380001	25-825380
11	WASHER	12-49436
12	SCREW, (M8 x 35)	10-81893435
13	HOSE, (57.00 Inches Bulk)	32-8M0108355	32-8M0047428, 32-830756109, 32-99127109, 32-877821
14	FITTING	22-8M0207780
15	SCREW	10-82104530
16	PUMP, Oil	815536T1
17	O-RING	25-11379
18	O-RING, (.614 x .070)	25-48462
19	BEARING, Driven Gear	23-817631
20	GEAR, Driven	43-430204
21	BEARING, Thrust	816974
22	SCREW, (M5 x 20)	10-82104520
23	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
24	TUBING, (25.00 Inches Bulk) (Cut to 8-3/4 IN.)	32-82381455
25	TUBING, (15.00 Inches Bulk) (Cut to 10 IN.)	32-82381335
-	TANK ASSEMBLY, Remote Oil Comment: (USE WITH DESIGN I BRACKET)	1257-8742A22
-	TANK ASSEMBLY, Remote Oil Comment: (USE WITH DESIGN II BRACKET)	1257-8742A22
26	TANK	1257-87421
27	SENDER ASSEMBLY, Oil Level	816190A4
28	O-RING, (2.225 x .210)	25-11332
29	CAP ASSEMBLY	36-43298A2
30	O-RING, (2.225 x .210)	25-11332
31	NOT SOLD SEPARATE, Insert	NSS
32	TUBE	32-99802
33	HOSE, (114.00 Inches)	32-99439
34	BRACKET KIT Comment: (DESIGN I)	12335A1
35	BRACKET KIT Comment: (DESIGN II)	884481A1
36	BRACKET	12320
37	SCREW, (#12-11 x .750)	10-79968
38	CORD/HOOK KIT	12323A1
39	HOSE	32-858853
40	CONNECTOR	22-858955
41	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

POWER TRIM COMPONENTS(CAST PUMP HOUSING)

Below is the parts list for Mercury 250XB (3.0L EFI) POWER TRIM COMPONENTS(CAST PUMP HOUSING):

Position No.	Part Name	OEM Number	Supersedes
-	POWER TRIM, 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	COUPLING	8782451
7	PO CHECK KIT	878410A1
8	MANUAL RELEASE ASSEMBLY	893929A01	813442A 2
9	SHAFT KIT (Incls. Ref. #26)	8M0142997
10	PIN	17-878267	17-44431
11	TILT CYLINDER ASSEMBLY	878235A03	878235A02, 878235A 1
12	GUIDE KIT (Incls. Ref. #26)	878239A02	878239A 1
13	O-RING KIT (Incls. Ref. #26)	8M0142999
14	SHOCK ROD KIT (Incls. Ref. #26)	8M0168219
15	PISTON ASSEMBLY, Memory	8M0143000
16	REPAIR KIT, Check Valve (Incls. Ref. #26)	878406A02	878406A 1
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	CLIP	54-22875
35	SCREW, (#10-16 x .500)	10-878608	10-812832
36	CONDUIT, (.350 Inside Diameter x 3.00 Feet Bulk)	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

POWER TRIM COMPONENTS(REMOVABLE PUMP HOUSING)

Below is the parts list for Mercury 250XB (3.0L EFI) POWER TRIM COMPONENTS(REMOVABLE PUMP HOUSING):

Position No.	Part Name	OEM Number	Supersedes
-	POWER TRIM ASSEMBLY, Complete	855998A11	855998A08, 855998A07, 855998A10, 855998A09, 855998A05, 855998A 3
1	MANIFOLD ASSEMBLY	811604F	811604T
2	PLUG, Pipe (.0625-27)	22-56800
3	CYLINDER ASSEMBLY, Tilt	880952A03	880952A02, 880952A 1
4	ROD, Trim Piston	823553T	823553, 811609
5	GUIDE KIT	878239A02	878239A 1
6	REPAIR KIT	811607A1
7	CHECK VALVE KIT	811610A1
8	GUIDE ASSEMBLY	1100-8M0021648	878243A 1
9	PISTON ASSEMBLY Comment: (PORT)	878413A1
9	PISTON ASSEMBLY Comment: (STARBOARD)	878414T01	878414A 1 (STARBOARD)
10	TRIM FILTER ASSEMBLY	35-12184A1
11	MANUAL RELEASE ASSEMBLY	893929A01	813442A 2
12	E RING	53-815949001	53-812844, 53-835104
13	O-RING KIT	811612A3
14	PUMP	811617T1
15	PLUG ASSEMBLY	19-811613
16	SCREW, (M6 x 14)	10-4000327
17	WASHER	12-4002315
18	COVER	811611
19	DRIVE JOINT	828710
20	TRIM MOTOR Comment: (BREAKDOWN ON POWER TRIM MOTOR )	878265A4
21	SCREW (LONG)	10-881768A1
21	SCREW (SHORT)	10-811616
22	SHAFT ASSEMBLY	8M0142997
23	PLUG, Pipe (.0625-27)	22-56800
24	PIN, Groove	17-878267	17-44431
25	PIN, Trilobe	17-821539	17-13794, 17-19603
26	SHAFT	99625002
27	ANODE KIT	97-818298Q1
28	SCREW, (M6 x 25)	10-8M0204707
29	WASHER, (.281 x .500 x .060) Stainless Steel	12-8M0204649
30	SCREW, (M10 x 30)	10-4000377
31	WASHER	12-4002319
32	CLAMP	54-26550
33	SCREW, (#10-16 x .500)	10-878608	10-812832
34	C WASHER	8M0084613	69205
35	DECAL, Caution-Power Trim	37-435301
36	CONDUIT, (.350 Inside Diameter x 3.00 Feet Bulk)	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

POWER TRIM MOTOR(REMOVABLE PUMP HOUSING)

Below is the parts list for Mercury 250XB (3.0L EFI) POWER TRIM MOTOR(REMOVABLE PUMP HOUSING):

Position No.	Part Name	OEM Number
-	TRIM MOTOR	878265A4
1	BRUSH AND SEAL KIT	828714A1
2	ARMATURE KIT	828713T1
3	END FRAME (COMPLETE)	828715A1

REED BLOCK/FLYWHEEL COVER

Below is the parts list for Mercury 250XB (3.0L EFI) REED BLOCK/FLYWHEEL COVER:

Position No.	Part Name	OEM Number	Supersedes
1	CLAMP	54-49542
2	GASKET	27-825815
3	SCREW, (M6 x 12)	10-82130012
4	ADAPTOR PLATE	825178T4
5	RETAINER	827507
6	SCREW, (M6 x 25)	10-82130025
7	GASKET	27-8141951
8	REED BLOCK	8M0051202	828623A 1
-	REED KIT (INCLUDES REEDS AND SCREWS)	34-849007A1
9	SCREW, (M6 x 20)	10-4007420
10	FLYWHEEL COVER	825832
11	GROMMET	25-8M0153609
-	GASKET SET	27-832933A98
-	POWERHEAD ASSEMBLY	61-848700A7

SERVICE/SUPPORT MATERIAL

Below is the parts list for Mercury 250XB (3.0L EFI) SERVICE/SUPPORT MATERIAL:

Position No.	Part Name	OEM Number
-	PARTS MANUAL, 250XB (3.0L EFI)	90-80494300
-	OWNERS MANUAL	90-10219020
-	SERVICE MANUAL	90-822900R3
-	DECAL SET	37-804801A00
-	DECAL, EPA Label Information Comment: (2000)	37-804675A00
-	DECAL, EPA Label Information Comment: (2001)	37-804675A01
-	DECAL, EPA Label Information Comment: (2002)	37-804675A02
-	DECAL, EPA Label Information Comment: (2003)	37-804675A03

STARTER MOTOR

Below is the parts list for Mercury 250XB (3.0L EFI) STARTER MOTOR:

Position No.	Part Name	OEM Number	Supersedes
1	STARTER MOTOR ASSEMBLY	50-898265009	50-818445 5
2	DRIVE CAP	8236392
3	THRU BOLT	10-823641
4	DRIVE KIT	823640T	823640
5	PINION	898265015	86177 1
6	ARMATURE	823638
7	BRUSH/SPRING KIT	898265016	75384, 75384 1
8	HOLDER	898265014	61787
9	CAP, Commutator	8119011
10	SCREW	F15158
11	LOCKWASHER, (.250) Stainless Steel	13-26992
12	NUT, (.250-20) Brass	11-94330
13	LOCKWASHER, (.250) Stainless Steel	13-26992
14	NUT, (.250-20)	11-20890
15	SCREW, (M8 x 50)	10-81893450
16	SPACER	23-824921
17	DECAL, Warning, High Voltage	37-8272822

SWIVEL BRACKET AND STEERING ARM

Below is the parts list for Mercury 250XB (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	814084F1
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	SENDER ASSEMBLY, Trim	8M0074846	821180A 6
16	SCREW, (#10-24 x .750)	10-852368	10-56682
17	LOCKWASHER, Stainless Steel	10,13-26996
18	WASHER, (.203 x .406 x .040)	12-89302
19	SWIVEL PIN ASSEMBLY, Steering Arm	17-67706A55
20	SCREW, (M12 x 175)	10-8M0000518	10-816386 1
21	WASHER, (12.80 mm x 24.0 mm x 2.4 mm) Stainless Steel	12-4002321
22	NUT, (M12)	11-896963	11-859129, 11-90099
23	LINK ROD ASSEMBLY	92876A12
24	SCREW, (.375-24 x 1.250)	10-849838	10-14000
25	NUT, (.375-24) Stainless Steel	11-8M0204726
26	WASHER, (.390 x .625 x .062) Stainless Steel	12-37828
27	NOT SOLD SEPARATE, DECAL, Serial Overlaminate	NSS

TOOLS, SPECIAL

Below is the parts list for Mercury 250XB (3.0L EFI) TOOLS, SPECIAL:

Position No.	Part Name	OEM Number	Supersedes
-	DIAL INDICATOR TOOL Comment: (Electrical/Ignition)	91-58222A1
-	CARTRIDGE Comment: (Electrical/Ignition)	91-8226086
-	HARNESS ASSEMBLY, Adaptor Comment: (Electrical/Ignition)	84-822560A7
-	HOLDER TOOL Comment: (Electrical/Ignition)	91-52344
-	PULLER ASSEMBLY Comment: (Electrical/Ignition)	91-849154T1
-	CABLE ASSEMBLY, DDT Comment: (Electrical/Ignition)	84-825003A1
-	DIGITAL DIAGNOSTIC TESTER Comment: (Electrical/Ignition)	91-823686A2
-	MULTI METER Comment: (Electrical/Ignition)	91-99750A1
-	CAP TOOL, Flywheel Puller Comment: (Electrical/Ignition)	91-24161
-	SWITCH ASSEMBLY Comment: (Electrical/Ignition)	91-52024A1
-	SERVICE TACHOMETER Comment: (Electrical/Ignition)	91-59339
-	TESTER, EIGHT CHAMBER Comment: (Electrical/Ignition)	91-850439T1
-	GAP TOOL, Single Chamber, SINGLE CHAMBER Comment: (Electrical/Ignition)	91-63998A1
-	HARNESS ASSEMBLY, Test Comment: (Electrical/Ignition)	84-822560A6
-	TIMING LIGHT Comment: (Electrical/Ignition)	91-99379
-	HARNESS ASSEMBLY, TPI/CDM Test Comment: (Electrical/Ignition)	84-825207A1
-	HARNESS ASSEMBLY Comment: (Electrical/Ignition)	84-825207A2
-	GAUGE TOOL Comment: (Powerhead)	91-29287
-	SLEEVE Comment: (Powerhead)	91-55919
-	HOLDER TOOL Comment: (Powerhead)	91-52344
-	PULLER ASSEMBLY Comment: (Powerhead)	91-849154T1
-	LIFTING EYE Comment: (Powerhead)	91-904551
-	INSTALLATION TOOL, Lock Ring Comment: (Powerhead)	91-93004A2
-	REMOVAL TOOL, Piston Pin Lock Ring Comment: (Powerhead)	91-52952T1
-	MANDREL TOOL, Piston Pin Comment: (Powerhead)	91-92973A1
-	EXPANDER TOOL, Piston Ring Comment: (Powerhead)	91-24697
-	STAND, Powerhead Comment: (Powerhead)	91-812549T	91-812549 (Powerhead)
-	CAP TOOL, Flywheel Puller Comment: (Powerhead)	91-24161
-	COMPRESSOR TOOL, Ring Comment: (Powerhead)	91-823237T	91-823237 (Powerhead)
-	TORQUE WRENCH, (0-150 lb-in) Comment: (Powerhead)	91-66274
-	PULLER PLATE Comment: (Powerhead)	91-37241
-	ALIGNMENT TOOL Comment: (Trim/Tilt System)	91-112301
-	MULTI METER Comment: (Trim/Tilt System)	91-99750A1
-	SPANNER WRENCH Comment: (Trim/Tilt System)	91-74951
-	HEAT LAMP Comment: (Trim/Tilt System)	91-63209
-	ROD TOOL, Backlash Indicator Flag Comment: (Gear Housing)	91-53459
-	INDICATOR TOOL, Backlash Comment: (Gear Housing)	91-8M0053505	91-78473 (Gear Housing)
-	DRIVER TOOL, Bearing Comment: (Gear Housing)	91-816244
-	REMOVAL TOOL, Bearing Comment: (Gear Housing)	91-816245
-	MANDREL, Bearing Driver Cup Comment: (Gear Housing)	91-31106T
-	DRIVER TOOL, Bearing Cup Comment: (Gear Housing)	91-87120T
-	PRE LOAD TOOL, Bearing Comment: (Gear Housing)	91-14311A04
-	PULLER KIT, Bearing Comment: (Gear Housing)	91-31229A7
-	MANDREL Comment: (Gear Housing)	91-15755T
-	DRIVE HEAD TOOL Comment: (Gear Housing)	91-36569T
-	DRIVER ROD TOOL, Needle Bearings Comment: (Gear Housing)	91-37323
-	WRENCH TOOL, Driveshaft Bearing Comment: (Gear Housing)	91-36571T
-	INSTALLER TOOL, Bearing Comment: (Gear Housing)	91-38628T
-	NUT, (.625-18) Comment: (Gear Housing)	11-24156
-	PLATE Comment: (Gear Housing)	91-29310
-	WASHER Comment: (Gear Housing)	12-34961
-	RETAINING TOOL, Bearing Comment: (Gear Housing)	91-43506T
-	WASHER Comment: (Gear Housing)	12-54048
-	INSTALL TOOL, Cross Pin Comment: (Gear Housing)	91-86642
-	ADAPTER KIT, Dial Indicator Comment: (Gear Housing)	91-83155
-	DIAL INDICATOR TOOL Comment: (Gear Housing)	91-58222A1
-	HOLDING TOOL, Dial Indicator Comment: (Gear Housing)	91-89897
-	DRIVER CUP Comment: (Gear Housing)	91-36577T
-	ADAPTOR TOOL, Driveshaft Comment: (Gear Housing)	91-61077T
-	HOLDING TOOL, Driveshaft Comment: (Gear Housing)	91-56775T
-	FOWARD GEAR INSTALLATION TOOL Comment: (Gear Housing)	91-815850
-	INSTALLER TOOL, Needle Bearing - Forward Gear Comment: (Gear Housing)	91-86943T
-	NUT TOOL, Gear Housing Cover Comment: (Gear Housing)	91-61069T
-	GUIDE PLATE Comment: (Gear Housing)	91-816243
-	PULLER JAWS Comment: (Gear Housing)	91-816242
-	MANDREL Comment: (Gear Housing)	91-92788T
-	DRIVER Comment: (Gear Housing)	91-33491
-	DRIVER, Oil Seal Comment: (Gear Housing)	91-31108T
-	DRIVER TOOL, Oil Seal Comment: (Gear Housing)	91-817569T	91-817569 (Gear Housing)
-	LOCATION TOOL, Pinion Comment: (Gear Housing)	91-12349A05
-	SHIMMING TOOL, Pinion Gear Comment: (Gear Housing)	91-56048001
-	ADAPTOR TOOL, Pinion Nut Comment: (Gear Housing)	91-61067A04
-	PROPELLER SHAFT Comment: (Gear Housing)	44-93003
-	PULLER TOOL Comment: (Gear Housing)	91-85716
-	PULLER JAW ASSEMBLY Comment: (Gear Housing)	91-46086A1
-	PULLER PLATE Comment: (Gear Housing)	91-37241
-	INSTALLATION TOOL, Bearing Adaptor Comment: (Gear Housing)	91-18605A2
-	PULLER ASSEMBLY, Slide Hammer Comment: (Gear Housing)	91-34569A1
-	TORQUE WRENCH, (0-150 lb-in) Comment: (Gear Housing)	91-66274
-	GUIDE TOOL, Water Pump Alignment Pins Comment: (Gear Housing)	91-821571A1

TOP COWL

Below is the parts list for Mercury 250XB (3.0L EFI) TOP COWL:

Position No.	Part Name	OEM Number	Supersedes
1	TOP COWL ASSEMBLY, Black	4001-814277A61	4001-814277A49, 4001-814277T49
2	INLET, Air - Black	821256T03	821256T 1
3	SCREW, (M6 x 16)	10-82130016
4	SOUND BLANKET KIT	821250A1
5	NOT SOLD SEPARATE, Sound Blanket (SIDE)	NSS
6	CAP PLUG	19-823865
7	REAR LATCH HOOK	821248
8	RING, Retaining	53-8237951
9	ROLLER	8M0207770
10	WASHER, (.281 x .500 x .060) Stainless Steel	12-8M0204649
11	NUT, (M6) Stainless Steel	11-401366
12	BRACKET, Front	8M0036792	821249M 2
13	BUMPER, Latch	815477
14	PIN, Roll	8155381
15	NUT, (M6) Stainless Steel	11-401366
16	WASHER, (.281 x .500 x .060) Stainless Steel	12-8M0204649
17	COVER	826639T
18	ROPE AND HANDLE KIT, Manual Starting	47341A11
19	DECAL SET	37-804801A00

Transom Brackets

Below is the parts list for Mercury 250XB (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 Comment: (PORT)	22-8M0169588
4	TILT TUBE	826125A1
5	NUT, (1.00-14) Brass/Nickel Plate	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, (1.5 x 3.05 x 0.13) Stainless Steel	12-8M0204648
11	NUT, (.500-20)	11-91962
12	LEVER ASSEMBLY	8M0115104	8M0115103, 99629T 2
13	SPRING, Tension	24-830899
14	NYLINER	23-65830
15	SPRING, Compression	24-830900
16	KNOB	99633
17	PIN, Groove	17-99615
18	PIN	17-893709	17-99617

VAPOR SEPARATOR

Below is the parts list for Mercury 250XB (3.0L EFI) VAPOR SEPARATOR:

Position No.	Part Name	OEM Number	Supersedes
-	MANAGEMENT ASSEMBLY, Fuel	825818A14	825818A13, 825818A 1
1	BODY KIT	8140111
2	SCREW KIT	10-809091
3	O-RING	809086
4	VALVE	21-424811
5	SCREW KIT, Mounting	809092
6	BOLT	10-809061
7	LOCKWASHER	13-400256
8	WASHER	12-8090621
9	WASHER	12-8090622
10	GROMMET	25-88033
11	COLLAR	23-809078
12	FLOAT KIT	15445
13	VALVE KIT, Float	15446
14	COVER	8140101
15	ELBOW KIT	22-809085
16	SCREW KIT	10-8140761
17	CONNECTION KIT, Electrical	809090
18	TUBING KIT	32-897992A01	32-827694 1
19	ATTACHING KIT	809087
20	REGULATOR KIT, Fuel Pressure	814012T1
21	PUMP KIT, Fuel	809088T	809088
22	STRAINER KIT	808504T1
23	FITTING KIT, Fuel Pump	809089
24	O-RING KIT	150291
25	NUT, (M4)	11-8237515
26	NUT, (M5) Stainless Steel	11-400211
27	LOCKWASHER, Stainless Steel	8,13-26995
28	SENSOR, MAP	825762
29	SCREW, (M6 x 12)	10-82130012
30	DECAL, EPA Label Information Comment: (2000)	37-804675A00
30	DECAL, EPA Label Information Comment: (2001)	37-804675A01
30	DECAL, EPA Label Information Comment: (2002)	37-804675A02
30	DECAL, EPA Label Information Comment: (2003)	37-804675A03
31	NOT SOLD SEPARATE, DECAL, Caution (In Gear Idle)	NSS
32	DECAL, Caution-Start in Gear Comment: (Start In Gear)	37-881865	37-825064 (Start In Gear)

Download this page as PDF: Click here

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

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.