Mercury 25 SEAPRO (4-STROKE) (0R051710 & Up) Outboard Motor Parts Diagram & Catalog – Free PDF Download

by JLM Marine 30 Apr 2025 0 Comments

Mercury 25 SEAPRO (4-STROKE) Outboard Motor Parts Diagram & Catalog – Free PDF Download

Use the Table of Contents below to jump to each diagram. For more details, click the part name or the OEM number to view its detailed page. A free PDF version of the catalog can be downloaded at the bottom of this page.

Accessories
Camshaft and Oil Pump
Carburetor
Clamp Brackets
Cowling
Crankshaft, Pistons and Connecting Rods
Cylinder Block
Cylinder Head
Driveshaft Housing
Electrical Components
Fuel Tank Assembly(6.6 Gallon)
Gear Housing, Driveshaft
Gear Housing, Propeller Shaft
Intake Manifold and Fuel Pump
Intake and Exhaust Valves
Recoil Starter
Service/Support Material
Shift Components
Swivel Bracket
Tiller Handle

Accessories

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Accessories:

Position No.	Part Name	OEM Number	Supersedes
-	STARTER MOTOR KIT, Electric	50-8M0075043

Camshaft and Oil Pump

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Camshaft and Oil Pump:

Position No.	Part Name	OEM Number	Supersedes
1	CAMSHAFT	834956002
2	PIN, Camshaft	17-95218015
3	PUMP, Oil	8M0117630
4	GASKET	27-853523002
5	SCREW	10-850879002
6	KEY	28-95229
7	SEAL, Oil	26-825455001
8	WASHER	12-895118003
9	PULLEY, Driven	43-834973002
10	BOLT	10-16705	10-95302
11	WASHER	12-895118
12	TIMING BELT	57-895120001
13	TENSIONER, Belt	895265
14	COVER, TENSIONER	895266
15	BOLT	10-803876001
16	WASHER, Stainless Steel	12-879194340	12-895141
17	SPRING, Tensioner	24-815093002
18	HOOK	851845001
19	NUT	11-855679002
20	LOCKWASHER	13-823032001
21	PLATE	895119001
22	PULLEY, Drive	834955T02	43-834955002
-	GASKET SET, Powerhead	27-835427A05
-	POWERHEAD ASSEMBLY	895188A05

Carburetor

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Carburetor:

Position No.	Part Name	OEM Number	Supersedes
1	CARBURETOR, Upper	3303-895110A05
2	FLOAT Comment: (Bowl Upper)	802690005
2	FLOAT Comment: (Bowl Center)	802690006
2	FLOAT Comment: (Bowl Lower)	802690007
3	GASKET, Float Bowl	27-802699004	27-802699003
4	PLUNGER	853830002
5	SPRING	24-895116001
6	SCREW	10-895136001
7	SCREW	10-162601
8	SCREW, Drain	10-803509015
9	GASKET	27-8M0094878	27-855567003
10	FLOAT	16253004
11	FLOAT, Arm Pin	17-16256004
12	SCREW	10-16196001
13	BOOT, Rubber	895115001
14	ROD, Link	853746003
15	NOZZLE, Main	802700005
16	JET, Main #82	802701006
17	JET, Slow #45	803689004
18	CAP	16252
19	VALVE, Float	898101063	16254 4
20	PIN, Valve	853721
21	CLIP	54-16255
22	COVER, Carburetor	855540003
23	GASKET	27-855541004
24	SCREW	10-855542
25	ENRICHENER	854254004
26	PLATE	854255001
27	SCREW	10-855542
28	CARBURETOR, Center	3303-895110A06
29	CARBURETOR, Lower	3303-895110A07
30	SCREW	10-16263
31	SPRING	24-16264002
32	SCREW, Drain	10-803509016
33	HOSE, Rubber	32-895153005
34	HOSE, Rubber	32-895153003
35	CONNECTOR	22-812960004
36	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
37	HOSE, Rubber	32-895153004
38	HOSE, Rubber	32-895153008
39	TEE, Fitting	22-73318002
40	HOSE, Rubber	32-895153002
41	HOSE, Rubber	32-895153006
42	HOSE, Rubber	32-895153007
43	CLAMP	54-953951
44	LEVER, Link Components	853761001

Clamp Brackets

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Clamp Brackets:

Position No.	Part Name	OEM Number	Supersedes
1	CLAMP BRACKET, Starboard, Black, 1/2 Inch Thread Comment: SN# 0N074966 & Below	3406-9622T02
1	CLAMP BRACKET, Starboard, 14MM Thread Comment: SN# 0N074967 & Up	3418-898101T26
2	CLAMP BRACKET, Port, Black, 1/2 Inch Thread Comment: SN# 0N074966 & Below	3406-9623T02
2	CLAMP BRACKET, Port, 14MM Thread Comment: SN# 0N074967 & Up	3418-898101T25
3	BOLT	10-851866008
4	NUT	11-853722029	11-853722 13
5	CAP NUT	11-85372214
6	BUSHING	23-8537435
7	PIN, Spacer	898101044
8	WASHER, Stainless Steel	12-16826
9	NUT	11-400212
10	PIN, Tilt	898101207	16198 1
11	SPRING	24-8126455
12	THUMB SCREW ASSEMBLY, 1/2 Inch Thread Size Comment: SN# 0N074966 & Below	10-16200A1
12	THUMB SCREW ASSEMBLY, 14 MM Thread Size Comment: SN# 0N074967 & Up	10-8M0054653	10-804042A02 SN# 0N074967 & Up
13	PAD	12-95379
14	DECAL, Co-Pilot	37-823701003
15	ANODE	97-804043
16	BOLT	10-879194264	10-823042 24
17	BOLT	10-879194310	10-16126 3, 10-823042056
18	WASHER	12-16192
19	NUT	11-879194337	11-853722023
20	ROD, Reverse Lock	8537474
21	ARM, Reverse Lock	162131
22	SPRING Comment: (Short)	24-953834
22	SPRING Comment: (Long)	24-879194008	24-95383 5 (Long)
23	COTTER PIN	18-8150261
24	GROUND WIRE, To Swivel Bracket	84-898101089	84-803779, 84-853740 1
25	LINK, Reverse Lock	8537475
26	SPRING	24-953833
27	BOLT	10-8230427
28	LEVER, Reverse Lock	853759T01	853759 1
29	GRIP	8M0183798
30	BUTTON	8M0051399	853776
31	BOLT	10-162612
32	WAVE WASHER	13-17641
33	WASHER, Stainless Steel	12-953921
34	ARM, Reverse Lock	162132
35	SCREW	10-879194007	10-853700
36	WASHER, Stainless Steel	12-953921
37	STOPPER, Tilt	8M0157131
38	BOLT	10-8M0098607
39	SET PLATE	879194006	16210 1
40	PIN, Spring	17-95218016
41	BRACKET	8251131
42	STOP	853774
43	SPRING	24-953832

Cowling

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Cowling:

Position No.	Part Name	OEM Number	Supersedes
1	TOP COWL ASSEMBLY	114-803580A12
2	TILT HANDLE	16218009
3	ROLLER	853788001
4	WASHER, Stainless Steel	12-953921
5	E RING	53-953181
6	WASHER, Stainless Steel	12-953921
7	NUT	11-400212
8	SEAL, Rubber	895178002	895178001
9	BOTTOM COWL	2189-853778007
10	BOLT	10-16830
11	WASHER	12-161404
12	SPACER	23-853715007
13	MOUNT, Rubber	23-8537437
14	GROMMET	25-16226
15	CLAMP	54-803563005	54-803563 1
16	CLIP, Stainless Steel	54-95395
17	TUBING, (300 mm)	32-851848011
18	CONNECTOR, Fuel - Brass	22-8M0182334
19	BOLT, Stainless Steel	10-8M0102279	10-823042 22
20	CAP	878311
21	GROMMET	25-162312
22	NOT SOLD SEPARATE, Decal-Oil Pressure	NSS
23	BOLT	10-879194268	10-823042053
24	COVER	895174001
25	GROMMET	25-895175002
26	BOLT	10-8M0147119
27	DECAL, F, N, R	37-802987001
28	NOT SOLD SEPARATE, Decal Storage	NSS
29	LATCH, Cowl	817015003
30	SEAL	26-16219
31	BUSHING	23-163365
32	HOOK, Cover	16222003
33	WAVE WASHER	13-16221
34	BOLT	10-8230427
35	WASHER, Stainless Steel	12-953921
-	DECAL SET	37-895763A05

Crankshaft, Pistons and Connecting Rods

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Crankshaft, Pistons and Connecting Rods:

Position No.	Part Name	OEM Number	Supersedes
1	CRANKSHAFT	400-834957A02
2	BEARING Comment: (Red)	23-898101008	31-834960009 (Red)
2	BEARING Comment: (Blue)	31-834960010
3	SEAL, Oil, Upper	26-855681002
4	SEAL, Oil, Lower	26-898101123	26-855681003
5	PISTON Comment: (Standard)	700-834963002
5	PISTON Comment: (0.5 MM Oversize)	700-834963003
-	RING SET, Piston Comment: (Standard)	39-803518T03	39-803518A03 (Standard)
-	RING SET, Piston Comment: (0.5 MM Oversize)	39-803518A04
6	RING, Piston - Top Comment: (Standard)	39-803518
6	RING, Piston - Top Comment: (0.5 MM Oversize)	39-8035181
7	RING, Piston - Second Comment: (Standard)	39-803519
7	RING, Piston - Second Comment: (0.5 MM Oversize)	39-8035191
8	RING, Oil Comment: (Standard)	26-803520
8	RING, Oil Comment: (0.5 MM Oversize)	26-8035201
9	ROD, Connecting	600-834961003
10	BOLT	10-8035092
11	E RING	53-160573
12	PIN, Piston	41-898103113	41-803521
13	KEY	28-160531
14	KEY	28-825666001	28-825666002
-	GASKET SET, Powerhead	27-835427A05
-	POWERHEAD ASSEMBLY	895188A05

Cylinder Block

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Cylinder Block:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER BLOCK	878-815013A07
2	PIN, Dowel	17-16119
3	BOLT	10-855677006	10-855677003
4	BOLT	10-853531001	10-810755016, 10-853531003
5	WASHER, Stainless Steel	12-16826
6	BOLT	10-855677004
7	PIN, Dowel	17-16119
8	EYE, Lifting	855550001
9	BOLT	10-16830009
10	THERMOSTAT, 60 Degrees	8M0119207
11	GASKET	27-8M0214960
12	CAP	8537052
13	BOLT	10-879194264	10-823042 24
14	BOLT	10-16832
15	ANODE	97-823912	16127
16	GASKET	27-895150001	27-895150
17	PLUG, Anode	97-895151001	895151
18	BOLT	10-167051
19	FILTER ASSEMBLY, Oil Comment: (Mercury)	35-8M0162831
19	FILTER ASSEMBLY, Oil Comment: (Quicksilver)	35-8M0162832
20	GASKET	27-835427T04	27-835427004
21	DIPSTICK	803512002
22	HOSE, Rubber (220 mm)	32-8M0057119	32-895153001
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	STRAINER, Oil	35-895152003	35-895152001
25	PLUNGER	898101142	803535003, 803535002, 803535001
26	BRACKET	853752002
27	BOLT, (M6 x 14)	10-16223
-	GASKET SET, Powerhead	27-835427A05
-	POWERHEAD ASSEMBLY	895188A05

Cylinder Head

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Cylinder Head:

Position No.	Part Name	OEM Number	Supersedes
1	CYLINDER HEAD ASSEMBLY	900-835430A04
2	GASKET	27-850836002
3	PIN, Dowel	17-16119
4	BOLT	10-855677002
5	BOLT, Cylinder Head	10-853531001	10-810755016, 10-853531003
6	WASHER, Stainless Steel, Cylinder Head Cover	12-16826
7	PLUG	22-8M0229353
8	GASKET	27-95220
9	TUBING, (450 mm)	32-851848009
10	NIPPLE	22-898101961	22-812960 3
11	SPARK PLUG, NGK#DCPR6E (NGK#DCPR6E)	33-8M0204682
12	PLATE	853756001
13	BOLT	10-16828
14	PIPE, Oil (330 mm), To Air Silencer	32-812940006
15	CLIP	54-803525003	54-803525001
16	COVER, Cylinder Head	834954002
17	SCREW KIT	10-16830A1
18	CAP ASSEMBLY, Oil Filler	36-8M0135589
19	O-RING	25-803513007
20	CLAMP	54-8M0130961
21	GASKET	27-803508T18	27-803508018
22	PLATE, Breather	834974001
23	SCREW	10-823031016
24	HOSE, Rubber (290 mm), To Engine Base	32-8M0057121	32-812940007
-	GASKET SET, Powerhead	27-835427A05
-	POWERHEAD ASSEMBLY	895188A05

Driveshaft Housing

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Driveshaft Housing:

Position No.	Part Name	OEM Number	Supersedes
1	HOUSING, Driveshaft Comment: (Short)	1599-803724T02	1599-803724002 (Short)
1	HOUSING, Driveshaft Comment: (Long)	1500-8M0192164
2	PLATE	95275002
3	BOLT	10-898103227	10-823042047
4	WASHER	12-16192
5	BOLT	10-8M0224584
6	BOLT, Drain	10-895136002
7	WASHER	12-895146
8	COVER, Drain	853577001
9	GASKET	27-854617001
10	BOLT	10-898101953
11	PIN, Dowel	17-16119
12	COVER, Idle Port	895147001
13	GASKET	27-895148001
14	GROMMET	25-881305005
15	BOLT	10-167051
16	APRON	895149001
17	SEAL, Rubber	852432002
18	SCREW, Tapping	10-16257004
19	WASHER, Stainless Steel	12-16826
20	ADAPTER PLATE, With Nipple	851852002
21	SEAL, Rubber	852432001
22	GASKET	27-803663T15	27-803663015
23	SEAL, Oil	26-8537072
24	PLUG	19-803593
25	GASKET	27-835427T04	27-835427004
-	GASKET SET, Powerhead	27-835427A05

Electrical Components

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Electrical Components:

Position No.	Part Name	OEM Number	Supersedes
1	FLYWHEEL	262-803577002
2	NUT	11-851832
3	WASHER	12-8539911
4	STATOR	16058003
5	SCREW	10-853536001
6	BRACKET, Coil	895267
7	BOLT	10-879194264	10-823042 24
8	CLAMP	54-8M0130961
9	BOLT	10-162231
10	COIL, Pulser	835395001
11	COIL, Pulser	835395002
12	COIL, Pulser	835395003
13	SCREW	10-878388001
14	CD UNIT	835401003
15	BOLT	10-167051
16	HARNESS ASSEMBLY, CD	84-895121A02
17	PLUG	19-853994	19-853994001
18	HARNESS ASSEMBLY, CD	84-895121A03
19	COIL ASSEMBLY, Ignition	339-803559A03
20	CAP, Plug	85-803560002
21	CLAMP	54-803563005	54-803563 1
22	PLATE, CD Unit	835403004
23	BOLT, Stainless Steel	10-823042
24	WASHER, Stainless Steel	12-953921
25	WASHER, Rubber	12-953923
26	GROMMET	25-851815005
27	COLLAR	23-952868
28	SWITCH ASSEMBLY, Stop - Lanyard	87-823037A2
29	LANYARD	823054
30	BRACKET	892779
31	SLEEVE, Protective	32-895108002
32	SLEEVE, Protective	32-895108003
33	SENSOR, Overheat	895268
34	CLAMP	803762
35	BOLT	10-17174
36	CABLE ASSEMBLY	84-895122A01
37	BOLT	10-162231
38	BUZZER, Overheat	802996001
39	SCREW	10-855544012
40	CABLE ASSEMBLY, Red	84-824372A04
41	PLUG	19-853994	19-853994001
42	PILOT LAMP	804057001
43	SWITCH	87-8M0163139
44	WIRE, Lead	84-803539001

Fuel Tank Assembly(6.6 Gallon)

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Fuel Tank Assembly(6.6 Gallon):

Position No.	Part Name	OEM Number	Supersedes
1	TANK ASSEMBLY, Fuel, Fuel	1265-859065A3
2	CAP ASSEMBLY, Fuel-Manual Vent, Fuel	36-816976Q1
3	GASKET, Fuel Cap, Fuel Cap	27-8169771
4	GASKET, Pick Up Body	27-859072
5	PICK UP ASSEMBLY, Fuel	8M0084090	859066A 3
6	FLOAT	859056
7	SCREW, (M5 x 16)	10-40056107
8	WASHER, Fiber	12-859080

Gear Housing, Driveshaft

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Gear Housing, Driveshaft:

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, Complete Comment: Short	1668-895154A04
-	GEAR HOUSING ASSEMBLY, Complete Comment: Long	1668-8M0070900	1668-825132T36, 1668-825132T23 Long
1	GEAR HOUSING ASSEMBLY, Basic	1668-8M0057242	1668-825132T34, 1668-825132T29, 1668-825132T04, 1668-825132A 4
2	BEARING, Needle	31-813048006	31-813048 4
3	STRAINER SET, Water	853763
4	SCREW	10-17635
5	NUT	11-85372216
6	STRAINER, Water	16133
7	SCREW	10-898101959	10-879194324, 10-823042051
8	TRIM TAB	853762	853762 1
9	BOLT	10-167051
10	NUT	11-85372211
11	GEAR, Pinion (12 Teeth)	43-16138T01
12	SPRING	24-8126454
13	PIPE	853765T	853765
14	DRIVESHAFT Comment: Short	45-803738T06	45-803738006 Short
14	DRIVESHAFT Comment: Long	45-16136T02
15	KEY	28-161551
16	BEARING, Tapered roller	30-16128T02
17	SHIM, (0.1)	15-813276001
17	SHIM, (0.15)	15-813276015
17	SHIM, (0.3)	15-813276003
17	SHIM, (0.5)	15-813276005
18	SEAL, Oil	26-161622
19	O-RING	25-8537096
20	HOUSING, Water Pump - Lower	46-8260531
21	GASKET	27-161602
22	PLATE, Water Pump Guide	803753002
23	GASKET	27-16158010
24	PIN, Dowel	17-952188
25	IMPELLER	47-803748002
26	PUMP, Liner Housing	803751002
27	HOUSING, Water Pump	46-803750T05	46-803750005
28	SEAL	26-161681
29	BOLT	10-823042046	10-823042 5
30	GROMMET	25-804903001
31	TUBE, Water Comment: Short	32-803755006
31	TUBE, Water Comment: Long	32-803755007
32	HOSE, Rubber (15 mm) Comment: Long	32-8M0057120	32-851848008 Long
33	PLUG	22-8M0229353
34	GASKET	27-95220
35	BOLT	10-879194307	10-16695006
36	WASHER	12-16192
37	BOLT, Stud Comment: Short	10-879194302	10-823042049 Short
38	NUT	11-879194337	11-853722023
39	BOLT Comment: Long and X-Long	10-879194308
-	REPAIR KIT, Water Pump	8M0208905
-	GASKET SET, Lower Unit	27-8M0089636

Gear Housing, Propeller Shaft

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Gear Housing, Propeller Shaft:

Position No.	Part Name	OEM Number	Supersedes
-	GEAR HOUSING ASSEMBLY, Complete, Short	1668-895154A04
-	GEAR HOUSING ASSEMBLY, Complete, Long	1668-8M0070900	1668-825132T36, 1668-825132T23
1	GEAR HOUSING ASSEMBLY, Basic	1668-8M0057242	1668-825132T34, 1668-825132T29, 1668-825132T04, 1668-825132A 4
2	BEARING, Ball	30-16128T01
3	SHIM, (0.15) Comment: (0.15)	15-8132761
3	SHIM, (0.1) Comment: (0.1)	15-161631
4	GEAR, Forward	43-8M0183179
5	FOLLOWER, Cam	161521
6	BALL, Steel	30-161322
7	HOLDER	853764003	853764
8	SPRING	24-8126453
9	CLUTCH	52-898103030	52-812946 1
10	PIN	17-161501
11	SPRING	24-176672
12	PROPELLER SHAFT	44-19513T01
13	CARRIER ASSEMBLY, Bearing	8M0070880	825119T01, 825119A 1
14	O-RING	25-161311
15	BEARING, Ball	30-16132T01
16	BEARING, Needle	31-813048T05	31-813048 5
17	SEAL, Oil	26-161301
18	BOLT	10-879194273	10-823042050
19	WASHER	12-161401
20	GEAR, Reverse	43-812945T02	43-812945 2
21	THRUST HUB	161452
22	PROPELLER Comment: (8)	QA2190R	48-853790T05, 48-853790 5 (8)
22	PROPELLER Comment: (9)	QA2192R	48-853790T07, 48-853790007, 48-853790 4 (9)
22	PROPELLER Comment: (10)	48-8M0135335
22	PROPELLER Comment: (11)(Standard Long)	QA2196R	48-853790T02, 48-853790 2 (11)(Standard Long)
22	PROPELLER Comment: (12)	48-896900A40	48-853790008 (12)
22	PROPELLER Comment: (13)(Standard Short)	QA2200R	48-853790T01, 48-853790 1 (13)(Standard Short)
22	PROPELLER Comment: (14)	48-8M0047582	48-853790T, 48-853790 (14)
23	WASHER	12-161402
24	PROP NUT	11-161471
25	COTTER PIN	18-8150264
-	GASKET SET, Lower Unit	27-8M0089636

Intake Manifold and Fuel Pump

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Intake Manifold and Fuel Pump:

Position No.	Part Name	OEM Number	Supersedes
1	MANIFOLD, Inlet	804887001
2	BOLT	10-853531004
3	WASHER	12-895106002
4	GASKET	27-853525002
5	PIN, Dowel	17-16119
6	BOLT	10-823042046	10-823042 5
7	CLAMP	54-8M0130961
8	GASKET, Carburetor	27-16327001
9	INSULATOR	853526002
10	BOLT	10-855809001
11	WASHER, Stainless Steel	12-16826
12	FLANGE, Air Silencer	853526003
13	O-RING	25-825057005
14	SEAL, Rubber	26-855560001
15	CLAMP	54-953951
16	SILENCER, Air	853728002
17	CLAMP	54-853798001
18	BOLT	10-167051
19	COLLAR	23-952868
20	PUMP, Fuel	803529T04	803529A04
21	BOLT, Stainless Steel	10-823042
22	O-RING	25-16109003
23	CLIP, Stainless Steel	54-95395
24	TUBING, Rubber (160 mm)	32-851848010
25	FILTER, Fuel	35-8M0157133
-	GASKET SET, Powerhead	27-835427A05

Intake and Exhaust Valves

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Intake and Exhaust Valves:

Position No.	Part Name	OEM Number	Supersedes
1	VALVE, Intake	850838T02	850838002
2	VALVE, Exhaust	850839T02	850839002
3	SEAL, Intake - Black	26-822647001
4	SEAL, Exhaust - Green	26-822647002
5	SPRING	24-898101214	24-803554 4
6	SEAT	8M0158660
7	RETAINER	803555
8	KEEPER, Valve	28-803556
9	ARM, Rocker	850841003
10	SCREW, Adjusting	10-825046001
11	NUT, Adjusting	11-826150001
12	SHAFT, Rocker	850842002
13	SHAFT, Rocker	850842003
14	BOLT	10-823042036
15	COLLAR	825451001
16	SPRING	24-825452002
17	SPRING	24-825453001
18	WASHER	12-895118001
-	POWERHEAD ASSEMBLY	895188A05

Recoil Starter

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Recoil Starter:

Position No.	Part Name	OEM Number	Supersedes
1	STARTER ASSEMBLY, Recoil	8M0170582
2	HOUSING, Starter	803716005
3	HANDLE, Starter	804029
4	CAP, Starter Handle	853755002
5	SPRING	24-812645008
6	LOCK, Starter	804031002
7	ROPE, Starter	50-8M0110715	50-850057Q03, 50-850057003
8	SPRING, Starter	24-804024008
9	E RING	53-852784001
10	REEL	803717002
11	SPRING, Friction	24-8M0126988
12	PLATE, Friction	812638002
13	BOLT	10-8M0126987
14	RATCHET	812635T03	812635003
15	RATCHET GUIDE	898101148	803718002
16	SPRING, Return	24-812634004
17	PULLEY, Starter	804035001
18	BOLT, Stainless Steel	10-8248324
19	SEAL, Rubber	824995004
20	BOLT, Stainless Steel	10-16705	10-95302
21	WASHER, Stainless Steel	12-953921
22	NUT	11-856949002	11-856949001
23	CABLE ASSEMBLY, Starter	895131A03
24	SPRING	24-812645009
25	COLLAR	23-855545004
26	COVER, Belt	895133T01	895133001
27	BOLT, Stainless Steel	10-16705	10-95302
28	WASHER, Stainless Steel	12-953921
29	COLLAR	23-952868
30	SCREW, (M6 x 25)	10-8M0204707
31	DECAL, Spark Plug	878369
32	NOT SOLD SEPARATE, Caution Lable B	NSS

Service/Support Material

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Service/Support Material:

Position No.	Part Name	OEM Number	Supersedes
-	PARTS MANUAL, 25HP Seapro 4-Stroke International	90-895257005

Shift Components

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Shift Components:

Position No.	Part Name	OEM Number
1	CAM	8M0172382
2	ROD, Cam Comment: (Short)	803760006
2	ROD, Cam Comment: (Long)	803760007
3	PIN	17-16179
4	BUSHING	23-16176007
5	O-RING	25-161772
6	O-RING	25-161782
7	BOLT	10-8230427
8	WASHER, Stainless Steel	12-953921
9	RETAINER	853794
10	ROD, Shift	803766004
11	ROD, Joint Shift	803767003
12	PIN, Dowel	17-952189
13	GROMMET	25-16823
14	LEVER, Shift	803763003
15	SEAL	26-16219
16	SHIFT ARM	851862001
17	CLIP	54-851863
18	LEVER, Rod Shift	803768004
19	JOINT, Cable	892775
20	WASHER	12-953925
21	COTTER PIN	18-8150262
22	NUT	11-16081
-	GASKET SET, Lower Unit	27-8M0089636

Swivel Bracket

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Swivel Bracket:

Position No.	Part Name	OEM Number	Supersedes
1	SWIVEL BRACKET	3407-813029015
2	BUSHING	23-16336007
3	PLATE, Thrust	803774002
4	O-RING	25-16109002
5	C-RING	53-804027001
6	FITTING, Grease	22-824969
7	BOLT	10-895140002
8	DISC	8M0145395
9	WASHER	12-895146003
10	HANDLE, Co-Pilot	895171001
11	WASHER	12-895146001
12	NUT, Nylon	11-95374001
13	PLATE, Co-Pilot	895172001
14	BOLT, Stainless Steel	10-8248324
15	TUBE, Swivel	8M0163141
16	MOUNT, Upper	853771005
17	PLATE, Upper Lock	853772003
18	DAMPER, Upper	853773004
19	WASHER	12-895168001
20	BOLT	10-812935007
21	DAMPER, Upper	853773003
22	MOUNT, Retainer	853755003
23	BOLT, Stainless Steel	10-16705	10-95302
24	WASHER	12-162382
25	PLATE, Lock	853772002
26	NUT	11-85372215
27	YOKE, Bottom	8M0192168
28	RUBBER DAMPER	8537732
29	CABLE ASSEMBLY, Ground, To Rubber Cop	84-898101091	84-878357
30	BOLT	10-8230427
31	BOLT	10-851866009
32	WASHER	12-879194343	12-95392014
33	GROUND WIRE, To Lower Mount	84-8537405
34	WASHER, Stainless Steel	12-16826
35	MOUNT	8M0075315	853771 2
36	WASHER	12-851867
37	WASHER	12-953928
38	NUT	11-95374002
39	COVER	851869002
40	BOLT	10-167051

Tiller Handle

Below is the parts list for Mercury 25 SEAPRO (4-STROKE) Tiller Handle:

Position No.	Part Name	OEM Number	Supersedes
1	Handle, Steering	803996002
2	BUSHING	23-823939001
3	WASHER	12-822145001
4	WAVE WASHER,	13-826792001
5	PLATE, Handle	826648001
6	STUD BOLT	16-815028
7	WASHER, Stainless Steel	12-16826
8	NUT	11-400212
9	CABLE ASSEMBLY, Throttle	895131A04
10	SLEEVE, Protective	32-895108004
11	BRACKET, Steering	804019002
12	CLAMP	54-851863001
13	BOLT	10-895140003
14	WASHER, Stainless Steel	12-879194340	12-895141
15	PIN	17-16085
16	BRACKET	16338
17	SCREW	10-16827
18	SHAFT, Throttle	803998002
19	FRICTION PIECE	813026	16337
20	SCREW, Adjusting	10-16087
21	WASHER, Stainless Steel	12-16826
22	NUT	11-400212
23	GRIP	853775003
24	SCREW	10-803876002
25	DECAL, Throttle	37-824200005
26	SPACER	23-16191
27	BUSHING	23-16336

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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.