Mercury 1250BP (2400058 THRU 2641954) Outboard Motor Parts Diagram & Catalog – Free PDF Download
CLAMP AND SWIVEL BRACKET ASSEMBLY
Back to TopBelow is the parts list for Mercury 1250BP CLAMP AND SWIVEL BRACKET ASSEMBLY:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CLAMP BRACKET ASSEMBLY | 1440-3296A1 | |
2 | THUMB SCREW ASSEMBLY | 28403A3 | |
3 | WASHER, THUMB SCREW | 12-28404 | |
4 | SERIAL PLATE | 38-56267 | |
5 | SCREW, SERIAL PLATE TO SWIVEL BRACKET | 10-25612 | |
6 | SWIVEL PIN AND STEERING ARM ASSEMBLY | 17-48883A1 | |
7 | SEAL, RUBBER - SWIVEL PIN | 26-52924 | |
8 | BOLT, STEERING ARM TO UPPER MOUNT | 10-49373 | |
9 | NUT, STEERING ARM BOLT | 11-8M0204653 | |
10 | SWIVEL BRACKET ASSEMBLY | 1453-4673A1 | |
11 | OIL SEAL, SWIVEL BRACKET | 26-37448 | |
12 | SCREW, DRIVE - SWIVEL BRACKET | 10-47828 | |
13 | FITTING, GREASE - SWIVEL BRACKET | 22-69059 | |
14 | LUBRICAP, SWIVEL BRACKET GREASE FITTING | 19-77633Q | |
15 | TUBE, TILT - CLAMP BRACKET TO SWIVEL BRACKET | 8M0041936 | 8M0035074, 883067, 30664 2, 74528 |
16 | SHIM ASSEMBLY, CLAMP BRACKET TILT TUBE | 12-52864 | |
17 | NUT, TILT TUBE FASTENTING | 11-858869 | 11-30499 |
18 | CAP, PLASTIC - TILT TUBE | 53078 | |
19 | SPACER, CLAMP BRACKET STUD | 23-59624 | |
20 | STUD, CLAMP BRACKET | 16-59625 | |
21 | WASHER, CLAMP BRACKET STUD | 12-24812 | |
22 | NUT, CLAMP BRACKET STUD | 11-862902 | 11-25594 |
23 | SCREW, TILT LOCK PIN (9-3/8") | 10-49369 | |
24 | WASHER, TILT LOCK PIN SCREW | 12-37828 | |
25 | NUT, TILT LOCK PIN SCREW | 11-82671013 | |
26 | BOLT, CLAMP BRACKET TO BOAT TRANSOM | 10-68298 | |
27 | WASHER, CLAMP BRACKET BOLT | 12-68410 | |
28 | NUT, CLAMP BRACKET BOLT | 11-82670912 | |
29 | TILT STOP LEVER ASSEMBLY | 30126A1 | |
30 | SCREW, TILT STOP LEVER TO CLAMP BRACKET | 10-30128 | |
31 | WASHER, WAVE - TILT STOP LEVER SCREW | 13-31030 | |
32 | NUT, TILT STOP LEVER SCREW | 11-29250 | |
33 | PIN, LOWER EYE BOLT MOUNTING | 55-49577 | |
34 | WASHER, SWIVEL PIN | 12-37429 | |
35 | WASHER, SWIVEL PIN | 12-48926 | |
36 | YOKE, BOTTOM | 48884 | |
37 | NUT, SWIVEL PIN RETAINING | 11-37424 | |
38 | SCREW, YOKE TO DRIVE SHAFT HOUSING - LOWER (3-1/2") | 10-48924 | |
39 | WASHER, YOKE SCREW | 12-24501 | |
40 | NUT, YOKE SCREW | 11-35000 | |
41 | EYE BOLT ASSEMBLY | 49982A1 | |
42 | SCREW, NYLOK - LOWER EYE BOLT MOUNTING PIN | 10-28450 | |
43 | WASHER, LOWER BUSHING RETAINER | 12-8M0204648 | |
44 | BUSHING, RUBBER - EYE BOLT | 23-28198 | |
45 | NUT, EYE BOLT | 11-20739 | |
46 | WASHER, PLAIN - EYE BOLT | 12-52601 | |
47 | GASKET, EYE BOLT (3/16" NEOPRENE) | 27-49985 | |
48 | WASHER, CUPPED - EYE BOLT | 12-49983 | |
49 | GASKET, EYE BOLT (1/2" NEOPRENE) | 27-49984 | |
50 | NUT, EYE BOLT | 11-8M2014641 | 11-826713 23 |
51 | ROD, STEERING | 52131 | |
52 | SLEEVE, STEERING ROD | 23-52169 | |
53 | WASHER, STEERING ROD | 12-20086 | |
54 | NUT, STEERING ROD | 11-8M0204726 |
DRIVE SHAFT HOUSING ASSEMBLY
Back to TopBelow is the parts list for Mercury 1250BP DRIVE SHAFT HOUSING ASSEMBLY:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | DRIVE SHAFT HOUSING ASSEMBLY | 1568-3388A1 | |
2 | STUD, DRIVE SHAFT HOUSING TO SPACER (3-3/16") | 16-46911 | |
3 | STUD, DRIVE SHAFT HOUSING TO SPACER (3-1/16") | 16-27879 | |
4 | NUT, DRIVE SHAFT HOUSING STUD (7/16" STUD) | 11-8M0204653 | |
5 | NUT, DRIVE SHAFT HOUSING STUD (3/8" STUD) | 11-23161 | |
6 | PLATE, HEAT SHIELD | 52107 | |
7 | SHIFT DETENT ASSEMBLY | 48921A1 | |
8 | SCREW, SHIFT DETENT TO DRIVE SHAFT HOUSING (1-1/8") | 10-21091 | |
9 | NUT, SHIFT DETENT SCREW | 11-8267089 | |
10 | WASHER, POWERHEAD STUDS | 12-20086 | |
11 | NUT, POWERHEAD STUDS (3/8-24) | 11-8M0204726 | |
11 | NUT, POWERHEAD STUDS (3/8-24) | 11-23161 | |
12 | NUT, POWERHEAD STUDS (5/16-24) | 11-82670911 | |
13 | TUBE, WATER INLET | 32-48905 | |
14 | COVER, TRIM - DRIVE SHAFT HOUSING | 37417 | |
15 | SCREW, TRIM COVER TO BOTTOM COWL (1/2") | 10-37571 | |
16 | SEAL, TRIM COVER TO DRIVE SHAFT HOUSING | 37919 | |
17 | STRIP, RETAINING - TRIM COVER SEAL (SIDE) | 37665 | |
18 | SCREW, RETAINING STRIP TO DRIVE SHAFT HOUSING (5/8") | 10-48409 | |
19 | STRIP, RETAINING - TRIM COVER SEAL (REAR) | 38052 | |
20 | SCREW, RETAINING STRIP TO DRIVE SHAFT HOUSING (1/2") | 10-48408 |
GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1)
Back to TopBelow is the parts list for Mercury 1250BP GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 1):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | COUPLING ASSEMBLY, DRIVE SHAFT | 45-56345 | |
- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: RIGHT HAND ROTATION - MERC 1000BP - SEE NOTE BELOW | 1638-3389A7 | |
- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: LEFT HAND ROTATION - MERC 1000BP - SEE NOTE BELOW | 1638-3389A6 | |
- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: RIGHT HAND ROTATION - MERC 1250BP - SEE NOTE BELOW | 1638-3389A4 | |
- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: (LEFT HAND ROTATION - MERC 1250BP - SEE NOTE BELOW | 1638-3389A5 | |
2 | SPACER ASSEMBLY, COMPLETE | 53281A3 | |
3 | STUD, SPACER TO FACE PLATE (1-1/8") | 32-23365 | |
4 | OIL SEAL, SHIFT SHAFT - SPACER (1-9/16" O.D.) | 26-24590 | |
5 | OIL SEAL, SHIFT SHAFT - SPACER (1-3/4" O.D.) | 26-892361 | |
6 | WASHER, RUBBER - SHIFT SHAFT | 12-31266 | |
7 | PIN, DOWEL - SPACER TO WATER PUMP | 17-35973 | |
8 | STUD, SPACER TO WATER PUMP (2-7/16") | 16-30717 | |
9 | OIL SEAL, SPACER - LOWER | 26-89238 | |
10 | OIL SEAL, SPACER - UPPER | 26-16977 | |
11 | PLUG, PIPE - SPACER | 22-390721 | |
12 | STUD, SPACER TO GEAR HOUSING (2-1/16") | 16-8M0133358 | |
13 | SHIM ASSEMBLY, DRIVEN GEAR BEARING TO SPACER Comment: NOT USED ON LATER ENGINES | 15-26320A1 | |
14 | CAM, SHIFT Comment: NOT USED ON LATER ENGINES | 48907 | |
15 | SHIM ASSEMBLY, SHIFT CAM Comment: NOT USED ON LATER ENGINES | 15-48920A1 | |
16 | SPACER, DRIVEN GEAR Comment: PART OF A-53281A3 SPACER ASSEMBLY | 23-56358 | |
17 | WASHER, DRIVEN GEAR (#N.L.A.) Comment: PART OF A-53281A3 SPACER ASSEMBLY | ||
18 | SHIM ASSEMBLY, DRIVEN GEAR Comment: PART OF A-53281A3 SPACER ASSEMBLY | 15-26320A1 | |
19 | CAM, SHIFT Comment: PART OF A-53281A3 SPACER ASSEMBLY | 53276 | |
20 | SHIM ASSMEBLY, SHIFT CAM Comment: PART OF A-53281A3 SPACER ASSEMBLY | 15-53278A1 | |
21 | SPRING, SHIFT CAM Comment: PART OF A-53281A3 SPACER ASSEMBLY | 24-53277 | |
22 | COVER, SHIFT PIVOT Comment: PART OF A-53281A3 SPACER ASSEMBLY | 48909 | |
23 | SCREW, SHIFT FORK | 10-34298 | |
24 | NUT, SHIFT FORK SCREW | 11-826709109 | 11-33825, 11-35045 |
25 | SCREW, PIVOT COVER TO GEAR HOUSING | 10-53099 | |
26 | LOCKWASHER, SHIFT PIVOT COVER SCREW | 13-26992 | |
27 | SHIFT FORK, SLIDING CLUTCH | 48908 | |
28 | COLLAR, SHIFT - RATCHET | 48922 | |
29 | RATCHET, SLIDING CLUTCH | 52-48906 | |
30 | GEAR ASSEMBLY, DRIVE (1:1 GEAR RATIO) | 43-48896A1 | |
30 | GEAR ASSEMBLY, DRIVE (1.25:1 GEAR RATIO) | 43-48897A1 | |
30 | GEAR ASSEMBLY, DRIVE (1.5:1 GEAR RATIO) Comment: STANDARD ON MERC 1250BP | 43-48898A1 | |
30 | GEAR ASSEMBLY, DRIVE (1.75:1 GEAR RATIO) Comment: STANDARD ON MERC 1000BP | 43-48900A1 | |
30 | GEAR ASSEMBLY, DRIVE (2:1 GEAR RATIO) | 43-48895A1 | |
31 | ROLLER BEARING, DRIVE GEAR | 31-21700 | |
32 | BALL BEARING, DRIVE GEAR | 30-48916 | |
33 | SHIM ASSEMBLY, DRIVE GEAR BEARING TO SPACER | 15-34810A1 | |
34 | RETAINER, DRIVE SHAFT BEARING | 48919 | |
35 | SCREW, RETAINER TO SPACER (1-1/8") | 10-28667 | |
36 | LOCKWASHER, RETAINER SCREW | 13-21272 | |
37 | MAGNET, RETAINER SCREW | 52172 | |
38 | SPACER, DRIVEN GEAR | 23-48927 | |
39 | ROLLER BEARING ASSEMBLY, TAPERED - DRIVEN GEAR | 31-48941A1 | |
40 | BEARING, THRUST - DRIVE SHAFT | 31-48913 | |
41 | DRIVE SHAFT, INPUT | 45-48877 | |
42 | WASHER, THRUST - DRIVE SHAFT | 12-48912 | |
43 | SHIM ASSEMBLY, DRIVE GEAR BEARIING TO SPACER | 15-53325A1 | |
44 | "O" RING, ADAPTOR FLANGE | 41010 | |
45 | "O" RING, WATER INLET TUBE | 25-336 | |
46 | WASHER, GEAR HOUSING STUDS | 12-32618 | |
47 | NUT, GEAR HOUSING STUDS | 11-8M0204653 | |
48 | "O" RING, DRIVE SHAFT HOUSING STUDS | 25-23554 | |
49 | "O" RING, DRIVE SHAFT HOUSING STUDS | 25-38594 | |
50 | GASKET, SPACER TO FACE PLATE | 27-48892 | |
51 | PLATE, FACE - SPACER TO WATER PUMP | 48893 | |
52 | IMPELLER, WATER PUMP | 47-89984T4 | |
53 | PIN, IMPELLER DRIVING | 17-8M0214994 | |
54 | GASKET, FACE PLATE TO WATER PUMP | 27-48923 | |
55 | WATER PUMP ASSEMBLY | 46-48881A1 | |
56 | INSERT, WATER PUMP | 30915 | |
57 | OIL SEAL, WATER PUMP | 26-16977 | |
58 | SEAL, WATER PUMP INLET | 26-38970 | |
59 | SLEEVE, WATER TUBE GUIDE | 23-29804T | |
60 | NUT, WATER PUMP AND FACE PLATE STUDS | 1334-2031 | |
61 | SLINGER, WATER PUMP - DRIVE SHAFT | 25-8M0214918 | |
62 | "O" RING, DRIVE SHAFT - UPPER | 25-8M0214919 |
GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2)
Back to TopBelow is the parts list for Mercury 1250BP GEAR HOUSING ASSEMBLY, COMPLETE (PAGE 2):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
-- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: RIGHT HAND ROTATION - MERC 1000BP - SEE NOTE BELOW | 1638-3389A7 | |
-- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: LEFT HAND ROTATION - MERC 1000BP - SEE NOTE BELOW | 1638-3389A6 | |
-- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: RIGHT HAND ROTATION - MERC 1250BP - SEE NOTE BELOW | 1638-3389A4 | |
-- | GEAR HOUSING ASSEMBLY, COMPLETE Comment: LEFT HAND ROTATION - MERC 1250BP - SEE NOTE BELOW | 1638-3389A5 | |
63 | GEAR HOUSING ASSEMBLY | 1638-3389A1 | |
64 | PLUG, PIPE (1/4-18 THREAD) | 22-8M0180564 | |
65 | PLUG, PIPE (1/8-27 THREAD) | 22-390721 | |
66 | STUD, GEAR HOUSING TO SPACER (2-3/8") | 16-32129 | |
67 | STUD, GEAR HOUSING TO SPACER (3-3/4") | 16-49082 | |
68 | ROLLER BEARING, DRIVE SHAFT | 31-48937 | |
69 | ELBOW, OIL TUBE (45 DEGREES) | 22-49523 | |
70 | SCREW, VENT AND FILLING | 10-79953Q04 | |
71 | WASHER, SEALING - VENT AND FILLING SCREW | 12-191833 | |
72 | ROLLER BEARING, PROPELLER SHAFT | 31-30956T | |
73 | OIL SEAL, PROPELLER SHAFT | 26-55285 | |
74 | WASHER, SPLINED - PROPELLER NUT | 12-39701 | |
75 | WASHER, PLAIN - PROPELLER NUT | 12-39698 | |
76 | NUT, PROPELLER | 11-859126 | 11-49252 |
77 | PROPELLER SHAFT | 44-48882 | |
78 | WASHER, PROPELLER SHAFT | 12-48936 | |
79 | SHIM ASSEMBLY, PROPELLER SHAFT | 15-20929A1 | |
80 | ROLLER BEARING ASSEMBLY, TAPERED - REAR | 31-38146A1 | |
81 | GEAR, PROPELLER SHAFT - REAR (#) Comment: RIGHT HAND ROTATION | ||
82 | SPACER, PROPELLER SHAFT - LONG Comment: RIGHT HAND ROTATION | 23-48935 | |
83 | GEAR, DOUBLE BEVEL - PROPELLER SHAFT (#) Comment: RIGHT HAND ROTATION | ||
84 | SPACER, PROPELLER SHAFT - SHORT Comment: RIGHT HAND ROTATION | 23-48934 | |
85 | WASHER, PROPELLER SHAFT Comment: LEFT HAND ROTATION | 12-49808 | |
86 | SPACER, PROPELLER SHAFT - SHORT Comment: LEFT HAND ROTATION | 23-49809 | |
87 | GEAR, DOUBLE BEVEL - PROPELLER SHAFT (#) Comment: LEFT HAND ROTATION | ||
88 | SPACER, PROPELLER SHAFT - LONG Comment: LEFT HAND ROTATION | 23-48935 | |
89 | GEAR, PROPELLER SHAFT Comment: LEFT HAND ROTATION | 43-48949 | |
90 | ROLLER BEARING ASSEMBLY, TAPERED - PROPELLER SHAFT | 31-38135A1 | |
91 | WASHER, PROPELLER SHAFT | 12-48933 | |
92 | NUT, PROPELLER SHAFT | 24-59174 | |
93 | SPACER, BEARING RETAINER TO GEAR HOUSING | 23-48932 | |
94 | NUT, BEARING RETAINER | 11-48931 | |
95 | ANCHOR STUD, BEARING RETAINER | 48942 | |
96 | "O" RING, ANCHOR STUD | 25-8M0204651 | |
97 | WASHER, ANCHOR STUD | 12-48930 | |
98 | RING, SNAP - ANCHOR STUD TO GEAR HOUSING | 53-48928 | |
99 | COVER, GEAR HOUSING | 48929 | |
100 | PIN, NOSE CONE LOCATING | 17-30282 | |
101 | CONE, NOSE - GEAR HOUSING | 48904 | |
102 | SCREW, NOSE CONE TO GEAR HOUSING | 10-39703 | |
103 | WASHER, GEAR HOUSING STUDS | 12-32648 | |
104 | NUT, GEAR HOUSING STUDS | 11-8M0204653 | |
105 | "O" RING, GEAR HOUSING STUDS | 25-45719 | |
106 | "O" RING, SHIFT COVER | 25-8M0204645 | |
107 | PLATE ASSEMBLY, COVER | 49526A1 | |
108 | ELBOW, PLATE TO OIL TUBE (90 DEGREES) | 22-49521 | |
109 | TUBE, OIL - GEAR HOUSING TO COVER PLATE | 32-52170 | |
110 | SCREW, COVER PLATE TO GEAR HOUSING (1") | 10-49527 | |
111 | LOCKWASHER, COVER PLATE SCREW | 13-21272 | |
112 | WASHER, COVER PLATE SCREW | 12-39143 | |
113 | GEAR, PINION - DRIVE SHAFT (LOWER) (#) | ||
114 | NUT, LOCK - PINION GEAR TO DRIVE SHAFT* | 11-49253 | |
115 | DRIVE SHAFT, REAR | 45-48880 | |
116 | SHIM ASSEMBLY, REAR DRIVE SHAFT | 15-8M0063268 | |
117 | ROLLER BEARING ASSEMBLY, TAPERED - REAR DRIVE SHAFT | 31-48939A1 | |
118 | GEAR ASSEMBLY, DRIVE SHAFTS | 43-48887A1 | |
119 | DRIVE SHAFT, CENTER | 45-48879 | |
120 | SHIM ASSEMBLY, CENTER DRIVE SHAFT | 15-24542A1 | |
121 | BALL BEARING, CENTER DRIVE SHAFT | 30-53280 | |
122 | GEAR, DRIVE SHAFT (#) | ||
123 | WASHER, CENTER DRIVE SHAFT | 12-35981 | |
124 | NUT, GEAR TO CENTER DRIVE SHAFT | 11-8M0214915 | |
125 | DRIVE SHAFT, FRONT | 45-48878 | |
126 | SHIM ASSEMBLY, FRONT DRIVE SHAFT | 15-20929A1 | |
127 | BALL BEARING, FRONT DRIVE SHAFT | 30-53279 | |
128 | GEAR, DRIVE SHAFT (#) | ||
129 | NUT, GEAR TO FRONT DRIVE SHAFT | 11-30932 | |
130 | RETAINER, BEARING | 48891 | |
131 | SCREW, BEARING RETAINER TO GEAR HOUSE (3/4") | 10-53099 | |
132 | LOCKWASHER, BEARING RETAINER SCREW | 13-26992 |
MISCELLANEOUS PARTS/ACCESSORIES
Back to TopBelow is the parts list for Mercury 1250BP MISCELLANEOUS PARTS/ACCESSORIES:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | CONVERSION KIT (LONG SHAFT) | 1570-3745A2 | |
- | TACHOMETER ASSEMBLY | 53667A1 | |
- | REVERSE THROTTLE LIMIT KIT | 49248A1 |
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Mercury / Mercruiser / Mariner Parts from JLM Marine
- Mercury Thermostat
- Mercury Water Pump
- Mercury Water Pump Impeller
- Mercury Water Pump Impeller Kit
- Mercury Carburetor
- Mercury Carburetor Repair Kit
- Mercury Fuel Pump
- Mercury Fuel Pump Kit
- Mercury Air Filter
- Mercury Oil Filter
- Mercury Oil Seal
- Mercury Fuel Filter
- Mercury Gasket
- Mercury Relay
- Mercury Ignition Switch
- Mercury Trim Tilt Switch
- Mercury Ignition Sensor
- Mercury Spark Plug Wire
- Mercury Water Distribution Housing
- Mercury Bellow
- Mercury Bellows Kit
- Mercury Serpentine Pulley
- Mercury Accessories
- Mercury Belt
- Mercury Oil Plug
- Mercury Drain Plug
- Mercury Bellows Replacement Tool
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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.
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