Mercury 25 (4-STROKE) (0P153500 THRU 0P388282) Outboard Motor Parts Diagram & Catalog – Free PDF Download
Accessories
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Accessories:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | SENDER KIT, Oil Pressure | 8M0068785 | 828019A 1 |
- | SENDER KIT, Power Trim | 822573A12 | 822573A11 |
- | POWER TRIM KIT | 822344A13 | 822344A 8 |
- | KEY SWITCH KIT, Remote Ignition Comment: (8 Pin Connector) | 15000A7 | |
- | KEY SWITCH KIT, Remote Ignition Comment: (14 Pin Connector) | 15000A14 | |
- | ATTACHING KIT, REMOTE CONTROL | 859186A1 | |
- | MANUAL TILT ASSIST KIT | 828533A2 | |
- | BRACKET ASSEMBLY, Steering Comment: (W/O CARRYING HANDLE) | 816667A2 | |
- | TILLER HANDLE KIT | 821455A26 | 821455A10 |
- | 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 |
- | HOSE ASSEMBLY, Fuel (8 Feet) Comment: (ORIGINAL EQUIPMENT) | 32-877680Q8 | |
- | PROPELLER | 48-85632A45 | |
- | TANK ASSEMBLY, Fuel | 1265-859065A3 | |
- | TANK ASSEMBLY, Fuel Comment: (BODENSEE) | 1265-859651A1 | |
- | EXTENSION KIT, (2.50 Inches - 64 mm) | 824072A7 | |
- | DRIVESHAFT ASSEMBLY | 45-859483A1 |
Adaptor Plate
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Adaptor Plate:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | ADAPTOR PLATE ASSEMBLY | 825228A17 | 825228T 9 |
2 | PLUG | 19-822464 | |
3 | PLUG | 19-48323 | |
4 | PIN, Dowel | 17-23784 | |
5 | DIPSTICK TUBE Comment: SN# USA-0T979999/BEL-0P325499 & Below | 825989003 | 825989 2 SN# USA-0T979999/BEL-0P325499 & Below |
5 | DIPSTICK TUBE Comment: SN# USA-0T980000/BEL-0P325500 & Up | 825989003 | 825989 2 SN# USA-0T980000/BEL-0P325500 & Up |
6 | SEAL, Oil | 26-828932 | 26-821756 |
7 | BUSHING | 23-856743 | |
8 | DIPSTICK | 8M0162935 | |
9 | SEAL | 8560552 | |
10 | FITTING, Elbow - 90 Degree (.125-27) | 22-629101 | |
11 | 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 |
12 | PLUG, (.500-14) | 22-889567 | |
13 | GROMMET Comment: SN# USA-0T979999/BEL-0P325499 & Below | 25-822408001 | 25-822408 SN# USA-0T979999/BEL-0P325499 & Below |
13 | GROMMET Comment: SN# USA-0T980000/BEL-0P325500 & Up | 25-822408001 | 25-822408 SN# USA-0T980000/BEL-0P325500 & Up |
14 | GASKET Comment: SN# USA-0T979999/BEL-0P325499 & Below | 27-8M0213113 | |
14 | GASKET Comment: SN# USA-0T980000/BEL-0P325500 & Up | 27-8M0213113 | |
15 | O-RING | 25-845746 | |
16 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
17 | BODY, Oil Pressure Relief Comment: (DESIGN II) | 8M0210772 | |
18 | PLATE, Oil Pickup-Top | 893765 | 854789 |
19 | HOSE, Oil Pickup | 32-854793 | |
20 | BAFFLE | 893700 | 854791 1 |
21 | CLAMP | 54-855228 | 54-888988014 |
22 | SCREW, (M6 x 55) | 10-4007455 | |
23 | GROMMET Comment: (NON-POWER TRIM) | 25-8M0179867 | |
23 | GROMMET Comment: (SPLIT-POWER TRIM) SN# USA-0T979999/BEL-0P325499 & Below | 25-19565002 | |
23 | GROMMET Comment: (SPLIT-POWER TRIM) SN# USA-0T980000/BEL-0P325500 & Up | 25-19565002 | |
24 | HEAT SHIELD | 8289151 | |
25 | DEFLECTOR, Oil Comment: (DESIGN I) | 856592 | |
26 | BODY ASSEMBLY, Oil Pressure Relief Comment: (DESIGN I) | 8M0210772 | |
27 | COTTER PIN Comment: (DESIGN I) | 18-45882 | |
28 | PLUNGER Comment: (DESIGN I) | 8252151 | |
29 | SPRING Comment: (DESIGN I) | 24-825216 |
Bottom Cowl
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Bottom Cowl:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | BOTTOM COWL Comment: (Short-Port) | 4020-852554T1 | |
1 | BOTTOM COWL Comment: (Long-Port) | 4020-826277T1 | |
2 | BOTTOM COWL Comment: (Short-Starboard) | 4020-852555T5 | |
2 | BOTTOM COWL Comment: (Long Starboard) | 4020-826278T7 | |
3 | SCREW, (M6 x 30) | 10-82684430 | |
4 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
5 | SEAL Comment: SN# USA-0T979999/BEL-0P325499 & Below | 825238002 | 825238 1 SN# USA-0T979999/BEL-0P325499 & Below |
5 | SEAL Comment: SN# USA-0T980000/BEL-0P325500 & Up | 825238002 | 825238 1 SN# USA-0T980000/BEL-0P325500 & Up |
6 | WASHER | 12-855576 | |
7 | GASKET | 27-855627 | |
8 | SCREW, (M6 x 60) | 10-82684460 | |
9 | FITTING, Telltale | 22-827948 | |
10 | BOOT Comment: SN# USA-0T979999/BEL-0P325499 & Below | 826273001 | 826273 SN# USA-0T979999/BEL-0P325499 & Below |
10 | BOOT Comment: SN# USA-0T980000/BEL-0P325500 & Up | 826273001 | 826273 SN# USA-0T980000/BEL-0P325500 & Up |
11 | 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 |
12 | LEVER, Cowl Latch | 825782F1 | |
13 | BUSHING | 23-812707 | 23-71984, 23-F286818, 23-F286828, F480818 |
14 | WASHER, Wave | 13-12134 | |
15 | LATCH HOOK | 893766 | 825783 |
16 | SCREW, (M6 x 16) | 10-1993716 | |
17 | RETAINER Comment: (NON POWER TRIM) | 8M0032848 | 812443 1 (NON POWER TRIM) |
18 | PLUG, Trim Switch Comment: (NON POWER TRIM) | 812830T01 | 812830 1 (NON POWER TRIM) |
19 | SWITCH, Trim (Power Trim) Comment: SN# 1B226999 & Below | 87-8M0235191 | |
19 | SWITCH, Trim (Power Trim) Comment: SN# 0P400999 & Below | 87-8M0235191 | |
19 | SWITCH, Trim (Power Trim) Comment: SN# 1B227000 & Up | 87-8M0235191 | |
19 | SWITCH, Trim (Power Trim) Comment: SN# 0P401000 & Up | 87-8M0235191 | |
20 | DECAL, California Ultra Low Emissions | 37-88343312 |
Camshaft/Oil Pump
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Camshaft/Oil Pump:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | SCREW, (M10 x 40) | 10-82761140 | |
2 | WASHER | 12-4002319 | |
3 | BELT | 8M0151040 | |
4 | GEAR, Driven | 8331043 | |
5 | PIN, Dowel | 17-825956 | |
6 | CAMSHAFT Comment: (ELECTRIC) | 2419-830275T1 | |
6 | CAMSHAFT Comment: (MANUAL) | 406-853894A2 | |
7 | PIN | 17-826149 | 17-893566 |
8 | PUMP ASSEMBLY, Oil | 852388T1 | |
9 | O-RING | 25-826152 | |
10 | O-RING | 25-826154 | |
11 | O-RING | 25-826153 | |
12 | SCREW, (M6 x 35) | 10-8M0205943 | |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
- | CYLINDER HEAD Comment: (ELECTRIC) | 830271T3 | |
- | CYLINDER HEAD Comment: (MANUAL) | 830271T4 |
Carburetor
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Carburetor:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CARBURETOR Comment: SN# USA-0T756310 & Below | 3329-883314T03 | 3329-830276T 7, 3329-883314T 1 SN# USA-0T756310 & Below |
1 | CARBURETOR Comment: SN# 0P256333 & Below | 3329-883314T03 | 3329-830276T 7, 3329-883314T 1 SN# 0P256333 & Below |
1 | CARBURETOR Comment: SN# USA-0T756311 & Up | 3329-883314T03 | 3329-830276T 7, 3329-883314T 1 SN# USA-0T756311 & Up |
1 | CARBURETOR Comment: SN# 0P256334 & Up | 3329-883314T03 | 3329-830276T 7, 3329-883314T 1 SN# 0P256334 & Up |
1 | CARBURETOR Comment: (BODENSEE) | 3329-830276A18 | |
2 | SCREW | 10-854246 | |
3 | PLATE | 854245 | |
4 | GASKET | 27-8542572 | |
5 | ENRICHENER | 854254T2 | |
5 | ENRICHENER Comment: (BODENSEE) | 854254T | 803918T, 854254 (BODENSEE) |
6 | NOT SOLD SEPARATE, O Ring | NSS | |
7 | PLATE | 854255 | |
8 | SCREW | 10-803913 | |
8 | SCREW Comment: (BODENSEE) | 10-8542461 | |
9 | SPRING | 24-854249 | |
10 | JET, Pilot (SJ) | 50,855406 | |
11 | PLUG, Rubber Comment: (BODENSEE) | 19-854248 | |
12 | JET, Main (MJ) Comment: | 110,8554061,110,110 | |
12 | JET, Main (MJ) Comment: (BODENSEE) | 105,8554063,105,105 | |
13 | VALVE, Float | 854247 | |
14 | FLOAT | 8542531 | |
14 | FLOAT Comment: (BODENSEE) | 854253 | |
15 | PIN, Float | 17-8542581 | |
16 | GASKET | 27-8542573 | |
17 | FLOAT BOWL | 8542521 | |
17 | FLOAT BOWL Comment: (BODENSEE) | 854252 | |
18 | SCREW | 10-8542463 | |
19 | SCREW, Drain | 10-8542464 | |
19 | SCREW, Drain Comment: (BODENSEE) | 10-8542462 | |
20 | WASHER | 12-8542591 | |
21 | SPRING | 24-880847 | |
22 | PLUNGER | 8542511 | |
22 | PLUNGER Comment: (BODENSEE) | 854251 | |
23 | NOT SOLD SEPARATE, Cap-Rubber | NSS | |
24 | COLLAR | 23-854244 | |
25 | MAIN NOZZLE | 8542502 | |
25 | MAIN NOZZLE (#854250 1) Comment: (BODENSEE) | ||
26 | JET (PO) Comment: (BODENSEE) | 8554064 | |
27 | NOT SOLD SEPARATE, O Ring Comment: BODENSEE | NSS | |
28 | SCREW | 10-880845 | |
29 | SCREW | 10-880848 | |
30 | SCREW, Adjusting | 10-880841 | |
31 | O-RING | 25-880842 | |
32 | SPRING | 24-880815 | |
33 | HOSE, Carburetor Vent Comment: SN# USA-0T756310 & Below | 32-8752482 | |
33 | HOSE, Carburetor Vent Comment: SN# 0P256333 & Below | 32-8752482 | |
33 | HOSE, Carburetor Vent Comment: SN# USA-0T756311 & Up | 32-875248003 | |
33 | HOSE, Carburetor Vent Comment: SN# 0P256334 & Up | 32-875248003 | |
34 | TIE STRAP, (5.50 Inches) | 8M0214940 | |
35 | TUBING, (17.00 Inches Bulk) (Cut to 3-1/2 Inches) Comment: SN# USA-0T756310 & Below | 32-85682239 | |
35 | TUBING, (17.00 Inches Bulk) Comment: SN# 0P256333 & Below | 32-85682239 | |
36 | TIE STRAP, (8.00 Inches) Comment: SN# USA-0T756310 & Below | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 SN# USA-0T756310 & Below |
36 | TIE STRAP, (8.00 Inches) Comment: SN# 0P256333 & Below | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 SN# 0P256333 & Below |
37 | CONNECTOR Comment: SN# USA-0T756310 & Below | 22-822769 | |
37 | CONNECTOR Comment: SN# 0P256333 & Below | 22-822769 | |
- | REPAIR KIT, Carburetor | 8542561 | |
- | REPAIR KIT, Carburetor Comment: (Bodensee) | 854256 |
Clamp Bracket
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Clamp Bracket:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CLAMP BRACKET (Port) | 3411-821773T1 | |
2 | CLAMP BRACKET (Starboard) | 3412-821774T8 | |
3 | THUMB SCREW ASSEMBLY Comment: (MANUAL) | 10-818883A1 | |
4 | NOT SOLD SEPARATE, Handle Comment: MANUAL | NSS | |
5 | NOT SOLD SEPARATE, Rivet Comment: MANUAL | NSS | |
6 | WASHER Comment: (MANUAL) | 12-818884 | |
7 | SHOULDER SCREW, Hex Comment: (MANUAL) | 10-768042 | |
8 | CAP | 8224011 | |
9 | PIN | 17-25810 | |
10 | BEARING | 23-86637 | |
11 | PIN | 17-8224002 | |
12 | ANODE | 97-8252711 | |
13 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
14 | SCREW, (M6 x 25) | 10-8M0204707 | |
15 | NUT, (.500-20) | 11-82671117 | |
16 | WASHER, (1.5 x 3.05 x 0.13) Stainless Steel | 12-8M0204648 | |
17 | SCREW, (.500-20 x 4.00) | 10-814259 | |
18 | DECAL, Tilt Lock | 37-830253 | 37-814743 3, 37-826546 |
19 | TRIM, HYDRAULIC ASSIST Comment: (GAS ASSIST TRIM) | 828533T1 | |
20 | CABLE ASSEMBLY Comment: (GAS ASSIST TRIM) | 88238A11 | |
21 | LEVER, Tilt Comment: (GAS ASSIST TRIM) | 828924 | |
22 | TILT KNOB Comment: (GAS ASSIST TRIM) | 8M0007469 | 19621 (GAS ASSIST TRIM) |
23 | ARM, Lever Comment: (GAS ASSIST TRIM) | 828930 | |
24 | WAVE WASHER Comment: (GAS ASSIST TRIM) | 13-31030 | |
25 | PIN, (.125 x 0.75 Inches) Comment: (GAS ASSIST TRIM) | 17-25319 | |
26 | LINK Comment: (GAS ASSIST TRIM) | 8289961 | |
27 | NUT, Stainless Steel Comment: GAS ASSIST TRIM | 10-32,11-8M0204718 | |
28 | PIN, Anchor (14 mm) Comment: (GAS ASSIST & POWER TRIM) SN# USA-0T979999/BEL-0P325499 & Below | 17-822481001 | 17-822481 (GAS ASSIST & POWER TRIM) SN# USA-0T979999/BEL-0P325499 & Below |
28 | PIN, (14 mm) Comment: (GAS ASSIST & POWER TRIM) SN# USA-0T980000/BEL-0P325500 & Up | 17-822481001 | 17-822481 (GAS ASSIST & POWER TRIM) SN# USA-0T980000/BEL-0P325500 & Up |
29 | BUSHING Comment: (GAS ASSIST & POWER TRIM) | 23-822482 | |
30 | BUSHING Comment: (GAS ASSIST & POWER TRIM) | 23-822484 | |
31 | WASHER Comment: (GAS ASSIST & POWER TRIM) | 12-825190 | |
32 | NUT Comment: (GAS ASSIST & POWER TRIM) | 11-826712 | 11-40134 14 (GAS ASSIST & POWER TRIM) |
33 | SCREW, (M10 x 40) Stainless Steel Comment: (GAS ASSIST & POWER TRIM) | 10-4009040 | |
34 | WASHER Comment: (GAS ASSIST & POWER TRIM) | 12-4002319 | |
35 | NUT, (M10) Comment: (GAS ASSIST & POWER TRIM) | 11-40140 | |
36 | PIN Comment: (HANDLE-NON POWER TRIM) | 17-853923A1 | |
37 | SPRING Comment: (HANDLE-NON POWER TRIM) | 24-821461 | |
38 | NOT SOLD SEPARATE, Decal-Warning | NSS |
Clamp Bracket(Remote Control)
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Clamp Bracket(Remote Control):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CLAMP BRACKET Comment: (PORT) | 3411-821773T1 | |
2 | CLAMP BRACKET Comment: (STARBOARD) | 3412-821774T8 | |
3 | CAP | 8224011 | |
4 | PIN | 17-25810 | |
5 | BEARING | 23-86637 | |
6 | PIN | 17-8224002 | |
7 | NOT SOLD SEPARATE, Decal-Shallow Water | NSS | |
8 | DECAL, Tilt Lock | 37-830253 | 37-814743 3, 37-826546 |
9 | NUT, (M10) | 11-40140 | |
10 | WASHER | 12-4002319 | |
11 | ANODE | 97-8252711 | |
12 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
13 | SCREW, (M6 x 25) | 10-8M0204707 | |
14 | STUD, (M10 x 277) | 16-8M0034459 | 16-823656 |
15 | SPACER | 23-824952 | |
16 | NUT, (.500-20) | 11-82671117 | |
17 | WASHER, (1.5 x 3.05 x 0.13) Stainless Steel | 12-8M0204648 | |
18 | SCREW, (.500-20 x 4.00) | 10-814259 | |
19 | NUT, (M10) | 11-40140 | |
20 | WASHER | 12-4002319 | |
21 | PIN ASSEMBLY, Tilt Lock | 17-8M0026103 | 17-821457A 1 |
22 | SPRING | 24-821461 | |
23 | LEVER | 822409 | |
24 | PIN, (.125 x 0.75 Inches) | 17-25319 | |
25 | BUSHING (PLASTIC) | 23-824858 | |
26 | ROD, Plastic | 878580 | 822414 1 |
27 | BUSHING (PLASTIC) | 23-824858 | |
28 | BUSHING | 23-823812 | |
29 | ARM | 822411 | |
30 | LINK ROD Comment: SN# USA-0T459022 & Below | 878563 | 822412 2 SN# USA-0T459022 & Below |
30 | LINK ROD Comment: SN# USA-0T459023 & Up | 878563 | 822412 2 SN# USA-0T459023 & Up |
30 | LINK ROD Comment: SN# Belgium-0P268000 & Up | 878563 | 822412 2 SN# Belgium-0P268000 & Up |
31 | SPRING | 24-832085A1 |
Crankshaft
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Crankshaft:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CRANKSHAFT | 2400-8M0084517 | |
2 | KEY | 28-893761 | |
3 | KEY, Woodruff | 28-91800 | |
4 | SEAL | 8M0151047 | |
5 | SEAL | 8M0151048 | |
6 | CONNECTING ROD Comment: SN# USA-0T800999/BEL-0P267999 & Below | 600-893530T01 | 662-856065T 1 SN# USA-0T800999/BEL-0P267999 & Below |
6 | CONNECTING ROD Comment: SN# USA-0T801000/BEL-0P268000 & Up | 600-893530T01 | 662-856065T 1 SN# USA-0T801000/BEL-0P268000 & Up |
7 | BOLT | 10-8M0049884 | |
8 | BEARING, Brown | 23-893630 | 23-825021 |
8 | BEARING, Black | 23-893630001 | 23-825021 1 |
8 | BEARING, Blue | 23-893630002 | 23-825021 2 |
9 | PISTON ASSEMBLY Comment: (Standard) | 700-893524T08 | 700-893524T07, 713-856064A 1 (Standard) |
9 | PISTON Comment: (.25 Oversize)(Piston Only) | 700-893524T01 | 713-856064 2 (.25 Oversize)(Piston Only) |
9 | PISTON Comment: (.50 Oversize)(Piston Only) | 700-893524T02 | 713-856064 3 (.50 Oversize)(Piston Only) |
10 | RING SET, Piston (TOP) Comment: (Standard) | 39-893525A01 | 39-833099A 1 (Standard) |
10 | RING, Piston (TOP) Comment: (.25MM Oversize) | 39-893525A02 | 39-833100T 2 (.25MM Oversize) |
10 | RING, Piston (TOP) Comment: (.50MM Oversize) | 39-893525A03 | 39-833100T 3 (.50MM Oversize) |
11 | NOT SOLD SEPARATE, Piston Ring (2nd) Comment: (Standard) | NSS | |
11 | NOT SOLD SEPARATE, Piston Ring (2nd) Comment: (Oversize) | NSS | |
12 | RING, Oil, Piston Oil Ring Comment: (Standard) | 39-893950 | 39-893527, 39-833101 1 (Standard) |
12 | NOT SOLD SEPARATE, Piston Oil Ring Comment: (Oversize) | NSS | |
13 | PIN, Piston | 41-893863 | 41-825016 |
14 | RETAINER | 40-825017 | 40-825017F |
15 | BALANCE ROD | 652-831876A1 | |
16 | PISTON | 701-831875T2 | |
17 | NUT | 11-893789 | 11-81773M |
- | POWERHEAD ASSEMBLY | 61-854236T00 | 61-854236T98, 61-854236A98 |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
Cylinder Block
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Cylinder Block:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | CYLINDER BLOCK | 2806-830267T3 | |
2 | PIN, Dowel | 17-825010 | |
3 | PLUG | 22-479452 | |
4 | PLUG, Pipe (.500-14) | 22-384073 | |
5 | PLUG, Pipe (.750-14) | 22-416223 | |
6 | BEARING, Brown | 23-893631 | 23-825024 |
6 | BEARING, Black | 23-893631001 | 23-825024 1 |
6 | BEARING, Blue | 23-893631002 | 23-825024 2 |
7 | NIPPLE, (M20) | 822625 | |
8 | SCREW, (M8 x 82) | 10-82506182 | |
9 | SCREW, (M6 x 35) | 10-8M0205943 | |
10 | GASKET | 27-8M0069692 | 27-825231 2 |
11 | FILTER, Oil Comment: (MERCURY) SN# USA-0T800999/BEL-0P267999 & Below | 35-8M0162829 | |
11 | FILTER, Oil Comment: MERCURY SN# USA-0T801000/BEL-0P268000 & Up | 35-8M0162829 | |
11 | FILTER, Oil Comment: (QUICKSILVER) SN# USA-0T800999/BEL-0P267999 & Below | 35-8M0162830 | |
11 | FILTER, Oil Comment: QUICKSILVER SN# USA-0T801000/BEL-0P268000 & Up | 35-8M0162830 | |
12 | GASKET | 27-830298 | |
13 | COVER, Exhaust | 883336T1 | |
14 | THERMOSTAT Comment: SN# USA-0T979999/BEL-0P325499 & Below | 855676003 | 825212001, 825212, 855676 SN# USA-0T979999/BEL-0P325499 & Below |
14 | THERMOSTAT Comment: SN# USA-0T980000/BEL-0P325500 & Up | 855676003 | 825212001, 825212, 855676 SN# USA-0T980000/BEL-0P325500 & Up |
15 | GASKET | 27-8M0177107 | |
16 | COVER Comment: SN# USA-0T800999/BEL-0P267999 & Below | 8M0188835 | |
16 | COVER Comment: SN# USA-0T801000/BEL-0P268000 & Up | 8M0188835 | |
17 | SCREW, (M6 x 35) | 10-8M0205943 | |
18 | FITTING, Elbow 90 Degree (.125-27 x .250) Nylon | 22-996642 | |
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 | LIFTING EYE | 893697 | 852560 1 |
21 | SCREW, (M8 x 35) | 10-857139 | |
22 | FILTER, Breather | 35-8548091 | |
23 | GASKET | 27-8547801 | |
24 | BREATHER COVER | 832734A2 | |
25 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
26 | HOSE, To Fitting in Adaptor Plate | 32-77653A6 | |
27 | J CLIP | 54-8M0024808 | |
28 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
29 | O-RING | 25-854722 | |
30 | COVER | 8556692 | |
- | POWERHEAD ASSEMBLY | 61-854236T00 | 61-854236T98, 61-854236A98 |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
Cylinder Head
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Cylinder Head:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | CYLINDER HEAD Comment: (ELECTRIC) | 830271T3 | |
- | CYLINDER HEAD Comment: (MANUAL) | 830271T4 | |
1 | CYLINDER HEAD | 830271T2 | |
2 | GUIDE Comment: SN# USA-0T979999/BEL-0P325499 & Below | 8M0054272 | 825037001, 825037 SN# USA-0T979999/BEL-0P325499 & Below |
2 | GUIDE Comment: SN# USA-0T980000/BEL-0P325500 & Up | 8M0054272 | 825037001, 825037 SN# USA-0T980000/BEL-0P325500 & Up |
3 | CIRCLIP | 53-825038 | 825722 |
4 | ANODE | 826887M | |
5 | GROMMET | 25-825040 | |
6 | COVER | 826888M | |
7 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
8 | BOLT | 10-827607 | |
9 | GASKET | 27-827610 | |
10 | SEAL, Oil | 26-825048 | |
11 | O-RING | 25-833103 | |
12 | COVER | 830272A1 | |
13 | NOT SOLD SEPARATE, Decal-Servicing Referral | NSS | |
14 | NOT SOLD SEPARATE, Decal-Engine Oil/Valve Clearance | NSS | |
15 | GASKET | 27-8M0049885 | 27-830270 |
16 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
17 | SCREW, (M6 x 25) | 10-893745025 | |
18 | SCREW, (M9 x 95) | 10-82503395 | |
19 | PIN, Dowel | 17-825010 | |
20 | PLUG ASSEMBLY, Oil | 859578A1 | |
21 | NOT SOLD SEPARATE, O Ring | NSS | |
- | POWERHEAD ASSEMBLY | 61-854236T00 | 61-854236T98, 61-854236A98 |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
Driveshaft Housing
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Driveshaft Housing:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | SEAL, Water Tube Comment: SN# USA-0T800999/BEL-0P267999 & Below | 42941001 | |
1 | SEAL, Water Tube Comment: SN# USA-0T801000/BEL-0P268000 & Up | 42941001 | |
2 | HOUSING, Driveshaft Comment: (Short) | 1501-850168T5 | |
2 | HOUSING ASSEMBLY, Driveshaft Comment: (Long) | 3532-825218T7 | |
3 | NOT SOLD SEPARATE, Exhaust Pipe Comment: (Short) | NSS | |
3 | PIPE, Exhaust Comment: (Long) | 825220T06 | |
4 | SCREW, (M8 x 110) Stainless Steel | 10-824459110 | |
5 | SCREW, (M8 x 45) | 10-88960845 | |
6 | PLUG, Drain | 8288181 | |
7 | GASKET | 27-8M0204692 | |
8 | BUMPER | 826276 | |
9 | GROMMET Comment: (Long) SN# USA-0T800999/BEL-0P267999 & Below | 8M0151042 | |
9 | GROMMET Comment: (Long) SN# USA-0T801000/BEL-0P268000 & Up | 8M0151042 | |
10 | STUD, (M10 x 50) | 16-823984 | |
11 | WASHER, (.406 x .750 x .105) Stainless Steel | 12-8M0214963 | |
12 | NUT, (M10) | 11-40140 | |
13 | TUBE, Water Comment: (Short) SN# 1B145486 & Below | 32-897970A01 | 32-850169002, 32-850169 (Short) SN# 1B145486 & Below |
13 | TUBE, Water Comment: (Short) SN# 1B145487 & Up | 32-897970A01 | 32-850169002, 32-850169 (Short) SN# 1B145487 & Up |
13 | TUBE, Water Comment: (Long) SN# 1B145486 & Below | 32-897971A01 | 32-888591001, 32-888591, 32-825250 1 (Long) SN# 1B145486 & Below |
13 | TUBE, Water Comment: (Long) SN# 1B145487 & Up | 32-897971A01 | 32-888591001, 32-888591, 32-825250 1 (Long) SN# 1B145487 & Up |
14 | GUIDE | 54-828529 | |
15 | BUMPER (Long) | 8M0043364 | 828706 |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
Electrical Components
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Electrical Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | SOLENOID ASSEMBLY (Electric) | 89-8M0185146 | |
2 | BUSHING (Electric) | 23-8M0214955 | |
3 | GROMMET (Electric) | 25-818967 | |
4 | NUT, Brass (Electric) | 8-32,11-26419 | |
5 | NUT, (.250-20) Brass (Electric) | 11-94330 | |
6 | CABLE ASSEMBLY, Battery - Positive (Electric) | 84-88439A9 | |
7 | BOOT, Insulator - Red (Electric) | 85-880786 | |
8 | CABLE ASSEMBLY, (8.50 Inches) (Electric) | 84-93388A16 | |
9 | CABLE ASSEMBLY, Battery - Negative (Electric) | 84-88439A4 | |
10 | STARTER MOTOR ASSEMBLY (Electric) Comment: SN# USA-0T800999/BEL-0P267999 & Below | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 SN# USA-0T800999/BEL-0P267999 & Below |
10 | STARTER MOTOR ASSEMBLY (Electric) Comment: SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999/BEL-0P400999 | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999/BEL-0P400999 |
10 | STARTER MOTOR ASSEMBLY (Electric) Comment: SN# USA-1B227000 & Up | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 SN# USA-1B227000 & Up |
11 | SCREW, (M8 x 45) Stainless Steel Comment: (Electric) | 10-40011153 | |
11 | SCREW, (M8 x 25) Stainless Steel Comment: (Manual) | 10-40011149 | |
12 | SCREW, (M6 x 30) Comment: (Electric) | 10-82684430 | |
12 | SCREW, (M6 x 16) Comment: (Manual) | 10-8248324 | |
13 | PLUG, Male (Non Power Trim) | 13541 | |
14 | J CLIP (Manual) | 54-8M0024808 | |
15 | PRESSURE SWITCH | 87-8M0098207 | 87-8M0070107, 87-828040 1 |
16 | SENSOR | 8M0082988 | 8M0030022, 828358 2 |
17 | SCREW, (M5 x 16) Stainless Steel | 10-40011107 | |
18 | BRACKET (Electric) | 856040 | |
19 | RETAINER (Electric) Comment: SN# USA-0T979999/BEL-0P325499 & Below | 856836001 | 856836, 856039 SN# USA-0T979999/BEL-0P325499 & Below |
19 | RETAINER (Electric) Comment: SN# USA-0T980000/BEL-0P325500 & Up | 856836001 | 856836, 856039 SN# USA-0T980000/BEL-0P325500 & Up |
20 | RETAINER (Electric) | 92753 | |
21 | SCREW, (M6 x 25 MM) | 10-82129125 | |
22 | WASHER | 12-8M0214930 | |
23 | PLATE | 856837 | |
24 | BUSHING | 23-826618 | |
25 | GROMMET | 25-8M0190980 | |
26 | ECM, Engine Control Module | 87843301S | 878433A 1 |
27 | DECAL, Caution-Start in Gear | 37-881865 | 37-825064 |
28 | BUSHING | 23-8539201 | |
29 | SCREW, (M6 x 40) | 10-82129140 | |
30 | SPARK PLUG, NGK-DPR6EA-9 | 33-827858Q | 33-827858 |
31 | TIE STRAP, (8.00 Inches) | 54-816311T | 54-816311, 54-90077, 54-826785, F1877, F717046-1, F717046, MAF03001, 833188E, 54-F9301, 54-816311100, 54-898101111, 54-898101275 |
32 | COIL ASSEMBLY, Ignition | 339-859738T1 | |
33 | SCREW, (M6 x 30) | 10-82684430 | |
34 | HARNESS ASSEMBLY, Engine Wiring (Manual) | 84-859201T1 | |
35 | HARNESS ASSEMBLY, Engine Wiring (Electric) | 84-859202T2 | |
36 | FUSE, Yellow - 20 Ampere (Electric) | 88-812619 | 88-860608 |
37 | COVER, Fuse (Electric) | 828054 | |
38 | SCREW, (M6 x 10) (Electric) | 10-82129110 | |
39 | HARNESS ASSEMBLY, Extension (Electric Handle) | 84-852375A6 | |
40 | REGULATOR, Voltage (Electric) | 883071T1 | |
41 | FOAM PAD (Electric) | 8308971 | |
42 | BRACKET (Electric) | 893771 | 858413 |
43 | SCREW, (M6 x 40) (Electric) | 10-8248329 | |
44 | SENSOR ASSEMBLY, Temperature Comment: SN# USA-0T979999/BEL-0P325499 & Below | 8M0214984 | |
44 | SENSOR ASSEMBLY Comment: SN# USA-0T980000/BEL-0P325500 & Up | 8M0214984 | |
45 | O-RING, (.301 x .070) | 25-627021 | |
- | HARNESS ASSEMBLY, Adaptor (8 to 14 Pin) | 84-896539T50 | |
- | CLAMP, 14 Pin Connector to Flywheel Cover | 54-633001 | |
- | POWERHEAD ASSEMBLY | 61-854236T00 | 61-854236T98, 61-854236A98 |
Flywheel
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Flywheel:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | FLYWHEEL COVER Comment: (ELECTRIC) | 859284T2 | |
2 | SCREW, (M6 x 25 MM) Comment: (ELECTRIC) | 10-8248326 | |
3 | FLYWHEEL Comment: (ELECTRIC) | 284-832010T32 | 284-832010T31, 284-832010T26, 284-832010T14, 284-832010A 8 (ELECTRIC) |
4 | FLYWHEEL Comment: (MANUAL) | 284-832010T27 | 284-832010T16, 284-832010A 4 (MANUAL) |
5 | NOT SOLD SEPARATE, Decal-Warning-Spinning Flywheel | NSS | |
6 | NOT SOLD SEPARATE, Decal-Timing Marks | NSS | |
7 | NOT SOLD SEPARATE, Decal-Warning-Neutral | NSS | |
8 | NUT | 11-893789 | 11-81773M |
9 | WASHER | 12-893762 | 12-84436M |
10 | SCREW, (M5 x 25) | 10-4007325 | |
10 | SCREW, (M5 x 30) | 10-4013930 | |
11 | STATOR Comment: (MANUAL) | 398-852386T6 | |
11 | STATOR Comment: (ELECTRIC) | 398-852387T7 | |
12 | LOAD RING | 834838 | |
13 | GEAR, Drive | 833102T | 833102 |
- | POWERHEAD ASSEMBLY | 61-854236T00 | 61-854236T98, 61-854236A98 |
Fuel Pump
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Fuel Pump:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | PUMP, Fuel Comment: SN# USA-0T939654/BEL-0P301503 & Below | 8M0141844 | |
1 | PUMP, Fuel Comment: SN# USA-0T939655/BEL-0P301504 & Up | 8M0141844 | |
2 | SCREW | 10-883517 | |
3 | DIAPHRAGM KIT | 883520A1 | |
4 | SPRING | 24-8835181 | |
5 | NUT | 11-883519 | |
6 | SPRING Comment: SN# USA-0T939654/BEL-0P301503 & Below | 24-883518A03 | 24-883518A 2 SN# USA-0T939654/BEL-0P301503 & Below |
6 | SPRING Comment: SN# USA-0T939655/BEL-0P301504 & Up | 24-883518A03 | 24-883518A 2 SN# USA-0T939655/BEL-0P301504 & Up |
7 | CAP Comment: SN# USA-0T939654/BEL-0P301503 & Below | 19-883516 | |
7 | NOT SOLD SEPARATE, Cap Comment: SN# USA-0T939655/BEL-0P301504 & Up | NSS | |
8 | DEFLECTOR, Cowl | 8M0007776 | 893698001, 856603 1 |
9 | SCREW, (M6 x 30) | 10-82684430 | |
10 | TUBING, (.312) (70.00 Inches Bulk), Cut to 13 Inches - To Block Exhaust Cover | 32-8M0108349 | 32-8M0047448, 32-830757130, 32-830757 80 |
11 | TUBING, (.312) (70.00 Inches Bulk), Cut to 6 Inches - To Telltale | 32-8M0108349 | 32-8M0047448, 32-830757130, 32-830757 80 |
12 | CONDUIT, (.500 Inside Diameter x 3.00 Feet Bulk) (13 IN.) | 32-828547T1 | |
13 | HOSE, (57.00 Inches Bulk), Cut to 19 Inches - to Float Bowl | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
14 | FILTER, Fuel | 35-877565T1 | |
15 | HOSE, (57.00 Inches Bulk), Cut to 7 Inches | 32-8M0108355 | 32-8M0047428, 32-830756109, 32-99127109, 32-877821 |
16 | 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 |
17 | CONNECTOR ASSEMBLY, Fuel | 22-816856A5 | |
- | O-RING, Fuel Connector | 25-16524 | |
18 | CLAMP, Oetiker (12.8 mm) | 54-888441 | 54-884385 |
Gear Housing(Driveshaft)(2.41:1 Gear Ratio)
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Gear Housing(Driveshaft)(2.41:1 Gear Ratio):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY Comment: (SHORT) | 1682-821306T30 | 1682-821306A30 (SHORT) |
- | GEAR HOUSING ASSEMBLY Comment: (LONG) | 1682-821306T32 | 1682-821306A32, 1682-821306T33, 1682-821306A33 (LONG) |
1 | GEAR HOUSING ASSEMBLY, Basic | 1682-821306T12 | 1682-821306A12 |
2 | SEAL/PLATE KIT | 818226A1 | |
3 | NOT SOLD SEPARATE, Plate | NSS | |
4 | SCREW KIT, (.375-16 x .250) Drain | 10-79953Q04 | |
5 | SEAL | 12-191833 | |
6 | SCREW KIT, (.375-16 x .250) Drain | 10-79953Q04 | |
6 | FITTING KIT, Magnetic, Plug Fill/Drain Comment: (MAGNETIC) | 22-8M0058389 | 22-67892A06 (MAGNETIC) |
7 | SEAL | 12-191833 | |
8 | NUT | 11-828490 | |
9 | NOT SOLD SEPARATE, Pinion Gear 12 Teeth (Part of 43-833000A2) | NSS | |
10 | BEARING ASSEMBLY | 31-821321A2 | |
11 | NOT SOLD SEPARATE, Cup | NSS | |
12 | SCREW, (M6 x 16) | 10-8248324 | |
13 | HOUSING ASSEMBLY, Water Pump Upper | 46-821351A3 | |
14 | SEAL, Water Tube Comment: (SHORT) | 8M0151044 | |
14 | SEAL Comment: (LONG - 2-1/4) | 8235471 | |
15 | WASHER | 12-866451 | |
16 | KEY | 28-8M0214993 | |
17 | WASHER | 12-866451 | |
18 | GASKET, Upper Water Pump | 27-822189 | |
19 | GASKET, Lower Water Pump (LOWER) | 27-8M0214956 | |
20 | FACE PLATE | 8213542 | |
21 | IMPELLER | 47-8M0204712 | |
22 | BASE ASSEMBLY, Water Pump | 46-821307A2 | |
23 | SEAL | 26-821309 | |
24 | SEAL | 26-821310 | |
25 | O-RING, (1.421 x .139) | 25-821308 | |
26 | DRIVESHAFT Comment: (SHORT) | 45-850177A1 | |
26 | DRIVESHAFT Comment: (LONG) | 45-832987A1 | |
27 | BEARING, Ball | 30-821311 | |
28 | TIE STRAP | 823548T | 823548, 54-856608 |
29 | BOOT | 822158 | |
30 | RETAINER | 821827 | |
31 | O-RING, (1.609 x .139) | 25-26855 | |
32 | O-RING, (.239 x .174) | 25-85594 | |
33 | WASHER | 12-814803 | 12-93853 |
34 | SHIFT SHAFT Comment: (SHORT) | 827865A2 | |
34 | SHIFT SHAFT Comment: (LONG) | 827865A1 | |
35 | WASHER, (.281 x .500 x .060) Stainless Steel | 12-8M0204649 | |
36 | PIN, (.078 x .437) | 17-85593 | |
37 | CAM, Shift | 8213161 | |
38 | PIN, (.125 x .625) | 17-822369 | |
- | REPAIR KIT, Water Pump | 821354A04 | |
- | SEAL KIT, Gear Housing | 823547A03 |
Gear Housing(PROPELLER SHAFT)(2.41:1 GEAR RATIO)
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Gear Housing(PROPELLER SHAFT)(2.41:1 GEAR RATIO):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GEAR HOUSING ASSEMBLY Comment: (SHORT) | 1682-821306T30 | 1682-821306A30 (SHORT) |
- | GEAR HOUSING ASSEMBLY Comment: (LONG) | 1682-821306T32 | 1682-821306A32, 1682-821306T33, 1682-821306A33 (LONG) |
1 | GEAR HOUSING ASSEMBLY, Basic | 1682-821306T12 | 1682-821306A12 |
39 | PIN, Dowel | 17-821327 | |
40 | GASKET | 27-823942 | |
41 | TUBE | 32-8M0026108 | 32-821828 |
42 | PLUG, Rubber Comment: SN# USA-0T980000/BEL-0P325500 & Below | 19-824928001 | 19-824928, 19-32297 SN# USA-0T980000/BEL-0P325500 & Below |
42 | PLUG, Rubber Comment: SN# USA-0T980000/BEL-0P325500 & Up | 19-824928001 | 19-824928, 19-32297 SN# USA-0T980000/BEL-0P325500 & Up |
43 | SCREEN | 821829 | |
44 | TRIM TAB | 822157T2 | |
45 | SCREW, (M8 x 20) | 10-82497020 | |
46 | WASHER | 12-72397 | |
47 | GEAR ASSEMBLY, Forward (29 TEETH) | 43-833000A2 | |
48 | BEARING ASSEMBLY, Roller | 31-8M0103470 | 31-99328A 1 |
49 | NOT SOLD SEPARATE, Cup | NSS | |
50 | BEARING, Roller | 31-41326 | |
51 | FOLLOWER, Cam | 821578 | |
52 | SPRING | 24-8261991 | |
53 | PIN | 17-8M0020999 | 17-85093 |
54 | CLUTCH | 52-821314T | 52-821314 |
55 | SPRING | 24-38114 | |
56 | PROPELLER SHAFT | 44-8M0140441 | |
57 | GEAR, Reverse (29 TEETH) | 43-833001T | 43-833001 |
58 | BEARING, Ball | 30-20839T | |
59 | CARRIER ASSEMBLY, Bearing | 8M0168900 | |
60 | O-RING | 25-815460 | |
61 | BEARING, Needle | 31-21700 | |
62 | SEAL, Oil | 26-8M0205511 | |
63 | SEAL, Oil | 26-8M0203757 | |
64 | WASHER, (.323 x .590 x .112) Stainless Steel | 12-855941 | |
65 | SCREW, (M8 x 30) | 10-85594030 | |
66 | INSERT, Threaded | 8227731 | |
67 | NOT SOLD SEPARATE, Decal (2.42:1)(12 x 29) | NSS | |
68 | THRUST HUB | 73345A1 | |
69 | PROP NUT KIT | 11-69578Q1 | |
70 | TAB WASHER | 14-8M0214942 | |
71 | SCREW, (M10 x 45) | 10-4000380 | |
72 | WASHER, (.406 x .750 x .105) Stainless Steel | 12-8M0214963 | |
73 | PLUG | 19-95925 | |
- | SEAL KIT, Gear Housing | 823547A03 |
Intake
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Intake:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | O-RING | 25-33466 | |
2 | ISOLATOR, Carburetor | 8536451 | |
3 | DIFFUSER Comment: SN# USA-0T800999/BEL-0P267999 & Below | 830277F01 | 830277F SN# USA-0T800999/BEL-0P267999 & Below |
3 | DIFFUSER Comment: SN# USA-0T801000/BEL-0P268000 & Up | 830277F01 | 830277F SN# USA-0T801000/BEL-0P268000 & Up |
4 | INSERT | 855219 | |
5 | SEAL | 878431 | |
6 | SCREW, (M6 x 25 MM) | 10-8248326 | |
7 | SCREW, M6 x 100 | 10-821704100 | |
8 | CLAMP | 855838 | |
9 | HOSE ASSEMBLY, Breather, To Breather Cover | 32-854787A1 | |
10 | SEAL | 855837 | 855837 1 |
11 | INTAKE ASSEMBLY, Air | 832011A2 | |
12 | CLAMP | 54-28700 | |
13 | SCREW, (M6 x 16) | 10-8248324 | |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
Intake/Exhaust Valves
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Intake/Exhaust Valves:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | VALVE, Exhaust | 8M0119204 | |
2 | VALVE, Intake | 832990T1 | |
3 | WASHER, Valve Spring | 12-825044 | |
4 | SEAL, Valve Stem | 26-822647 | |
5 | SPRING, Valve Outer | 24-823678 | |
6 | RETAINER | 822650 | |
7 | KEY | 28-893554 | 28-822651 |
8 | ROCKER ARM | 898821A01 | |
9 | SCREW | 10-825046 | |
10 | NUT | 11-826150 | 11-858274 |
11 | SHAFT, Rocker | 8M0011790 | |
12 | NOT SOLD SEPARATE, Plug | NSS | |
13 | BRACKET | 825050 | |
14 | SPRING | 24-825052 | |
15 | SCREW, (M8 x 30) | 10-82641030 | |
- | GASKET SET | 27-830270A02 | 27-830270A98 |
- | CYLINDER HEAD Comment: (ELECTRIC) | 830271T3 | |
- | CYLINDER HEAD Comment: (MANUAL) | 830271T4 |
Linkage
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Linkage:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | SCREW, (M8 x 70) Stainless Steel Comment: (ELECTRIC NON HANDLE) | 10-40011158 | |
2 | SCREW, (M6 x 60) Comment: (ELECTRIC NON HANDLE) | 10-8147763 | |
3 | NUT, (M6) Comment: (ELECTRIC NON HANDLE) | 11-401196 | |
4 | CAP Comment: (ELECTRIC NON HANDLE) | 42942 | |
5 | LEVER ASSEMBLY, Throttle Comment: (ELECTRIC NON HANDLE) | 822682A4 | |
6 | RETAINER Comment: (ELECTRIC NON HANDLE) | 883160 | |
7 | BUSHING Comment: (ELECTRIC NON HANDLE) | 23-825078 | |
8 | RETAINER Comment: (ELECTRIC NON HANDLE) | 822459 | |
9 | LEVER, Shift Comment: (ELECTRIC NON HANDLE) | 8259571 | |
10 | SHIFT ROD Comment: (ELECTRIC NON HANDLE) | 882820 | 826271 (ELECTRIC NON HANDLE) |
11 | ROD, Throttle Comment: (ELECTRIC NON HANDLE) | 830307 | |
12 | BUSHING Comment: (ELECTRIC NON HANDLE) | 23-8M0215006 | |
13 | BRACKET Comment: (ELECTRIC NON HANDLE) | 827706A4 | |
14 | LATCH Comment: (ELECTRIC NON HANDLE) | 98889 | |
15 | SCREW, (M6 x 16) Comment: (ELECTRIC NON HANDLE) | 10-8248324 | |
16 | SLEEVE Comment: (ELECTRIC NON HANDLE) | 23-15885 | |
17 | WASHER, (.281 x .500 x .060) Stainless Steel Comment: (ELECTRIC NON HANDLE) | 12-8M0204649 | |
18 | COTTER PIN Comment: (ELECTRIC NON HANDLE) | 18-210711 | |
19 | CAM, Throttle | 830305 | |
20 | BUSHING | 23-822389 | |
21 | WASHER | 12-8M0214930 | |
22 | SCREW, (M6 x 35) Stainless Steel | 10-40011131 | |
23 | SHIFT SHAFT ASSEMBLY, Horizontal | 826588A4 | |
24 | RETAINER | 8277071 | |
25 | SPRING, Detent | 24-826077 | |
26 | SPRING, Backing | 24-824993 | |
27 | SPRING, Plate | 824994 | |
28 | SCREW, (M5 x 16) Stainless Steel | 10-40011107 | |
29 | SWITCH Comment: (ELECTRIC HANDLE MODELS) | 87-8M0052927 | 87-813960A 3 (ELECTRIC HANDLE MODELS) |
30 | SCREW, (M3 x 20) Comment: (ELECTRIC HANDLE MODELS) | 10-88075020 | |
31 | PLATE Comment: (ELECTRIC HANDLE MODELS) | 824923 | |
32 | BRACKET Comment: (HANDLE MODELS) | 8214943 | |
33 | SCREW, (M6 x 16) Comment: (HANDLE MODELS) | 10-8248324 |
Manual Starter
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Manual Starter:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | STARTER ASSEMBLY, Recoil Comment: SN# USA-0T901306/BEL-0P294183 & Below | 835253A13 | 835253T 6 SN# USA-0T901306/BEL-0P294183 & Below |
- | STARTER ASSEMBLY, Recoil Comment: SN# USA-0T901307/BEL-0P294184 & Up | 835253A13 | 835253T 6 SN# USA-0T901307/BEL-0P294184 & Up |
1 | HOUSING ASSEMBLY, Recoil Comment: SN# USA-0T901306/BEL-0P294183 & Below | 835253A12 | 835253A 8 SN# USA-0T901306/BEL-0P294183 & Below |
1 | HOUSING ASSEMBLY, Recoil Comment: SN# USA-0T901307/BEL-0P294184 & Up | 835253A12 | 835253A 8 SN# USA-0T901307/BEL-0P294184 & Up |
2 | CAM | 8167122 | |
3 | SPRING | 24-8267911 | |
4 | SEAL | 8M0026455 | 835255 2 |
5 | ROLLER | 835256T | 835256 |
6 | BUSHING | 23-852987T | 23-852987 |
7 | WASHER | 826414T | 12-826414 |
8 | SCREW, (M6 x 30) | 10-82684430 | |
9 | LOCKWASHER | 13-826229 | |
10 | SPRING | 24-86857T01 | |
11 | SHEAVE ASSEMBLY, Starter | 50-854317T5 | |
12 | CAM | 868501 | |
13 | SPRING | 24-86851T02 | |
14 | RING, Retaining | 53-86849T01 | |
15 | SPRING | 24-868523 | |
16 | CAM | 86853T01 | |
17 | SCREW, (.250-20 x .625) | 10-826253 | 10-97516, 10-818838 |
18 | ROPE | 50-12066Q10 | |
19 | LEVER, Interlock | 856073 | 852449 |
20 | RETAINER | 856072T | 856072 |
21 | SPRING | 24-856138T03 | 24-856138 3 |
22 | BUSHING | 854779T | 854779 |
23 | SCREW, (#10-16 x 1.00) | 10-8182491 | |
24 | HANDLE ASSEMBLY | 85174A1 | |
25 | NOT SOLD SEPARATE, Retainer | NSS | |
26 | SCREW, (M6 x 25 MM) | 10-8248326 | |
27 | CABLE, Interlock Comment: SN# USA-0T901306/BEL-0P294183 & Below | 856754 | 816748 6 SN# USA-0T901306/BEL-0P294183 & Below |
27 | CABLE, Interlock Comment: SN# USA-0T901307/BEL-0P294184 & Up | 856754003 | |
28 | SCREW, (#10-16 x .625) Comment: SN# USA-0T901306/BEL-0P294183 & Below | 10-8214281 | |
28 | SCREW, (M5 x 16) Stainless Steel Comment: SN# USA-0T901307/BEL-0P294184 & Up | 10-40011107 | |
29 | WASHER, (.220 x .500 x .030) Stainless Steel | 12-73288 | |
30 | COTTER PIN | 18-26811 | |
31 | SCREW, (M5 x 16) Stainless Steel | 10-40011107 | |
32 | J CLIP | 54-54457 | |
33 | SCREW, (M6 x 16) | 10-4006731 |
Power Trim
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Power Trim:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | POWER TRIM ASSEMBLY | 822344T14 | 822344T10, 822344T 5 |
- | O-RING KIT | 25-827668A1 | |
2 | SHOCK ROD ASSEMBLY | 893931A01 | 827670A 2 |
3 | PILOT CHECK ASSEMBLY | 827671A1 | |
4 | TILT RELIEF VALVE ASSEMBLY | 827672A1 | |
5 | SEAT ASSEMBLY, Suction | 827673A1 | |
6 | PUMP ASSEMBLY | 827674A1 | |
7 | NOT SOLD SEPARATE, Spring/down Relief Ball | NSS | |
8 | NOT SOLD SEPARATE, Screw (10-32 x 1-1/4 Inches) | NSS | |
9 | NOT SOLD SEPARATE, Filter | NSS | |
10 | NOT SOLD SEPARATE, Seal Ring | NSS | |
11 | MOTOR ASSEMBLY | 827675A1 | |
12 | NOT SOLD SEPARATE, Screw (1/4-28 x 5/8 Inch) | NSS | |
13 | CABLE ASSEMBLY | 88238A15 | |
14 | NOT SOLD SEPARATE, Lockwasher | NSS | |
15 | NOT SOLD SEPARATE, O Ring | NSS | |
16 | NOT SOLD SEPARATE, Coupler | NSS | |
17 | PISTON, Memory | 827676 | |
18 | MANUAL RELEASE ASSEMBLY | 893929A01 | 813442A 2 |
19 | PLUG ASSEMBLY | 19-811613 | |
- | HARNESS ASSEMBLY, Trim | 84-826802T28 | 84-826802T22 |
20 | HARNESS ASSEMBLY, Trim | 84-826802T20 | |
21 | RELAY ASSEMBLY | 8M0207773 | |
22 | BRACKET | 828102 | |
23 | GROMMET | 25-818967 | |
24 | BUSHING | 23-8M0214955 | |
25 | NOT SOLD SEPARATE, Decal-Trim Relay | NSS | |
26 | SCREW, (M6 x 30) | 10-82684430 |
Power Trim Mounting
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Power Trim Mounting:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | PIN, Anchor (14 mm) Comment: SN# USA-0T979999/BEL-0P325499 & Below | 17-822481001 | 17-822481 SN# USA-0T979999/BEL-0P325499 & Below |
1 | PIN, (14 mm) Comment: SN# USA-0T980000/BEL-0P325500 & Up | 17-822481001 | 17-822481 SN# USA-0T980000/BEL-0P325500 & Up |
2 | BUSHING | 23-822482 | |
3 | BUSHING | 23-822484 | |
4 | WASHER | 12-825190 | |
5 | NUT | 11-826712 | 11-40134 14 |
6 | SCREW, (M10 x 40) Stainless Steel | 10-4009040 | |
7 | WASHER | 12-4002319 | |
8 | NUT, (M10) | 11-40140 | |
9 | SCREW, (#10-16 x .600) | 10-878609 | 10-812832 1 |
10 | C WASHER | 8M0084613 | 69205 |
11 | CLIP | 54-22740 | |
12 | PIN, Trilobe | 17-821539 | 17-13794, 17-19603 |
13 | PIN, Pivot | 17-822480 | |
14 | BUSHING | 23-823507 |
Powerhead Gasket Set Components
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Powerhead Gasket Set Components:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
- | GASKET SET | 27-830270A02 | 27-830270A98 |
0 | O-RING, Carb Isolator | 25-33466 | |
0 | SEAL, Diffuser | 878431 | |
0 | SEAL, Valve Stem, Valve Stem | 26-822647 | |
0 | GASKET, Cylinder Block | 27-8M0069692 | 27-825231 2 |
0 | GASKET, Exhaust Cover | 27-830298 | |
0 | GASKET, Thermostat Cover | 27-8M0177107 | |
0 | BREATHER COVER | 832734A2 | |
0 | GASKET, Breather Cover | 27-8547801 | |
0 | O-RING (98MM x 2MM) | 25-854722 | |
0 | SEAL, Oil, Cylinder Head | 26-825048 | |
0 | O-RING, Cylinder Head Cover | 25-833103 | |
0 | GASKET, Cylinder Head | 27-8M0049885 | 27-830270 |
0 | O-RING, Oil Pump | 25-826152 | |
0 | O-RING, Oil Pump | 25-826154 | |
0 | O-RING, Oil Pump | 25-826153 | |
0 | SEAL, Crankshaft-Top | 8M0151047 | |
0 | SEAL, Crankshaft-Bottom | 8M0151048 | |
0 | O-RING, Fuel Pump Comment: (Use where Applicable) | 25-8M0052669 | 25-825492 (Use where Applicable) |
0 | O-RING, Cylinder Head Cover Plug Comment: (.960 ID X .120 Dia.) | 25-8M0052669 | 25-825492 (.960 ID X .120 Dia.) |
0 | O-RING, (.921 x .139), Cylinder Head Cover Plug Comment: (.921 ID X .139 Dia.) | 25-8M0204673 | |
0 | GASKET, Driveshaft Housing Plug | 27-8M0204692 |
Service/Support Material
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Service/Support Material:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
0 | PARTS MANUAL, 25 (4-Stroke) | 90-80301502 | |
0 | DECAL SET Comment: (MERCURY)(TRACKER)(2002-2004) | 37-854693A00 | 37-854693A98 (MERCURY)(TRACKER)(2002-2004) |
0 | DECAL SET Comment: (MERCURY/TRACKER)(2005) | 37-854693A05 | |
0 | DECAL SET Comment: (MARINER)(2002) | 37-854692A03 | 37-854692A01, 37-854692A98 (MARINER)(2002) |
0 | DECAL SET Comment: (MARINER)(2003 AND ABOVE) | 37-854692A03 | 37-854692A01, 37-854692A98 (MARINER)(2003 AND ABOVE) |
0 | DECAL, EPA Label Information Comment: (2002) | 37-804653A02 | |
0 | DECAL, EPA Label Information Comment: (2003) | 37-804653A03 | |
0 | DECAL, EPA Label Information Comment: (2004) | 37-804653A04 | |
0 | DECAL, EPA Label Information Comment: (2005) | 37-804653A05 | |
0 | DECAL, EPA Label Information Comment: (2006) | 37-804653A06 | |
0 | DECAL, California Ultra Low Emissions | 37-88343312 | |
0 | SERVICE MANUAL | 90-854785R2 | |
0 | OWNERS MANUAL Comment: (2002) | 90-10183020 | |
0 | OWNERS MANUAL Comment: (2003) | 90-10183030 | |
0 | OWNERS MANUAL Comment: (2004) | 90-10183040 | |
0 | OWNERS MANUAL Comment: (2005/2006) | 90-10183050 |
Starter Motor
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Starter Motor:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | STARTER MOTOR ASSEMBLY Comment: SN# USA-0T800999/BEL-0P267999 & Below | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 SN# USA-0T800999/BEL-0P267999 & Below |
1 | STARTER MOTOR ASSEMBLY Comment: SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 |
1 | STARTER MOTOR ASSEMBLY Comment: (Complete Only) SN# USA-1B227000 & Up | 50-893886T | 50-888151T, 50-859169T, 50-830308T, 50-830308 (Complete Only) SN# USA-1B227000 & Up |
2 | THRU BOLT Comment: SN# USA-1B226999 & Below | 10-965662 | |
3 | DRIVE KIT Comment: SN# USA-0T800999/BEL-0P267999 & Below | 891752 | 90643 4 SN# USA-0T800999/BEL-0P267999 & Below |
3 | DRIVE KIT Comment: SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 | 891752 | 90643 4 SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 |
4 | ARMATURE Comment: SN# USA-0T800999/BEL-0P267999 & Below | 8236385 | |
4 | ARMATURE Comment: SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 | 891753 | |
5 | PINION Comment: SN# USA-0T800999/BEL-0P267999 & Below | 68575T2 | |
5 | PINION Comment: SN# USA-0T801000/BEL-0P268000 THRU USA-1B226999 | 68575T2 | |
6 | DRIVE CAP Comment: SN# USA-1B226999 & Below | 8236392 | |
7 | CAP, Commutator Comment: SN# USA-1B226999 & Below | 8119011 | |
8 | BRUSH/SPRING KIT Comment: SN# USA-1B226999 & Below | 898265016 | 75384, 75384 1 SN# USA-1B226999 & Below |
9 | HOLDER Comment: SN# USA-1B226999 & Below | 898265014 | 61787 SN# USA-1B226999 & Below |
10 | SCREW Comment: SN# USA-1B226999 & Below | F15158 | |
11 | DECAL, Warning, High Voltage | 37-8272822 |
Steering Arm
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Steering Arm:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | NUT, (M12) | 11-896963 | 11-859129, 11-90099 |
2 | STRAP | 893773002 | 827923 2, 893773001, 827923 1 |
3 | MOUNT | 826267T3 | |
4 | SCREW, (M6 x 20) Stainless Steel | 10-8M0204741 | |
5 | BUMPER | 8M0156878 | |
6 | RING, Retaining | 53-89531 | |
7 | ARM, Steering | 8M0118183 | |
8 | BOLT, (M12 x 154) | 10-898835001 | 10-42973 |
9 | SPACER Comment: (SHORT) | 23-8279973 | |
9 | SPACER Comment: (LONG) | 23-8279971 | |
10 | SWIVEL TUBE Comment: (SHORT) | 850175A1 | |
10 | SWIVEL TUBE Comment: (LONG) | 826233T3 | |
11 | CABLE ASSEMBLY | 84-88238T01 | |
12 | CABLE ASSEMBLY, Ground | 8M0207768 | |
13 | SCREW, (M10 x 105) Hex Flange - Stainless Steel | 10-823567105 | 10-817430105 |
14 | BRACKET | 893703 | 828985 |
15 | SCREW, (#10-16 x .375) | 10-878607 | 10-817626 |
16 | NUT, (M10) | 11-40140 | |
17 | NUT, (.375-24) Stainless Steel Comment: (HANDLE) | 11-8M0204726 | |
18 | LEVER Comment: (HANDLE) | 823792 | |
19 | WASHER Comment: (HANDLE) | 12-29330 | |
20 | ROD (THREADED) Comment: (HANDLE) | 821961 | |
21 | PLATE/DISC ASSEMBLY Comment: (HANDLE) | 8M0006845 | 821957A 2 (HANDLE) |
22 | NOT SOLD SEPARATE, Disc Comment: HANDLE | NSS | |
23 | PLATE Comment: (HANDLE) | 8M0007471 | 823791 (HANDLE) |
24 | DISC Comment: (HANDLE) | 8165621 | |
25 | SHOULDER SCREW, Hex Comment: (HANDLE) | 10-768042 | |
26 | BRACKET Comment: (ELECTRIC) | 8M0184092 | |
27 | TAB WASHER Comment: (ELECTRIC) | 14-8M0009820 | 14-816669F 1 (ELECTRIC) |
28 | SCREW, (M10 x 30) Comment: (ELECTRIC) | 10-4000377 |
Swivel Bracket
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Swivel Bracket:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | ATTACHING KIT, Engine Steering Comment: (NON HANDLE) | 19608A14 | |
2 | SCREW, (.375-24 x 1.500) Comment: (NON HANDLE) | 10-823919 | |
3 | WASHER, (.390 x .546 x .12) Comment: (NON HANDLE) | 12-8M0109680 | |
4 | WASHER, (.390 x .625 x .062) Stainless Steel Comment: (NON HANDLE) | 12-37828 | |
5 | NUT, (.375-24) Stainless Steel Comment: (NON HANDLE) | 11-8M0204726 | |
6 | PUCK Comment: (ELECTRIC) | 822397 | |
7 | SWIVEL BRACKET Comment: SN# USA-0T800999/BEL-0P267999 & Below | 3410-827402T5 | |
7 | SWIVEL BRACKET Comment: SN# USA-0T801000/BEL-0P268000 & Up | 3410-827402T5 | |
8 | BUSHING | 23-8217711 | |
9 | BUSHING (LOWER) | 23-821777 | |
10 | SEAL | 26-8M0205512 | |
11 | FITTING, Grease | 22-8M0169589 | |
12 | FITTING, Grease Comment: (HANDLE) | 22-8M0169589 | |
13 | SEAL KIT Comment: (NON HANDLE) | 19624A1 | |
14 | O-RING, (.583 x .103) Comment: (NON HANDLE) | 25-29619 | |
15 | SPACER Comment: (NON HANDLE) | 23-78861 | |
16 | WASHER | 12-19619 | |
17 | NUT, (.875-14) | 11-858869 | 11-30499 |
18 | NOT SOLD SEPARATE, Decal-Serial Overlaminate | NSS | |
19 | SCREW, (M8 x 10) Stainless Steel Comment: (MANUAL HANDLE) | 10-4008910 | |
19 | SCREW, (M8 x 25) Stainless Steel Comment: (ELECTRIC) | 10-40011149 | |
20 | SEAL Comment: (ELECTRIC) | 8282451 | |
21 | WASHER | 12-19619 | |
22 | TILT TUBE | 8M0041938 | 8M0035070, 19614 1 |
23 | NUT, (.875-14) | 11-858869 | 11-30499 |
24 | PIN, Trilobe | 17-821539 | 17-13794, 17-19603 |
25 | BUSHING | 23-823507 | |
26 | PIN, Pivot (UPPER) | 17-822480 | |
27 | DECAL, Co-Pilot | 37-8237011 |
Swivel Bracket(Remote Control)
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Swivel Bracket(Remote Control):

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | ATTACHING KIT, Engine Steering | 19608A14 | |
2 | SCREW, (.375-24 x 1.500) | 10-823919 | |
3 | WASHER, (.390 x .546 x .12) | 12-8M0109680 | |
4 | WASHER, (.390 x .625 x .062) Stainless Steel | 12-37828 | |
5 | NUT, (.375-24) Stainless Steel | 11-8M0204726 | |
6 | PUCK | 822397 | |
7 | SWIVEL BRACKET Comment: SN# USA-0T800999/BEL-0P267999 & Below | 3410-827402T5 | |
7 | SWIVEL BRACKET Comment: SN# USA-0T801000/BEL-0P268000 & Up | 3410-827402T5 | |
8 | BUSHING (UPPER) | 23-8217711 | |
9 | FITTING, Grease | 22-8M0169589 | |
10 | BUSHING (LOWER) | 23-821777 | |
11 | SEAL | 26-8M0205512 | |
12 | WASHER | 12-19619 | |
13 | NUT, (.875-14) | 11-858869 | 11-30499 |
14 | COTTER PIN | 18-26811 | |
15 | PIN, Pivot, Reverse Lock Comment: SN# USA-0T800999/BEL-0P267999 & Below | 821799002 | 821799 1 SN# USA-0T800999/BEL-0P267999 & Below |
15 | PIN, Pivot, Reverse Lock Comment: SN# USA-0T801000/BEL-0P268000 & Up | 821799002 | 821799 1 SN# USA-0T801000/BEL-0P268000 & Up |
16 | NOT SOLD SEPARATE, Decal-Serial Overlaminate | NSS | |
17 | SCREW, (M8 x 25) Stainless Steel | 10-40011149 | |
18 | SEAL | 8282451 | |
19 | WASHER | 12-19619 | |
20 | TILT TUBE | 8M0041938 | 8M0035070, 19614 1 |
21 | NUT, (.875-14) | 11-858869 | 11-30499 |
22 | PIN, Trilobe | 17-821539 | 17-13794, 17-19603 |
23 | BUSHING | 23-823507 | |
24 | PIN, Pivot (UPPER) | 17-822480 | |
25 | STRAP | 8217751 | |
26 | LINK (UPPER) | 821800 | |
27 | LEVER | 8217981 | |
28 | NUT, | 6-32,11-8M0207777 | |
29 | PIN | 826578 | F366886, F366866 |
30 | SPRING | 24-F366300 | |
31 | LINK | 8M0026107 | 821805 2 |
32 | WASHER | 12-71055 | |
33 | ARM | 825181003 | 825181 1 |
34 | LOCK, Reverse | 8289861 | |
35 | NUT, | 10-32,11-8M0204718 | |
36 | SEAL KIT | 19624A1 | |
37 | O-RING, (.583 x .103) | 25-29619 | |
38 | SPACER | 23-78861 |
Tiller Handle
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Tiller Handle:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | COVER KIT | 822148A8 | |
2 | PULLEY | 822150 | |
3 | NOT SOLD SEPARATE, Case | NSS | |
4 | SCREW, (#10-16 x .500) | 10-878608 | 10-812832 |
5 | CABLE ASSEMBLY, Throttle (26.50 Inches) Comment: (26-1/2 IN.) | 4324214 | |
6 | CABLE ASSEMBLY, Throttle (27.50 Inches) Comment: (27-1/2 IN.) | 4324215 | |
7 | SLEEVE, (12.00 Inches) | 85-960099 | |
8 | SCREW, (M8 x 25 MM) | 10-82526225 | |
9 | COVER | 8M0072298 | 822407F 1 |
10 | BUSHING | 23-821477 | |
11 | ARM, Steering Handle | 822325T1 | |
- | DECAL, Lanyard, Black | 37-8M0032728 | |
12 | RETAINER | 822441 | |
13 | SCREW, (M5 x 16) Stainless Steel | 10-40011107 | |
14 | SCREW, (M6 x 25) | 10-8M0204707 | |
15 | LOCK, Throttle Comment: SN# USA-0T979999/BEL-0P325499 & Below | 892995 | 821971 SN# USA-0T979999/BEL-0P325499 & Below |
15 | LOCK, Throttle Comment: SN# USA-0T980000/BEL-0P325500 & Up | 892995 | 821971 SN# USA-0T980000/BEL-0P325500 & Up |
16 | SPRING | 24-96203 | |
17 | KNOB, Throttle | 821972T | 821972 |
18 | TILLER TUBE | 821463T01 | 821463A 1 |
19 | DECAL | 37-8242004 | |
20 | HANDLE, Throttle | 821465 | |
21 | GRIP | 8M0221732 | |
22 | SWITCH, Stop Comment: (STOP) | 87-8M0104611 | 87-823609A 2 (STOP) |
23 | SCREW, (M5 x 12) | 10-82239312 | |
24 | WASHER | 12-8M0214930 | |
25 | ALARM | 84-8M0088388 | 816492A 8 |
26 | CLIP | 823687 | |
27 | SWITCH, Stop Comment: (STOP) | 87-11083A31 | |
28 | RETAINER, Brass | 8M0032846 | 12044 1 |
29 | BRACKET, Tiller | 821455A4 | |
30 | WAVE WASHER | 13-826792 | 13-34678 1, 13-822144 |
31 | BUSHING | 23-821477 | |
32 | WASHER | 12-827314 | |
33 | CONDUIT, (.620 Inside Diameter x 3.00 Feet Bulk) | 32-828547633 | |
34 | 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 |
35 | DECAL, F-N-R Shift | 37-82409316 | |
36 | TAB WASHER | 14-8M0009820 | 14-816669F 1 |
37 | SCREW, (M10 x 90) | 10-82484890 | |
38 | LANYARD ASSEMBLY | 15920Q54 | |
39 | SCREW, (M8 x 35) Stainless Steel | 10-40011151 | |
40 | HANDLE | 830180A01 | 830180 |
41 | BUSHING | 23-830181 | |
42 | SHIFT ROD | 8301821 |
Tools, Special
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Tools, Special:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
0 | HOLDER TOOL, Flywheel | 91-8M0161873 | |
0 | TORQUE WRENCH, (0-150 lb-in) Comment: (0-150 lb-in) | 91-66274 | |
0 | TESTER, Eight Chamber, EIGHT CHAMBER Comment: (ELECTRICAL/IGNITION) | 91-850439T1 | |
0 | GAP TOOL, Single Chamber, SINGLE CHAMBER Comment: (ELECTRICAL/IGNITION) | 91-63998A1 | |
0 | NOT SOLD SEPARATE, Collet (Snap-On #CG41-14) Comment: TRIM/TILT SYSTEM | NSS | |
0 | NOT SOLD SEPARATE, Expanding Rod (Snap-On #CG41-11) Comment: TRIM/TILT SYSTEM | NSS | |
0 | DOWN PRESSURE KIT Comment: (TRIM/TILT SYSTEM) | 91-822778A3 | |
0 | SPANNER WRENCH Comment: (TRIM/TILT SYSTEM) | 91-74951 | |
0 | HEAT LAMP Comment: (TRIM/TILT SYSTEM) | 91-63209 | |
0 | GAUGE TOOL Comment: (POWERHEAD) | 91-29287 | |
0 | FLYWHEEL PULLER Comment: (POWERHEAD) | 91-83164M | |
0 | EXPANDER TOOL, Piston Ring Comment: (POWERHEAD) | 91-24697 | |
0 | STAND TOOL, Powerhead Comment: (POWERHEAD) | 91-827001A1 | |
0 | COMPRESSOR TOOL, Piston Ring Comment: (POWERHEAD) | FT2997 | FJ7081, FJ8785, FJ8786, FJ8787, FJ8788, FJ8789 (POWERHEAD) |
0 | INSTALLER TOOL, Valve Guide Bushing Comment: (POWERHEAD) | 91-809496A1 | |
0 | REAMER TOOL, Valve Guide Comment: (POWERHEAD) | 91-809497A1 | |
0 | REMOVER TOOL, Valve Guide Comment: (POWERHEAD) | 91-809495001 | 91-809495A 1 (POWERHEAD) |
0 | BEARING, Thrust Comment: (GEAR HOUSING) | 31-85560 | |
0 | INSTALLER TOOL, Seal Comment: (GEAR HOUSING) | 91-817007T | 91-817007 (GEAR HOUSING) |
0 | PILOT Comment: (GEAR HOUSING) | 91-825199 | |
0 | PULLER KIT, Bearing Comment: (GEAR HOUSING) | 91-31229A7 | |
0 | NUT, (.625-18) Comment: (GEAR HOUSING) | 11-24156 | |
0 | PLATE Comment: (GEAR HOUSING) | 91-29310 | |
0 | WASHER Comment: (GEAR HOUSING) | 12-34961 | |
0 | WRENCH TOOL, Driveshaft Bearing Comment: (GEAR HOUSING) | 91-36571T | |
0 | DRIVER HEAD TOOL Comment: (GEAR HOUSING) | 91-37312T | |
0 | DRIVER ROD TOOL, Needle Bearings Comment: (GEAR HOUSING) | 91-37323 | |
0 | HOOK TOOL, Spring Comment: (GEAR HOUSING) | 91-825200A1 | |
0 | REMOVER TOOL, Bearing Comment: (GEAR HOUSING) | 91-13779 | |
0 | HOLDING TOOL, Driveshaft Comment: (GEAR HOUSING) | 91-83180M | |
0 | INSTALLER TOOL, Bearing Comment: (GEAR HOUSING) | 91-826872 | |
0 | INSTALLER TOOL, Needle Bearing Comment: (GEAR HOUSING) | 91-817011T | 91-817011 (GEAR HOUSING) |
0 | INSTALLER TOOL, Oil Seal Comment: (GEAR HOUSING) | 91-825197T | 91-825197 (GEAR HOUSING) |
0 | MANDREL Comment: (GEAR HOUSING) | 91-825198 | |
0 | PULLER, WATER PUMP Comment: (GEAR HOUSING) | 91-27780 | |
0 | PULLER PLATE Comment: (GEAR HOUSING) | 91-37241 | |
0 | TOOL KIT | 91-8M0162977 |
Top Cowl
Back to TopBelow is the parts list for Mercury 25 (4-STROKE) Top Cowl:

Position No. | Part Name | OEM Number | Supersedes |
---|---|---|---|
1 | TOP COWL ASSEMBLY Comment: (MANUAL) (BLACK) | 4027-830562T5 | |
1 | TOP COWL ASSEMBLY Comment: (MANUAL) (SILVER) | 4027-830562T6 | |
2 | TOP COWL ASSEMBLY Comment: (ELECTRIC) (BLACK) | 4027-830562T7 | |
2 | TOP COWL ASSEMBLY Comment: (ELECTRIC) (SILVER) | 4027-830562T8 | |
3 | NOT SOLD SEPARATE, Induction Insert | NSS | |
4 | INSERT, Cowl Comment: (MANUAL) | 854318 | |
5 | LATCH Comment: (BLACK) | 826291F1 | |
5 | LATCH Comment: (SILVER) | 826291F1 | |
6 | SCREW, (M4 x 14.5) | 10-8231871 | |
7 | LOCKWASHER, Stainless Steel | 8,13-26995 | |
8 | NUT, (M4) | 11-8237515 | |
9 | SEAL | 8M0153618 | |
10 | SOUND BLANKET KIT Comment: SN# 1B226999 & Below | 852556A02 | 855334A 1 SN# 1B226999 & Below |
10 | SOUND BLANKET KIT Comment: SN# 0P400999 & Below | 852556A02 | 855334A 1 SN# 0P400999 & Below |
10 | SOUND BLANKET KIT Comment: SN# 1B227000 & Up | 852556A02 | 855334A 1 SN# 1B227000 & Up |
11 | NOT SOLD SEPARATE, Sound Blanket-Top Comment: ELECTRIC | NSS | |
12 | NOT SOLD SEPARATE, Sound Blanket-Top Comment: MANUAL | NSS | |
13 | BRACKET ASSEMBLY, Latch Roller | 893763 | 18173 |
14 | SCREW, (M6 x 16) | 10-4006731 | |
15 | BRACKET | 8M0038412 | 822426 1 |
16 | SCREW, (M4 x 14.5) | 10-8231871 | |
17 | LOCKWASHER, Stainless Steel | 8,13-26995 | |
18 | NUT, (M4) | 11-8237515 | |
19 | ROPE AND HANDLE KIT, Manual Starting | 47341A11 |
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For Mercury Owners:
To assist you in maintaining and repairing your marine engines, we hope the following resources may be of use:
-
Mercury / Mercruiser / Mariner Parts from JLM Marine
- Mercury Thermostat
- Mercury Water Pump
- Mercury Water Pump Impeller
- Mercury Water Pump Impeller Kit
- Mercury Carburetor
- Mercury Carburetor Repair Kit
- Mercury Fuel Pump
- Mercury Fuel Pump Kit
- Mercury Air Filter
- Mercury Oil Filter
- Mercury Oil Seal
- Mercury Fuel Filter
- Mercury Gasket
- Mercury Relay
- Mercury Ignition Switch
- Mercury Trim Tilt Switch
- Mercury Ignition Sensor
- Mercury Spark Plug Wire
- Mercury Water Distribution Housing
- Mercury Bellow
- Mercury Bellows Kit
- Mercury Serpentine Pulley
- Mercury Accessories
- Mercury Belt
- Mercury Oil Plug
- Mercury Drain Plug
- Mercury Bellows Replacement Tool
About JLM Marine
Founded in 2002, JLM Marine has established itself as a dedicated manufacturer of high-quality marine parts, based in China. Our commitment to excellence in manufacturing has earned us the trust of top marine brands globally.
As a direct supplier, we bypass intermediaries, which allows us to offer competitive prices without compromising on quality. This approach not only supports cost-efficiency but also ensures that our customers receive the best value directly from the source.
We are excited to expand our reach through retail channels, bringing our expertise and commitment to quality directly to boat owners and enthusiasts worldwide.
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