Parts Catalog

Replacements
Home / Mercury / Mercury Marine [Updated: Apr. 10, 2026] / Outboard / 4 Stroke EFI / 300 HP 4.6L V8 Verado / [2B529482 & Up] - USA - Cat.# 90-8M0145606 / Gear Housing, Driveshaft, 5.44 Torpedo (1.75 and 1.85 Gear Ratio)

Gear Housing, Driveshaft, 5.44 Torpedo (1.75 and 1.85 Gear Ratio)

Parts (81)

#Part NumberDescriptionQtyStatus
- 8M0142323 GEAR HOUSING ASSEMBLY Silver (Camber) (Standard Long) (1.85) 1 superseded
- 8M0142324 GEAR HOUSING ASSEMBLY Silver (Camber) (Standard X-Long) (1.85) 1 superseded
- 8M0142326 GEAR HOUSING ASSEMBLY Silver (Camber) (Standard XX-Long) (1.85) 1 superseded
- 8M0142328 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation Long) (1.85) 1 superseded
- 8M0142325 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation X-Long) (1.85) 1 superseded
- 8M0142327 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation XX-Long) (1.85) 1 superseded
- 8M0142335 GEAR HOUSING ASSEMBLY Silver (Camber Long) (1.75) 1 superseded
- 8M0142337 GEAR HOUSING ASSEMBLY Silver (Camber) (Standard X-Long) (1.75) 1 superseded
- 8M0142339 GEAR HOUSING ASSEMBLY Silver (Camber) (Standard XX-Long) (1.75) 1 superseded
- 8M0142336 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation Long) (1.75) 1 superseded
- 8M0142338 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation X-Long) (1.75) 1 superseded
- 8M0142340 GEAR HOUSING ASSEMBLY Silver (Camber) (Counter Rotation XX-Long) (1.75) 1 superseded
- 8M0142329 GEAR HOUSING ASSEMBLY Silver (Standard Long) (1.75) (SeaPro) 1 superseded
- 8M0142331 GEAR HOUSING ASSEMBLY Silver (Standard X-Long) (1.75) (SeaPro) 1 superseded
- 8M0142333 GEAR HOUSING ASSEMBLY Silver (Standard XX-Long) (1.75) (SeaPro) 1 superseded
- 8M0142330 GEAR HOUSING ASSEMBLY Silver (Counter Rotation Long) (1.75) (SeaPro) 1 superseded
- 8M0142332 GEAR HOUSING ASSEMBLY Silver (Counter Rotation X-Long) (1.75) (SeaPro) 1 superseded
- 8M0142334 GEAR HOUSING ASSEMBLY Silver (Counter Rotation XX-Long) (1.75) (SeaPro) 1 superseded
- 8M0205802 REPAIR KIT Water Pump Mercury 1
- 8M0142980 IMPELLER REPAIR KIT QuickSilver 1 superseded
- 8M0142979 SEAL KIT 1
- 8M0146648 GEAR SET Forward Gear Pinion 12/21 1.75 Gear Ratio 1
- 8M0146659 GEAR SET Forward Gear Pinion 12/21 (1.75:1) Counter 1
- 8M0146649 GEAR SET Forward Gear Pinion 13/24 (1.85:1) 1
- 8M0146667 GEAR SET Forward Gear Pinion 13/24 (1.85:1) Counter 1
- 8M0237496 BEARING CARRIER KIT Counter Rotation 1
- 8M0237497 BEARING CARRIER KIT Counter Rotation 1
1 8M0145769   GEAR HOUSING ASSEMBLY Basic, Silver (Camber) (Standard) 1 superseded
1 8M0145770   GEAR HOUSING ASSEMBLY Basic, Silver (Camber) (Counter Rotation) 1 superseded
1 8M0145772   GEAR HOUSING ASSEMBLY Basic, Silver (1.75) (SeaPro) 1 superseded
10 8M0063268     SHIM SET 1
11 8M0146553     BEARING ASSEMBLY Cup/Cone 1
12 8M0063267     SHIM SET 1
13 8M0146566     BEARING ASSEMBLY Cup/Cone 1
14 8245191     RETAINER 1
15 8M0142854     O-RING (2.175 x .103) 1
16 880719     RING Retaining 1
17 8M0046297     OIL SEAL CARRIER ASSEMBLY 1
18 8M0146938     GASKET Water Pump Base 1
19 8M0142869     COVER HOUSING Gearcase 1 superseded
2 8M0137814     ANODE Antivent Plate (Aluminum) 1
2 8M0200103     ANODE Antivent Plate (Magnesium) Not Included in Gear Housing Assembly 1
20 8M0142659       SEAL Formed, Actuator 2
21 8M0112903     GASKET Rubber Molded Steel 1 superseded
22 8172771     GASKET Water Pump, Upper 1
23 8172761     FACEPLATE 1 superseded
24 8M0032833     KEY 1 superseded
25 43026T2     IMPELLER 1
26 817275A1     HOUSING KIT Water Pump 1
27 8M0142435     COUPLING Water Pump [3B268654] & Below 1
27 8M0200112     COUPLING Water Pump [3B268655] & Up 1
28 21836       O-RING (.796 x .139) 1 superseded
29 8M0142851     VRING Face Seal 1
3 8M0142850     SCREW (M10 X 25) 2
30 8M0142712     O-RING (0.796 x 0.139) 1
31 1993720     SCREW (M6 x 20) 4 superseded
32 8M0142858     SHIFT SHAFT Long Design I 1 superseded
32 8M0164968     SHIFT SHAFT Long Includes Bushing Design II Design II 1
32 8M0142865     SHIFT SHAFT X-Long Design I 1 superseded
32 8M0164969     SHIFT SHAFT XLong Includes Bushing Design II Design II 1
32 8M0142885     SHIFT SHAFT XX-Long Design I 1 superseded
32 8M0164970     SHIFT SHAFT XX-Long Includes Bushing Design II Design II 1
33 8M0142866     RING Retaining 1
34 8M0142859     BUSHING Shift Shaft Design I 1
34 8M0164967     BUSHING Shift Shaft Design II 1
35 8M0142860       O-RING .706 x .097 1
36 8M0046563       RING Retaining 1
37 8164641     SEAL Oil 1 superseded
38 77674     WASHER (.35 x .75 x .12) 1
39 8M0084244     PIN Dowel, .375 x .620 2
4 8M0142878     PLUG Screw 2
40 79953A04     PLUG ASSEMBLY (.375-16 x .250) SeaPro 2
41 830749       SEAL SeaPro 2 superseded
42 8M0142786 MUFFLER Lower Exhaust 1 superseded
5 8M0146648     GEAR SET Forward Gear Pinion 12/21 Pinion 12 Tooth 1
6 8M0046636       NUT 1
7 8M0062703       WASHER 2
8 8M0045676     BEARING Roller 1
9 8M0146065     DRIVESHAFT KIT Long 1 superseded
9 8M0146066     DRIVESHAFT KIT X-Long 1 superseded
9 8M0146067     DRIVESHAFT KIT XX-Long 1 superseded