New Mercury & Mariner 3-Cylinder 2-Stroke 1998-2007 40/50 HP & 1991-2010 50/60 HP Outboard Powerhead Parts Diagrams
This page offers a curated selection of both OEM and reliable aftermarket powerhead components tailored specifically for Mercury and Mariner 3-cylinder outboard engines within the following ranges:
- 40–50 HP models from 1998 to 2007
- 50–60 HP models from 1991 to 2010
Available parts include:
- Gaskets and complete gasket kits
- Carburetor rebuild kits
- Fuel pump kits (e.g., check valve fuel pump)
- Crankshaft components (upper crank seals, crank bearings, center main bearings)
- Connecting rods and rod bolts
- Wrist pin bearings
- Thermostats and related durable engine parts
Everything is sourced for accuracy and compatibility, from trusted brands like Red Rhino and Pro Marine, offering a mix of affordability and performance.
- Thermostat
We recommend the following kits for this powerhead:
The following diagram is for a Mercury/Mariner Crankshaft Assembly for 3 Cylinder 40-50 HP models from 1998-2007, and 50-60 HP models from 1991-2010. The following parts correspond to the numbers on this diagram:
- Wrist Pin Bearings
- Rod Bearings
- Lower Main Bearing
- Upper Crank Seal
- Upper Crank Bearing
- Connecting Rod
Although not numbered on the diagram, the following items are available for purchase:
13 of 13 Items
13 of 13 Items