Mercury & Mariner 1994-2006 3.0L 225 & 250 HP Carb & EFI Outboard Powerhead Parts Diagrams
Explore our extensive catalog of OEM-quality replacement parts for Mercury & Mariner V6 3.0L 225–250 HP outboard engines, compatible with both carbureted and EFI models from 1994 to 2006. Whether you're rebuilding powerheads, sourcing crankshaft seal kits, pistons, rod bearings, head O-ring kits, or Gasket Kits, we offer precise parts, including diagrams for accurate identification. Our selection includes rebuild kits, individual components, and performance upgrades like Red Rhino pistons (standard, +0.015, +0.030 oversizes). Serving marine professionals and DIY enthusiasts alike, we support your rebuilt projects with reliable parts and expert service.
The diagram above is for a Mercury & Mariner Powerhead for V6 3.0L 225/250 HP Carb/EFI models from 1994-2006. The following parts correspond to the numbers on this diagram:
We recommend the following kits for this powerhead:
The diagram above is for a Mercury/Mariner Crankshaft Assembly for V6 3.0L 225/250 HP Carb/EFI models from 1994-2006. The following parts correspond to the numbers on this diagram:
- Rod Bearing with Cage
- Wrist Pin Bearings
- Lower Main Bearing
- Rod Bolt
- Upper Crank Bearing
- Center Main Bearing
- Crankshaft Wear Sleeve
- Crankshaft Seal Kit
- Connecting Rod