Mercury Quicksilver 8M0185589 409 MPI 6.7L Bravo FWC Marine Engine

The Mercury Quicksilver 8M0185589 is a premium 400-horsepower, 409 cubic inch (6.7L) V8 marine engine designed for sterndrive applications with Bravo drive systems. This fully dressed, drop-in ready engine delivers exceptional performance for classic sterndrive cruisers and performance boats.

Key Features:

• 400 HP @ 5,800 RPM with flat-plane crankshaft design for serious torque
• 409 cubic inch (6.7L) displacement V8 configuration
• Multi-Port Fuel Injection (MPI) for reliable performance in all conditions
• Fresh Water Cooling (FWC) system for enhanced durability
• 100% new Quicksilver cast iron block designed for marine duty with thicker castings
• Black-X composite valves reduce wear and extend engine life with ethanol-blended fuels
• Compatible with Mercury SmartCraft digital gauges and controls
• Engine Guardian audio warning system protection
• CARB and EPA compliant
• 3-year limited factory warranty

This engine replaces 454 HO, 502 HO, 496 Mag, and 406 HO sterndrive engines including SeaCore and Horizon Bravo models. Genuine Mercury Marine OEM engine, fully dressed and ready for installation. Note: Adapting to specific applications may require transferring parts from original engine or purchasing additional components such as flywheel housings, couplers, engine mounts, or transmission adapters.