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Mercury-Mercruiser 8M0185589 Quicksilver 409 MPI Bravo FWC Engine Only

8M0185589 409 MPI 6.7L Bravo FWC Engine Only
This is a genuine Mercury Marine Quicksilver factory OEM engine, not aftermarket
Please check our current stock level and order below. Use the Contact Us form at the bottom of the page for any questions
Stock status: Not in stock - will be transferred from factory
Manufacturer part number: 8M0185589
GTIN: 678633151590
Pickup or normally ships: Warehouse transfer - on 2nd-7th business day
Manufacturer: Mercury Marine
$37,493.75
$34,869.19
Product Shipping specifications = pounds and inches

8M0185589 Quicksilver 400 HP 409 MPI FWC Bravo Engine Only

400 HP @ 5,800 RPM. 409 cubic inch fully dressed marine engine. Replaces 454 HO, 502 HO, 496 Mag & 406 HO sterndrive engines including SeaCore and Horizon Bravo models.

Replacement for 21- to 31-foot single-engine boats and 28- to 38-foot twin-engine boats built before 2010 (prior to 2008 in California) and powered by 6.2L, 7.4L, 8.1L or 8.2L sterndrive and inboard engines.  Because this is a completely new engine and not a major repair assembly, the old engine being replaced is to be returned per EPA rule 1068.240. BAM Marine will take care of getting your core back to the factory. 

3 Year limited factory warranty! 

  • Multi Port Fuel Injected (MPI) for surefire performance in all conditions
  • Compatible with Mercury® SmartCraft® digital gauges, displays and controls
  • Designed to work with analog (cable) controls
  • Protected by Engine Guardian audio warning system to protect against engine damage
  • Black-X Composite Valves reduce valve wear and help extend engine life especially in presence of modern ethanol blended fuels
  • 100% New Quicksilver Cast Iron Block designed expresssly for marine duty with thicker castings for quieter operation and better durability in saltwater
  • CARB & EPA compliant (requires old engine return for repower - RETURN SHIPPING IS INCLUDED)

 

Power 400 hp (298 kW)
WOT RPM 5000-5800
Displacement 409 cu in (6.7L)
Engine Type Quicksilver V8 iron block and aluminum cylinder heads with Black-X composite valves
Bore & Stroke 4.035 x 4.00 in (102 x 102mm)
Compression Ratio 9.4:1 (with ceramic-coated forged pistons)
Rocker Arm Ratio 1.6:1 (shaft-mounted)
Fuel Compatibility 87 octane minimum / up to 10% ethanol
Engine Control System ECM 555 with SmartCraft CAN Capability
Fuel-Delivery System Gen 2 Cool Fuel (4 bar)
Fuel-Injection System Multi-point fuel injection
Induction System Single-plane intake with 4-blade throttle body
Ignition System HVS with fixed-gap spark plugs
Charging System 65 amp (917 watt)
Water Drain System Single-point air-actuated
Exhaust System Dry joint
Cooling System Closed cooling, long-life 5-year antifreeze, brass seawater pump
Accessory Drive System Serpentine belt
Lubrication System High-flow 100 psi oil pump, 140F oil thermostat, and copper oil cooler
Recommended Engine Oil SAE 25W-50 NMMA Certified FC-W® full synthetic
Audio Warning System Oil pressure, coolant temperature, drive lube, seawater pressure, low voltage, over-rev control (6150 RPM)
Bravo One® X Gear Ratio 1.65:1
Bravo Two X® Gear Ratio 2.00:1 (O), 2.20:1 (P)
Bravo Three X® Gear Ratio 2.00:1 (O), 2.20:1 (P), 2.43:1 (H)
Dimensions (LxWxH) 34.5 x 29.6 x 35.8 in (876 x 752 x 909mm)
Engine Weight 985 lbs (447kg)
Freshwater Cooling Standard
Boat Harness Type  10-pin

8M0185589 Quicksilver 400 HP 409 MPI FWC Bravo Engine Only

400 HP @ 5,800 RPM. 409 cubic inch fully dressed marine engine. Replaces 454 HO, 502 HO, 496 Mag & 406 HO sterndrive engines including SeaCore and Horizon Bravo models.

Replacement for 21- to 31-foot single-engine boats and 28- to 38-foot twin-engine boats built before 2010 (prior to 2008 in California) and powered by 6.2L, 7.4L, 8.1L or 8.2L sterndrive and inboard engines.  Because this is a completely new engine and not a major repair assembly, the old engine being replaced is to be returned per EPA rule 1068.240. BAM Marine will take care of getting your core back to the factory. 

3 Year limited factory warranty! 

  • Multi Port Fuel Injected (MPI) for surefire performance in all conditions
  • Compatible with Mercury® SmartCraft® digital gauges, displays and controls
  • Designed to work with analog (cable) controls
  • Protected by Engine Guardian audio warning system to protect against engine damage
  • Black-X Composite Valves reduce valve wear and help extend engine life especially in presence of modern ethanol blended fuels
  • 100% New Quicksilver Cast Iron Block designed expresssly for marine duty with thicker castings for quieter operation and better durability in saltwater
  • CARB & EPA compliant (requires old engine return for repower - RETURN SHIPPING IS INCLUDED)

 

Power 400 hp (298 kW)
WOT RPM 5000-5800
Displacement 409 cu in (6.7L)
Engine Type Quicksilver V8 iron block and aluminum cylinder heads with Black-X composite valves
Bore & Stroke 4.035 x 4.00 in (102 x 102mm)
Compression Ratio 9.4:1 (with ceramic-coated forged pistons)
Rocker Arm Ratio 1.6:1 (shaft-mounted)
Fuel Compatibility 87 octane minimum / up to 10% ethanol
Engine Control System ECM 555 with SmartCraft CAN Capability
Fuel-Delivery System Gen 2 Cool Fuel (4 bar)
Fuel-Injection System Multi-point fuel injection
Induction System Single-plane intake with 4-blade throttle body
Ignition System HVS with fixed-gap spark plugs
Charging System 65 amp (917 watt)
Water Drain System Single-point air-actuated
Exhaust System Dry joint
Cooling System Closed cooling, long-life 5-year antifreeze, brass seawater pump
Accessory Drive System Serpentine belt
Lubrication System High-flow 100 psi oil pump, 140F oil thermostat, and copper oil cooler
Recommended Engine Oil SAE 25W-50 NMMA Certified FC-W® full synthetic
Audio Warning System Oil pressure, coolant temperature, drive lube, seawater pressure, low voltage, over-rev control (6150 RPM)
Bravo One® X Gear Ratio 1.65:1
Bravo Two X® Gear Ratio 2.00:1 (O), 2.20:1 (P)
Bravo Three X® Gear Ratio 2.00:1 (O), 2.20:1 (P), 2.43:1 (H)
Dimensions (LxWxH) 34.5 x 29.6 x 35.8 in (876 x 752 x 909mm)
Engine Weight 985 lbs (447kg)
Freshwater Cooling Standard
Boat Harness Type  10-pin
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