Mercury Big Block V8 Marine Engine
MerCruiser 8.2 MAG HO engine.
MerCruiser 8.2L inboard marine engine.
Mercury Horizon 28" outboard motor engine.
MerCruiser inboard marine engine
Black and silver marine engine with belts.
MerCruiser marine engine with black belts.
Mercury outboard boat engine with sterndrive.

8.2L MAG V8 Sterndrive

$21,143.00 – $29,621.00

The big-block, big-displacement V-8 that believes going fast through the water shouldn’t mean going fast through the fuel. No trade-ofs. Ever again. Starts with Multi-Port Fuel Injection (MPI), a system that puts every cubic inch, every drop of fuel to work, fully applied to driving the vessel. No wasted efort, no wasted fuel. Don’t waste your weekends on anything less.

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Description

  • Big displacement block with a long-runner intake manifold forces more air for greater torque and acceleration. Superior performance with lower fuel consumption.
  •  High-octane performance on lower-octane fuel. 87 optional compatibility.
  • High-performance aluminum cylinder heads boost mid-range acceleration.
  • Optional Digital Throttle & Shift (DTS) for extra-smooth shifting and throttle response. No lag, no “clunks.”
  • Multi-layer corrosion protection for unmatched fresh or saltwater durability

Additional information

Horsepower

380 MAG, 430 MAG H.O.
Seacore

NO, YES

Full Product Specs MAG H.O.

HP / kW
  • 430 / 321
Maximum RPM (WOT)
  • 4600 – 5000
Engine type
  • V-8
Displacement (L)
  • 8.2
Bore and stroke
  • 4.47 x 4.00″ / 113.5 x 101.6 mm
Compression ratio
  • 8.75:1
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Engine control system
  • PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
Fuel delivery system
  • Multi-point Electronic Fuel Injection (MPI)
Air induction
  • High inertia induction system
Ignition
  • Distributorless ignition with knock control
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Single point air actuated
Exhaust system
  • Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows
Cooling system
  • Brass sea water pump
  • Closed cooling
  • Long life 5-year antifreeze
Accessory drive system
  • Auto-tensioner
  • Serpentine belt
Recommended oil
  • NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system
  • SmartCraft Engine Guardian
Dimensions (L x W x H)
  • 35 x 33 x 24″ / 878 x 838 x 610 mm
Weight (engine only)
  • 1,122 lbs / 509 kg
Compatible drives
  • Bravo One X
  • Bravo One XR
  • Bravo Three X
  • Bravo Three XR
  • Bravo Two X

Full Product Specs MAG

HP / kW
  • 380 / 283
Maximum RPM (WOT)
  • 4600 – 5000
Engine type
  • V-8
Displacement (L)
  • 8.2
Bore and stroke
  • 4.47 x 4.00″ / 113.5 x 101.6 mm
Compression ratio
  • 8.75:1
Recommended fuel
  • Unleaded Regular 87 Octane Minimum (R+M/2) or 90 RON 10% Ethanol Maximum
Engine control system
  • PCM 09 with SmartCraft CAN capability OBD-M diagnostics Dual oxygen sensors
Fuel delivery system
  • Multi-point Electronic Fuel Injection (MPI)
Air induction
  • High inertia induction system
Ignition
  • Distributorless ignition with knock control
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Single point air actuated
Exhaust system
  • Tuned runner exhaust manifolds with 316 stainless steel tubular dry joint elbows
Cooling system
  • Brass sea water pump
  • Closed cooling
  • Long life 5-year antifreeze
Accessory drive system
  • Auto-tensioner
  • Serpentine belt
Recommended oil
  • NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system
  • SmartCraft Engine Guardian
Dimensions (L x W x H)
  • 35 x 33 x 24″ / 878 x 838 x 610 mm
Weight (engine only)
  • 1,122 lbs / 509 kg
Compatible drives
  • Bravo One X
  • Bravo One XR
  • Bravo Three X
  • Bravo Three XR
  • Bravo Two X

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