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MerCruiser Plus Series 8.1 Horizon Inboard Engine 375 HP 8M0088282 8M0088283

$18,618.75 $17,198.35
(You save $1,420.40)
SKU:
714-8M0088282
Availability:
Same Day Ship Before 3:00 est
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Product Description

MerCruiser Plus Series 8.1 Horizon

370 Crankshaft Horsepower

The ideal big-block repower for your inboard yacht. This is the ideal replacement inboard engine for any make of 7.4, 454, 8.2, 502 or 8.1 engines that power twin-engine inboard boats.

Call with any questions 1-856-232-6969 ext 1

MerCruiser Plus Series engines are the absolute best option for re-powering! Built from a "Re-Manufactured" block with ALL NEW PARTS.

REMAN BY MERCURY, NOT US!
 
Some of the Details:
  • MerCruiser Marine Block, CNC machined, Line bored cam and mains, Max 0.040" CNC overbore - CNC honed - CNC deck machining, Marine-duty gaskets, NEW Hypereutectic pistons are Stronger than factory pistons, NEW Valves & Springs, Marine cylinder heads, New marine water pump, New or polished marine camshaft - never reground!, Marine oil pan and windage tray, New high flow oil pump.
  • Fully Inspected by Mercury marine before shipment: - Hot tested - Pressure checked - Compression checked - UV light and dye leak check

 

Specifications

Part number
  • 8M0088282 - inline (transmission not included) / 8M0088283 V-drive (transmission not included)
HP / kW @ flywheel
  • 375 / 272
Maximum RPM (WOT)
  • 4200 - 4600
Engine type
  • Remanufactured 8.1L Mercury V-8 iron block and heads
Displacement (CID/L)
  • 496 / 8.1
Bore and stroke
  • 4.25 x 4.38" / 108 x 111 mm
Compression ratio
  • 9.1:1 with hypereutectic pistons
Fuel requirement
  • 87 octane (R+M)/2
Engine control system
  • PCM 555
Fuel delivery system
  • GEN III cool fuel
Fuel injection system / carburetor type
  • Sequential multi-point electronic fuel injection (MPI)
Air induction
  • Two-piece long runner intake with 75 mm throttle body (80 mm w/DTS)
Ignition
  • Distributorless ignition with knock control
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Single point air actuated
Exhaust system
  • Iron manifolds with 4" / 102 mm diameter 316 stainless steel dry joint exhaust elbows
Cooling system
  • Brass sea water pump
  • Closed cooling
  • Long life 5-year antifreeze
Accessory drive system
  • Serpentine belt
Lubrication system
  • High flow oil pump and copper engine oil cooler
Recommended oil
  • SAE 25W-40 NMMA Certified FC-W Synthetic Blend
Engine guardian system
  • Exhaust manifold temperature
  • High coolant temperature
  • Knock control
  • Low oil pressure
  • Low voltage
  • Low water pressure
  • Over-rev
  • Transmission temperature
Transmission coupler
  • Dual-stage coupler - must be changed for 72C transmissions
Dimensions (L x W x H)
  • 47 x 33 x 24" / 1194 x 838 x 610 mm when installed with transmission
Weight (engine only)
  • 1130 lbs / 513 kg when installed with transmission

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