Mercruiser 357 Alpha 4V Rebuilt Complete Engine
Mercruiser 357 Alpha 4V Rebuilt Complete Engine Mercruiser 357 Alpha 4V Rebuilt Complete Engine Mercruiser 357 Alpha 4V Rebuilt Complete Engine Mercruiser 357 Alpha 4V Rebuilt Complete Engine
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Mercruiser 357 Alpha 4V Rebuilt Complete Engine

Reinvigorate your boat with the Mercruiser 357 Alpha 4V. With a 4BBL carburetor, this complete engine is Drop In Ready and fully prepared to kick-start your vessel!

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$8,795.99
SKU
F&I-STKM02529

Don't just repower--power up! The world-famous 357 Alpha will breathe new life into your runabout, sport boat or pontoon boat when replacing a 4.3L, 5.0L, or 5.7L engine.

 

Part number
  • 865108R88
HP / kW @ flywheel
  • 275 / 205
Maximum RPM (WOT)
  • 4400 - 4800
Engine type
  • V-8 Remanufactured Iron Marine Block
Displacement (CID/L)
  • 357 / 5.8
Bore and stroke
  • 4.04 x 3.48" / 103 x 88 mm
Compression ratio
  • 9.4:1
Fuel ethanol tolerance
  • Up to 10%
Engine control system
  • Thunderbolt V w/Knock Control
Fuel delivery system
  • 4V carburetor and electric fuel pump
Fuel injection system / carburetor type
  • 750 cfm Weber 4V with electric choke
Air induction
  • Dual plane aluminum intake manifold with brass water crossover
Alternator amp / Watt
  • 65 amp / 917 watt
Water drain system
  • Multi-point drain
Exhaust system
  • Electro-deposition paint coated warm iron manifold with wet joint elbow
Cooling system
  • 160F Raw Water
Accessory drive system
  • Serpentine belt
Lubrication system
  • High Flow 60 psi Oil Pump
Recommended oil
  • Mercury MerCruiser Synthetic Blend 25W-40, NMMA Certified FC-W Synthetic Blend
Pistons
  • Cast Hypereutectic Alloy
Cranktrain
  • Powder Metal Rods and Nodular Iron Crankshaft
Rocker arms
  • 1.5:1 Stamped Steel
Dimensions (L x W x H)
  • 32 x 30 x 22" / 814 x 740 x 559 mm
Weight (engine only)
  • 871 lbs / 395 kg
Compatible drives (application dependent - contact sales or service)
  • Alpha 1.47:1
  • Alpha 1.81:1
More Information
Condition Remanufactured
Brand Mercruiser
Liters 5.7L
Cubic In. 357ci
Horsepower 275 hp
Engine Configuration Complete
Fuel Type Gas
Fuel System Carbureted
Rear Main 1pc Rear Main
Drive Application Sterndrive
Engine Rotation Standard Rotation