Mercruiser 4.3L Alpha 4v Plus Series
Mercruiser 4.3L Alpha 4v Plus Series Mercruiser 4.3L Alpha 4v Plus Series Mercruiser 4.3L Alpha 4v Plus Series Mercruiser 4.3L Alpha 4v Plus Series
5.7L/350ci GM Vortec Longblock

5.7L/350ci GM Vortec Longblock

Mercruiser 3.0L TKS Crate Engine 8M0123362

Mercruiser 3.0L TKS Crate Engine 8M0123362

Mercruiser 4.3L Alpha 4v Plus Series

Mercruiser 4.3L Alpha 4v Plus Series Engine Only

FREE SHIPPING
ON $49*

30 DAY
RETURN POLICY

1 Year Warranty on
Selected Items!

$7,850.99
SKU
F&IMOD-4.3LALPHA4V

Mercruiser 4.3L Alpha 4v Plus Series Engine Only - 225hp. Complete running engine with a Mercruiser Factory Backed 1 Year Warranty

Part number
  • 865108R89
HP / kW @ flywheel
  • 225 / 168
Maximum RPM (WOT)
  • 4400 - 4800
Engine type
  • V-6 Remanufactured Iron Marine Block
Displacement (CID/L)
  • 265 / 4.3
Bore and stroke
  • 4.03 x 3.48" / 102 x 88 mm
Compression ratio
  • 9.4:1
Fuel ethanol tolerance
  • Up to 10%
Engine control system
  • Thunderbolt V
Fuel delivery system
  • 4V carburetor and electric fuel pump
Fuel injection system / carburetor type
  • 600 cfm Weber 4V with electric choke
Air induction
  • Dual plane iron intake manifold
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 Full Roller Steel
Dimensions (L x W x H)
  • 28 x 30 x 22" / 696 x 740 x 559 mm
Weight (engine only)
  • 784 lbs / 356 kg
Compatible drives (application dependent - contact sales or service)
  • Alpha 1.47:1
  • Alpha 1.62:1
  • Alpha 1.81:1
More Information
Condition Factory Certified Pre-Owned
Parts Brand Select brand
Brand Mercruiser