4.3L V6 GM Vortec Marine Base Engine


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All engine prices are plus discounted freight to your destination

Replacement for MerCruiser, OMC, and Volvo. Engine is available for the direct replacement of 1999-Up Vortec 4.3L engine. 1996-98 engines require the use of a metric bolt kit and flywheel.

4.3L New Base Engine

Engine Details 

  • Displacement: 4.3L (262 CID)
  • Horsepower: 226 hp @ 4800 RPM
  • Torque: 265Ib-ft @ 4000-RPM
  • 1 Piece Rear Main Seal
  • Balance-Shaft
  • 8 Bolt Pattern Style for Intake Manifold

Engine Includes:

  • Valve Covers
  • Composite Timing Cover
  • Oil Pan
  • Water Pump


This engine features a Roller Camshaft and a Balance shaft for a smooth running power plant.  This engine is built by GM as a Marine Engine.  Please don't confuse this with others selling automotive engines and calling them marine.

The 4.3 Liter 262 Cubic inch engine is very popular in the 18 to 25 foot runabout boats.  This engine is a Direct Replacement for all 4.3 Liter engines produced 1996 and later but will easily replace all 4.3 Liter engines.  For early engines you may need to install an Electric Fuel Pump.  There is no provision for putting a mechanical fuel pump on the engine.

1 Year Limited Warranty

Call (252) 504-3355 or click here for more information
(Pricing, availability and specifications may change without notice)