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4.3L Mercruiser Engines. Complete Sterndrive Engines and Engine-Only Packages

MerCruiser 4.3LH Specifications

  • Propshaft Horsepower: 205 (153 kW)
  • Displacement (Liter/CID): 4.3L/262
  • Cylinders: V-6
  • Bore & Stroke (inches/mm): 4.00 x 3.48/101 x 88
  • Compression Ratio: 9.4:1
  • Fuel System: 4-BRL
  • Full Throttle RPM Range: 4400-4800
  • Ignition Type: Thunderbolt V
  • Alternator (amps/watts): 55/776
  • Length (inches/cm): 33/84
  • Width (inches/cm): 30/77
  • Height (inches/cm): 21/54
  • Weight (lbs./kg) - Alpha: 840/381
  • Weight (lbs./kg) - Bravo One: N/A
  • Weight (lbs./kg) - Bravo Two: 885/402
  • Weight (lbs./kg) - Bravo Three: 894/406
  • Weight (lbs./kg) - Blackhawk: N/A
  • Gear Ratio - Alpha Drive (primary/optional/high altitude): 1.62/1.47/1.81
  • Gear Ratio - Bravo One (primary/optional/high altitude): N/A
  • Gear Ratio - Bravo Two (primary/optional/high altitude): 2.2/2.0/-
  • Gear Ratio - Bravo Three (primary/optional/high altitude): 2.2/2.43/-
  • Gear Ratio - Blackhawk (primary/optional/high altitude): N/A
  • Audio Alarm: Standard
  • Water-Cooled Fuel System: N/A
  • Knock Control: N/A
  • Water/Fuel Separator: Standard
  • Mercathode (Alpha/Bravo): Kit/Standard

Please note that these prices are negotiable and subject to change. Email us with your offer and we will do everything possible to meet it.




NEW DESIGN PREVIEW · Original catalog details retained. Please confirm part fit and availability before ordering.