2012 Mercury MerCruiser Sterndrive 4.3 MPI ECT

Versatile platform that’s a great fit for everything from runabouts to pontoons to houseboats


  • Displacement Liter/CID : 262 CID / 4.3 L
  • Cylinder/Configuration : V-6
  • Bore & Stroke (in/mm) : 4.00 x 3.48in / 101 x 88mm
  • Compression Ratio : 9:4:1
  • Cooling System : Raw water, Thermostatically controlled
  • Full Throttle RPM Range : 4400-4800
  • Ignition System : Crank fired high voltage switch with knock control
  • Accessory Drive System : Serpentine belt
  • Engine Guardian System : High coolant temperature, Knock control, Low drive lubricant, Low oil pressure, Low sea water pressure, Low voltage, Over-rev
  • Recommended Oil : Mercury MerCruiser Full-Synthetic Engine Oil, 20W-40, NMMC FC-W rated

  • Engine Control System : ECM 07 with SmartCraft CAN capability
  • Fuel Delivery System : Cool Fuel
  • Fuel Injection System : Multi-point electronic fuel injection (EFI)
  • Water Drain System : Single point manual drain (Alpha), Three-point manual (Bravo)
  • Dimensions (LxWxH) in : 28in x 30in x 22in
  • Dimensions (LxWxH) mm : 696mm x 740mm x 559mm
  • Exhaust System : Iron manifolds with electro-deposition paint coated dry joint exhaust elbow
  • Weight (lbs/kg) : 775lbs / 352kg
  • Boat Types : Deckboat, Fish, Pontoon, Runabout (cuddy), Runabout (open bow), Sportboat (sterndrive)
  • Emissions Control Technology : Yes*
  • Recommended Fuel : 87% octane / up to 10% ethanol


  • HP/Kw @ Prop : 220 / 162


  • Driven to Perform: A MerCruiser 4.3L engine can team up with several of Mercury’s popular drives – including Alpha and Bravo – for robust long-term durability. Standard on Bravo drive models and available on Alpha One drives, Mercathode Corrosion Protection is an active cathodic corrosion-protection system that feeds electrons to underwater hardware and drive units, bolstering your sterndrive’s toughness against the corrosive wear and tear of regular use.
  • High Tech, Low Stress: You want the performance without the headaches.That’s why Mercury is committed to developing innovative and sound technology that contributes to a more seamless boating experience. MerCruiser’s 4.3L sterndrives feature Engine Guardian technology that monitors your engine’s vitals to help protect your investment for the long-run; power steering reduces the effort needed for steering while providing enhanced hull control at all speeds. Now, that’s more like it.
  • Power You Can Count On: MerCruiser’s 4.3L sterndrives are built to give you that classic Mercury burst with the stamina to run all day long, and then some. The strapping V6 design lends toughness, power, and efficiency, while ensuring reliable, purring starts every time. Put that all together, and you’ve got a rock-solid package that’s ready for liftoff.

Specifications are subject to change without notice