boating engine / stern-drive / diesel / common-rail



  • Market:


  • Type:


  • Power source:


  • Technology:

    common-rail, turbocharged

  • Other characteristics:

    Tier 2

  • Power:

    Min.: 270 ch (270 hp)

    Max.: 350 ch (350 hp)


Durable and Powerful
Where more power is needed, the 6-cylinder 4.2L rounds out the Mercury Diesel Tier 2 line. Designed for sterndrive and inboard applications and featuring a high-pressure common rail fuel system and SmartCraft capability, this compact diesel offers reduced noise and improved sociability up to 350hp. With a gear-driven camshaft and patented tunnel design crankcase with wet liners, this diesel is extremely durable. Impressive acceleration and precise throttle response are the result of a proven common rail fuel system that includes a turbocharger and seawater aftercooler. An advanced Control Unit with SmartCraft compatibility provides system monitoring and control.

4.2L Features
Compatible with all Bravo sterndrives
Bravo XR Diesel drive standard on 350hp
Turbocharged and seawater aftercooled for quick response and superior performance
High-pressure common rail fuel system
EPA Tier 2, IMO and RCD, BSO/SAV certified
Sterndrive or Inboard
Drop-in replacement for many gasoline engines