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Built for marine.
Mercury MerCruiser engines and drive systems are designed, tested, and built exclusively for the marine environment. That translates to best-in-class reliability, dependability, and long-lasting performance. Patented metallurgy technology. State-of-the-art electronics. Robust manufacturing. Grueling lab, endurance, and open-water testing. What goes into a Mercury MerCruiser determines what you get out. Easy maintenance, low cost of ownership, and true peace of mind.
Others can't compare.
Mercury MerCruiser has a heritage of durability and performance that others can only dream about. Nothing compares to the efficiency and well-mannered power of a Mercury MerCruiser. Ultra-responsive acceleration. Impressive maneuverability. Superior durability for unmatched performance. And the large displacement of a Mercury MerCruiser means it will barely break a sweat, all while being one of the easiest to maintain engines you'll ever own.
Out in front where it counts.
Electronic controls that make boating simpler than ever. Engine-monitoring systems that eliminate worries. Emissions Control Technology that makes you feel good about running cleaner with less environmental impact. Mercury MerCruiser leads the industry in innovations that make boating better. For you and the world around you.
HP / kW
370 / 276
Maximum RPM (WOT)
4000-5400 (Jet pump applications will limit max RPM based on jet pump and impeller capabilities)
Engine type
V8, 2-valve/cylinder pushrod
Displacement (L)
Bore and stroke
4.0 x 3.75" / 101.6 x 95.25 mm
Fuel requirement
90 RON 10% Ethanol Maximum
Engine control system
SmartCraft PCM 112 Digital Inductive
Smart Start Electric
Air induction
Performance-Tuned Long-Runner Intake Manifold
SmartCraft PCM 112 Digital Inductive
Alternator amp / Watt
Fully regulated belt-driven 70 amp (882 watt)
Water drain system
Air actuated + four-plug manual drain "Season Extender"
Exhaust system
Through transom
Cooling system
Fresh water cooled (closed cooling)
Lubrication system
Integrated wet sump
Recommended oil
NMMA Certified FCW 25W-40 Synthetic Blend
Engine guardian system
SmartCraft Engine Guardian
Dimensions (L x W x H)
43.5" x 30" x 30" / 1104.9 x 762 x 762 mm
Weight (engine only)
935 lbs / 424 kg