2010 EPA REGULATION REQUIRES RETURN OF EXISTING ENGINE WHEN PURCHASING NEW NON-CATALYST EQUIPPED MARINE ENGINES. PLEASE ALLOW 12 - 14 WEEKS DELIVERY ON ALL NEW NON-CATALYST EQUIPPED MOTORS.

A new 4.3L Mercruiser fuel injected bobtail engine to be used with an Alpha sterndrive.

RELIABILITY

• ECM 555 fuel and ignition system along with platinum-tipped spark plugs ensure reliable starts and outstanding performance, year after year
• Exclusive Engine Guardian protection senses potential problems and virtually eliminates the chance for engine damage due to overheating, low oil pressure, or low drive lube
• Dry-joint exhaust eliminates the chance for water to enter engine through leaky gaskets
• Water-separating fuel filter helps protect fuel system and engine against damage
• Proven GM cast iron block V8 power for years of reliable operation
• EDP-coated exhaust elbows better resist high temperature and corrosion
• Brass sea water pump housing improves life and better resists damage from running dry

PERFORMANCE

• Multi-Port Fuel Injection provides easy starts, cold or hot, and automatically adjusts for changes in temperature, weather, or altitude for terrific performance in any environment
• Two-piece, long-runner intake manifold design improves low and mid-range torque for better acceleration and handling heavy loads
• HVS Ignition with knock control maximizes power and protects against low quality fuels
• Standard anti-feedback power steering helps reduces operator fatigue and makes boat handling a breeze
• Low restriction flame arrestor for added horsepower and torque

EASY OWNERSHIP

• 3-year/300 hour maintenance interval on many periodic service items saves time and money
• Convenient top-mounted remote oil filter and threaded dipstick tube make oil changes cleaner and keep periodic servicing quick and simple
• Color-coded service points makes checking fluid levels simple and straightforward
• Operates on easy to find, less expensive 87 octane fuel
• Engine-mounted drive lube monitor for easy lube check or add from inside the boat
• All models come with simple to use water drain systems designed for many boat applications

TECHNOLOGY

• The DTS (Digital Throttle & Shift) option eliminates push-pull cables and related maintenance while providing silky-smooth operation and unsurpassed responsiveness. DTS provides an unprecedented level of control and precision for docking and low-speed maneuvering. Available as an additional option, precision SmartTow speed control includes an easy-to-use launch control that makes pulling skiers and wakeboarders as simple as pushing a button
• Standard features with DTS are: Autosynch of multiple engines, SmartStart, Shift Protection, Multiple Helm capability, and Shadow Technology for triple and quad engine installations
• MerCathode galvanic corrosion prevention system standard on Bravo models, available on Alpha models, offers unmatched active electronic corrosion protection
• MPI engines are designed to display engine information on your choice of analog or SmartCraft digitally-driven gages and displays.

For factory installed engine options, see the table below.

Click here to go to the shim kit that is necessary to mount all new Mercruiser bobtail engines.

An adapter is required when repowering a boat and replacing an engine that had the old style 10 pin connector used up through approximately 2006. Click here to go the adapter.

Go here to see our Mercruiser engine rigging.

This engine comes with a limited 3 year corrosion warranty.

Select the following link to add the required Mercruiser Refundable Container Deposit to your cart. This Product/Container Deposit must be added to your cart when purchasing any Mercruiser Engine or Engine Package products. This deposit will be refunded after the container is returned back to Mercruiser at their expense.

For Hawaii, Alaska, or international shipping prices, please call.

Specifications and prices are subject to change without notice.