Mercury Mercruiser Boat Inboard I/O Motor | 200HP 4.5L Engine

Boat part number 1108658 is a new 2022, 4.5L, 200 HP, Alpha MPI inboard engine from Mercruiser, part number 40450020U .

Designing a V6 block solely for marine use allows Mercury to build the 4.5L with the ultimate protection system, using cast-iron components where the engine intersects with seawater, and using corrosion-resistant aluminum and composites everywhere else.

Thanks to its new, long-runner scroll intake manifold which draws in more air and converts it into additional torque, the 4.5L delivers a ground-breaking power-to-weight ratio and gives you V-8 power in a V-6 package. The 4.5L’s newly designed rear-facing throttle body, anti-whistle throttle plate, engine cover and mounts, lightweight flywheel, fuel-supply module, and structural oil pan all work together to deliver a superior idle, smoothness and low vibration. Resulting in an exceptional driving experience.

Compatible with Alpha outdrives. This engine comes with a power trim pump and power steering cylinder.

This is a new, unregistered engine and does contain a factory warranty. For the warranty to be activated the unit must be installed by an authorized dealer.

Specifications:

• Part Manufacturer: Mercury Mercruiser
• Part Number: 40450020U
• Model Number: NM9XM04.5CAT
• HP: 200
• Model: Alpha MPI (A EC 2R)
• Year: 2022
• Color: Black
• Engine Type: V6
• Full Throttle RPM: 4400-4800
• Displacement: 4.5L (276 CID)
• Bore x Stroke: 4.0 x 3.6" (102 x 92 mm)
• Fuel Delivery: Multi-Point Electronic (MPI)
• Fuel Type: Regular Unleaded 87 Octane
• Ignition: SmartCraft PCM 112 Digital
• Control System: Mechanical / SmartCraft DTS / Electronic Throttle
• Air Induction: Performance Tuned Scroll Intake Manifold
• Exhaust: Through Prop
• Engine Guardian System: SmartCraft
• Warranty: Factory Warranty

All sales on this item are final.

Because of the size and/or commodity of this item, we must ship via truckline. The shown freight cost is for the LOWER 48 STATES ONLY and shipped to a business at a commercial address WITH LOADING DOCK. We can ship to your residence, or possibly a nearby terminal. We can also offer international shipping. Please call or email for a shipping quote if needed.