fits model: 454.

( Brand: Mercruiser ), ( Manufacturer Part Number: D244-2 ), ( Part Type: Block ), ( Engine Hp : Approx.300hp ), ( Country/region Of Manufacture: United States )
The D244-2 454 Big Block Mercruiser is a powerful and highly capable outboard engine, designed for serious boaters and fishermen who demand the best in performance and reliability. This engine is equipped with a 454 cubic inch, big block V8 engine that delivers an impressive 350 horsepower at 4600 RPM. The engine is mated to a Mercruiser Bravo III outdrive, which provides excellent maneuverability and allows for shallow water operation.
The D244-2 454 Big Block Mercruiser features a high-tech fuel injection system, which delivers precise and efficient fuel delivery to the engine, helping to improve performance and reduce emissions. The engine is also equipped with a high-performance cooling system, which includes a heavy-duty water pump and an aluminum radiator, ensuring that the engine stays cool and runs smoothly even in the hottest conditions.
The D244-2 454 Big Block Mercruiser is built to last, with high-quality materials and construction techniques. The engine block is made of cast iron, while the cylinder heads are made of aluminum, which helps to reduce weight and improve thermal efficiency. The engine is also equipped with heavy-duty bearings, pistons, and connecting rods, ensuring that it can handle the rigors of heavy use.
The D244-2 454 Big Block Mercruiser is also easy to maintain and service, with easy-to-reach components and a user-friendly design. The engine is equipped with an oil filter, which helps to keep the engine lubricated and running smoothly, and the engine oil capacity is a generous 10 quarts, ensuring that the engine has plenty of oil to operate effectively.
In conclusion, the D244-2 454 Big Block Mercruiser is a powerful and reliable outboard engine that is perfect for serious boaters and fishermen. With its impressive horsepower, high-tech fuel injection system, and heavy-duty construction, this engine is built to handle the demands of heavy use and provide years of reliable service. Whether you're cruising the open sea or fishing in shallow waters, the D244-2 454 Big Block Mercruiser is the engine you need to get the job done.
Pros of buying a D244-2 454 Big Block Mercruiser:1. Power: The 454 cubic inch engine provides an impressive amount of power, making it suitable for high-speed boating and towing.
2. Durability: The Mercruiser brand is known for its robustness and reliability, which can translate into fewer repairs and maintenance costs over time.
3. Versatility: This engine can be used in various types of boats, including sport, fishing, and cruising boats.
Cons of buying a D244-2 454 Big Block Mercruiser:1. Fuel efficiency: Due to its large size and power, the 454 Big Block engine consumes a significant amount of fuel, which can lead to higher operating costs.
2. Weight: The engine's weight can contribute to the overall weight of the boat, which may affect its performance and handling, especially in lighter boats.
3. Cost: The price of the engine and the installation can be quite high, making it a more expensive option compared to smaller engines.
Conclusion: The D244-2 454 Big Block Mercruiser is a powerful and reliable engine that can provide an enjoyable boating experience. However, its high fuel consumption, weight, and cost should be considered before making a purchase. If these factors are not a concern for you and you value the engine's power and versatility, the D244-2 454 Big Block Mercruiser may be an excellent choice for your boating needs.
Motor needs disassembly and light overhaul in my opinion. 3v 6,s, multiple outboards-up to 250hp, and diesel. Many other motors available 350 v8's,3 liter 4 cylinder, 4. This engine came out of a running boat owner wanted new motor.
No carb or intake manifold, distributor, risers exhaust.