MERCRUISER GM454746 Gm Block Engine 454/7.4

( Brand: Mercruiser ), ( Manufacturer Part Number: GM454746 ), ( Part Type: Block Engine ), ( Non-domestic Product: No ), ( Stroke: 4-stroke ), ( Warranty: 2 Year ), ( Engine Hp : 330 ), ( Country/region Of Manufacture: United States ), ( Rotation: Left-hand )

Review MERCRUISER Gm 454/7.4 Generation #6 Replacement Long Block Engine fits 454

The Mercruiser GM454/7.4 Block Engine (GM454746) is a powerful and reliable marine engine, engineered for high-performance applications. This engine block is specifically designed for the Mercruiser GM Series, and it's built to withstand the rigors of marine use.

The GM454746 block features a cast-iron construction, ensuring durability and resistance to corrosion, which is crucial in marine environments. The engine block is equipped with four-bolt main caps and five-bolt cylinder heads, providing enhanced strength and stability. This design allows the engine to handle the high torque and horsepower output, making it suitable for larger boats and high-speed applications.

The engine block features a bore of 4.06 inches and a stroke of 4.0 inches, resulting in a displacement of 454 cubic inches. This displacement, combined with the engine's high-compression ratio, allows it to generate substantial power, typically in the range of 350 to 400 horsepower.

The Mercruiser GM454746 block is also known for its ease of maintenance. It has a wet-sump lubrication system, which keeps the engine well-oiled, reducing wear and tear. The engine block is also designed with easy access to crucial components, making routine maintenance tasks more manageable.

In summary, the Mercruiser GM454746 block engine is a robust and reliable option for high-powered marine applications. Its cast-iron construction, four-bolt main caps, and five-bolt cylinder heads ensure strength and stability. The engine's bore, stroke, and high-compression ratio allow it to generate substantial power, while its wet-sump lubrication system and easy maintenance access make it a practical choice for boat owners.

1. Reliability: Mercruiser engines are known for their durability and reliability, making them a popular choice among boat owners.

2. Power: The GM454/7.4 block engine is a powerful option, offering up to 454 horsepower, which is ideal for high-performance boats or those carrying heavy loads.

3. Availability of Parts: Mercruiser engines are widely available, and parts are relatively easy to find, making repairs and maintenance less of a hassle.

4. Quality: Mercruiser engines are built with high-quality materials and precise engineering, ensuring long-term performance and durability.

1. Cost: The cost of a new Mercruiser GM454/7.4 block engine can be quite high, which may be a barrier for some potential buyers.

2. Complexity: Mercruiser engines can be quite complex, which may require specialized knowledge or expertise for maintenance and repairs.

3. Weight: The GM454/7.4 block engine is a heavy engine, which may impact the overall weight and performance of the boat.

The Mercruiser GM454/7.4 block engine is a reliable, powerful, and high-quality engine option for boat owners. However, the high cost and complexity of the engine may be a concern for some potential buyers. If you have the budget and the necessary expertise, the GM454/7.4 block engine can provide excellent performance and durability for your boat.

If you are in the market for a powerful engine for your high-performance boat, the Mercruiser GM454/7.4 block engine is a strong contender. However, it is important to consider your budget and the level of expertise required for maintenance and repairs. If you are not comfortable with the high cost or complexity of the engine, there may be other options that better fit your needs and budget.

Details:

Set up for 6-bolt timing cover. Remanufactured/Rebuilt/Refurbished/Re powered Long Block. All bearings-cam/rod/main new. Replacement for.

Rocker arm assembly new or refurbished. Oil pump new. Crankshaft new or refurbished. Estimated hipping times may vary by season.

Pistons new. Limited Warranty: 2-Year Warranty included with purchase. Push rods new or refurbished. Left Hand Rotation.

Cylinder Heads refurbished. Block refurbished. Timing components new. Customer Pick-up Free.

Long Block includes the following, with new and refurbished internal parts. Camshaft new or refurbished. Connecting rods new or refurbished. Pleasure craft.

Engine is clean, painted, and torqued to perfection. Lifters new.

part #: gm454746 prices

• $4595.00-$5863.00

specifications completegengin:

• brand: Mercruiser
• mpn: Gm454746
• part type: Block Engine
• non-domestic product: No
• stroke: 4-stroke
• warranty: 2 Year
• engine hp : 330
• country/region of manufacture: United States
• rotation: Left-hand

offer completegengin:

• options: Ship-to-home
• started: August 1, 2024
• sold: 0
• quantity: 3
• availability: In Stock

seller completegengin:

• # reviews: 169
• rating: 100.0%
• city: Hialeah, Florida

returns completegengin:

• policy: Returns Accepted
• paid by: Seller
• time: 30 Days

payments completegengin:

• wallet: Google-pay
• credit card: American-express
• other

shipping completegengin:

general completegengin:

• Boat Parts > Inboard Engines Components > Complete Gas Engines
• condition: Remanufactured

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