MERCRUISER BG74AZ Gm Reverse Rotation Base Engine 454/7.4

( Brand: Mercruiser ), ( Manufacturer Part Number: BG74AZ ), ( Part Type: Reverse Engine ), ( Non-domestic Product: No ), ( Stroke: 4-stroke ), ( Warranty: 2 Year ), ( Engine Hp : 330 ), ( Country/region Of Manufacture: United States ), ( Rotation: Right-hand )

Review MERCRUISER Gm 454/7.4 Generation #4 Reverse Rotation Replacement Base Engine fits 454

Mercruiser BG74AZ GM 454/7.4 Base Engine with Reverse Rotation

The Mercruiser BG74AZ GM 454/7.4 Base Engine is a powerhouse designed for marine applications, offering a unique combination of performance, reliability, and innovative technology. This engine is a part of the renowned Bravo series, known for its exceptional power delivery and smooth operation.

The BG74AZ engine boasts a displacement of 454 cubic inches (7.4 liters), delivering ample torque and horsepower to drive your boat with confidence. Its reverse rotation design is a standout feature, offering enhanced maneuverability in tight spaces or during docking, providing you with superior control over your vessel.

This engine is equipped with a single-stage, gear-driven, freshwater-cooled, and pressure-lubricated system for optimal temperature regulation and extended component lifespan. The induction system features a high-tech electronic fuel injection (EFI) system, ensuring precise fuel delivery for maximum efficiency and reduced emissions.

The Mercruiser BG74AZ GM 454/7.4 Base Engine is built with a robust aluminum alloy block and four-bolt main bearing caps for added durability. Its flywheel is balanced for smooth operation, and the engine is compatible with a wide range of Mercruiser drives for flexible installation options.

Safety features include a digital control module with a built-in diagnostic system, allowing you to quickly identify and address any potential issues. Additionally, the engine comes with a factory-installed freshwater cooling pump and a heat exchanger, ensuring reliable operation even in challenging marine environments.

In summary, the Mercruiser BG74AZ GM 454/7.4 Base Engine is an excellent choice for those seeking a powerful, reliable, and easy-to-maintain engine for their marine applications. Its reverse rotation design, advanced EFI system, and robust construction make it a standout option in the marine engine market.

The Mercruiser BG74az GM 454/7.4 reverse rotation base engine, while a powerful and versatile option, comes with its own set of advantages and disadvantages. Here's a brief analysis:

1. Powerful: This engine delivers a substantial amount of power, making it suitable for high-performance applications. The 454 cubic inches displacement ensures ample torque and horsepower.

2. Reverse Rotation: The reverse rotation feature can be beneficial in certain applications where it allows for improved steering and maneuverability.

3. Durable: Mercruiser engines are known for their durability and robustness, which can contribute to a longer lifespan.

4. Wide Availability: Parts for this engine are relatively easy to find, making maintenance and repairs less of a challenge.

1. Size: The engine's size might make it less suitable for smaller boats or applications where space is a concern.

2. Fuel Consumption: Due to its high power output, this engine may consume more fuel compared to smaller or less powerful engines.

3. Weight: The engine's weight might be a disadvantage in applications where weight reduction is a priority.

4. Cost: Given its size, power, and features, this engine tends to be pricier than smaller, less powerful options.

In conclusion, the Mercruiser BG74az GM 454/7.4 reverse rotation base engine is an excellent choice for those seeking high power and versatility, especially in larger boats or applications that require a reverse rotation engine. However, potential buyers should carefully consider the engine's size, weight, and fuel consumption before making a decision. If these factors are not major concerns, this engine could be a worthwhile investment for those who demand performance and reliability.

Details:

Left Hand Rotation. Oil pump new. Camshaft new or refurbished. Cylinder Heads refurbished.

Limited Warranty: 2-Year Warranty included with purchase. Customer Pick-up Free. Timing cover new. Oil pan new.

Pistons new. Rocker arm assembly new or refurbished. Crankshaft new or refurbished. Set up for 6-bolt timing cover.

Pleasure craft. Valve covers new. Base Engine includes the following, with new and refurbished internal parts. Engine is clean, painted, and torqued to perfection.

Lifters new. Estimated hipping times may vary by season. Connecting rods new or refurbished. Remanufactured/Rebuilt/Refurbished/Re powered Base Engine.

Push rods new or refurbished. Block refurbished. Timing components new. Replacement for.

All bearings-cam/rod/main new.

part #: bg74az price

• $5295.00

specifications completegengin:

• for models: 454
• brand: Mercruiser
• mpn: Bg74az
• part type: Reverse Engine
• non-domestic product: No
• stroke: 4-stroke
• warranty: 2 Year
• engine hp : 330
• country/region of manufacture: United States
• rotation: Right-hand

general completegengin:

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

seller completegengin:

• city: Hialeah, Florida
• rating: 100.0%
• # reviews: 171

offer completegengin:

• options: Ship-to-home
• availability: In Stock
• sold: 0
• started: October 8, 2025
• quantity: 1

payments completegengin:

• wallet: Paypal
• other
• credit card: Visa

returns completegengin:

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

shipping completegengin:

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