MERCRUISER BG74BZ Gm Reverse Rotation Base Engine 454/7.4

( Brand: Mercruiser ), ( Manufacturer Part Number: BG74BZ ), ( 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 #5 Replacement Reverse Rotation Base Engine fits 454

Mercruiser BG74BZ GM 454/7.4 Reverse Rotation Base Engine

The Mercruiser BG74BZ GM 454/7.4 Reverse Rotation Base Engine is a powerhouse of marine propulsion, designed for those seeking unparalleled performance and reliability on the water. This engine, a product of the renowned MerCruiser brand, is a testament to engineering excellence and a symbol of durability.

The BG74BZ engine features a displacement of 7.4L (454 cubic inches), offering a potent combination of power and efficiency. With a reverse rotation design, this engine is perfect for applications where a counter-clockwise rotation is desired, such as outboards or drive systems that require a different rotation for optimal performance.

The engine is equipped with a robust 350-horsepower output, delivering smooth and responsive acceleration. It's built with a high-pressure cast-iron block for superior durability, ensuring that it can withstand the rigors of frequent use and harsh marine conditions.

The BG74BZ engine is also equipped with a sophisticated electronic fuel injection system, ensuring precise fuel delivery for optimal combustion and reduced emissions. This results in improved fuel efficiency, reduced maintenance, and a quieter operation compared to traditional carbureted engines.

The engine is designed to be easy to install and maintain, with accessible service points and a user-friendly design. It comes with a two-year limited warranty, giving you peace of mind knowing that you're backed by the quality and reliability of the MerCruiser brand.

In conclusion, the Mercruiser BG74BZ GM 454/7.4 Reverse Rotation Base Engine is an exceptional choice for those seeking a powerful, reliable, and efficient marine engine. Whether you're cruising the open seas or engaging in high-performance water sports, this engine is ready to deliver the power and performance you need to enjoy your marine adventures to the fullest.

1. High Power: This engine delivers a substantial amount of power with its 454 cubic inches, making it suitable for high-performance boats and other applications that require a powerful engine.

2. Reverse Rotation: The reverse rotation design allows for better maneuverability in tight spaces or when docking, as it reduces the propeller's swing in the water.

3. Reliability: Mercruiser engines are known for their durability and reliability, which can provide peace of mind for boat owners.

4. Wide Availability: As a popular brand, parts for this engine are readily available, making maintenance and repairs easier.

1. Size and Weight: Due to its large size and weight, this engine may not be suitable for smaller boats or those with weight restrictions.

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

3. Cost: The Mercruiser BG74BZ is a high-end engine, and its price reflects this. The initial cost, as well as ongoing maintenance and repair costs, may be prohibitive for some buyers.

4. Complexity: With its larger size comes increased complexity, which can make maintenance and repairs more challenging for less experienced boat owners.

The Mercruiser BG74BZ GM 454/7.4 Reverse Rotation Base Engine is a powerful and reliable choice for high-performance boats or those needing a reverse rotation engine. However, its size, weight, fuel consumption, and high cost should be carefully considered before making a purchase. If these factors are not a concern, this engine could be a good investment for those seeking a powerful and maneuverable engine. For smaller boats or those on a tight budget, alternatives with lower power output and cost may be more suitable.

Details:

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

Left Hand Rotation. Pistons new. Oil pump new. Set up for 6-bolt timing cover.

Connecting rods new or refurbished. Replacement for. Cylinder Heads refurbished. Limited Warranty: 2-Year Warranty included with purchase.

All bearings-cam/rod/main new. Customer Pick-up Free. Base Engine includes the following, with new and refurbished internal parts. Push rods new or refurbished.

Valve covers new. Lifters new. Camshaft new or refurbished. Pleasure craft.

Timing cover new. Engine is clean, painted, and torqued to perfection. Remanufactured/Rebuilt/Refurbished/Re powered Base Engine. Timing components new.

Oil pan new.

part #: bg74bz price

• $5295.00

specifications completegengin:

• for models: 454
• brand: Mercruiser
• mpn: Bg74bz
• 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

offer completegengin:

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

returns completegengin:

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

payments completegengin:

• credit card: Mastercard
• other
• wallet: Apple-pay

general completegengin:

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

seller completegengin:

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

shipping completegengin:

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