GM Big Block Flywheel Balanced 3973457N 502 7.4L 8.2

( Brand: Gm ), ( Manufacturer Part Number: 3973457 ), ( Part Type: Block Flywheel )

Review GM Big Block 502 7.4l 8.2 Flywheel External Balanced fits MERCRUISER MARINE 454

The Mercruiser Marine Big Block 454 engine, with the specific identification number 3973457, is a powerful and reliable marine propulsion solution. This engine is a direct descendant of the legendary GM 454 small block V8, but has been significantly upgraded and enlarged to meet the demands of marine applications.

The engine features a displacement of 7.4 liters (454 cubic inches), which is achieved through a bore and stroke of 4.125 inches by 4.0 inches. This large displacement allows the engine to deliver impressive torque and power, making it well-suited for high-performance applications.

One of the standout features of this engine is its flywheel, which is balanced to ensure smooth and vibration-free operation. This is particularly important in marine applications, where engine vibrations can be amplified by the boat's hull. The balanced flywheel helps to reduce these vibrations, providing a more comfortable ride for the boat's occupants.

The 3973457 Mercruiser Marine Big Block 454 engine is also equipped with a high-performance fuel injection system. This system delivers fuel directly to the combustion chambers, ensuring precise fuel-air mixtures and maximizing engine efficiency. The result is improved performance, better fuel economy, and lower emissions.

The engine is also equipped with a high-volume oil pump, which ensures that the engine's critical components are adequately lubricated. This is particularly important in marine applications, where the engine may be subjected to harsh conditions such as saltwater corrosion and extreme temperatures.

The 3973457 Mercruiser Marine Big Block 454 engine is a testament to the company's commitment to providing high-quality, reliable marine propulsion solutions. With its impressive power and torque, balanced flywheel, high-performance fuel injection system, and durable construction, this engine is well-suited for a wide range of marine applications, from high-performance pleasure boats to commercial work boats. Whether you're looking for a powerful engine for your next boat build or a reliable replacement for your existing marine propulsion system, the 3973457 Mercruiser Marine Big Block 454 engine is a strong contender.

1. Powerful: This engine is known for its high power output, making it ideal for high-performance boats and yachts.

2. Reliable: Mercruiser engines are known for their durability and reliability, which can save you money in the long run.

3. Balanced Flywheel: The balanced flywheel reduces vibration and noise, providing a smoother and quieter ride.

4. GM Origin: Being a GM engine, it has a well-established reputation for quality and performance.

1. Cost: This engine is expensive, which may not be within everyone's budget.

2. Maintenance: Like any high-performance engine, the 3973457 Mercruiser Marine engine requires regular maintenance to keep it running at its best.

3. Fuel Consumption: Due to its high power output, this engine may consume more fuel than some other engines.

The 3973457 Mercruiser Marine Big Block 454 502 7.4L 8.2 Flywheel Balanced engine is a powerful and reliable option for those who prioritize performance and durability. However, its high cost and fuel consumption may be a drawback for some. If you have the budget and are looking for a high-performance engine, this engine could be a great fit for you. If not, there may be other options that better meet your needs and budget.

If you are in the market for a high-performance engine and have the budget to afford the 3973457 Mercruiser Marine Big Block 454 502 7.4L 8.2 Flywheel Balanced engine, I would recommend considering it as an option. However, make sure to weigh the pros and cons carefully and consider other factors such as your boat's size, weight, and intended use. It may also be helpful to speak with a marine engine expert to get their opinion on the best engine for your specific needs.

Details:

Nice used Mercruiser 454 or 502 Marine engine flywheel external balanced n. All teeth are good, minimal use freshwater part.

part #: 3973457 prices

• $170.00-$175.00

specifications flwheflepla:

• for models: Marine, 454, Mercruiser
• brand: Gm
• mpn: 3973457
• part type: Block Flywheel

General flwheflepla:

• in stock: Yes
• motor equipment > auto parts > drivetrainstransmissions > flywheels flexplates
• condition: Used

Shipping flwheflepla:

• handling: 2 days
• type: Flat
• cost: $0.0

Ratings:

1. Excellent seller, Thank you for making this available to overseas.: 05-04-18
2. Great communication. A pleasure to do business with. 05-03-18
3. Quick response and fast payment. Perfect! THANKS!! 05-04-18
4. Thank you for an easy, pleasant transaction. Excellent buyer.. 05-02-18
5. fast shipping, great seller 05-02-18

Offer flwheflepla:

• best offer: true
• Sold: 0
• Started: May 6, 2018, 7:19 pm
• quantity: 1
• bids: 0

Returns flwheflepla:

• paid by: Buyer
• policy: returns accepted
• type: Money Back
• time: 14 Days

Payments flwheflepla:

• PayPal

Seller flwheflepla:

• zipcode: 49646
• city: Kalkaska, Michigan

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