1. Inboard Complete Gas Engines For Sale
  2. sku: 6290677329796682
  3. 751-051013

751-051013 Base Engine 8.2L 502CI

fits model: Marine, 425.

751-051013 General Motors 8.2l 502ci Base Marine Engine 425 Hp

( Brand: General Motors ), ( Manufacturer Part Number: 751-051013 ), ( Part Type: Hp Engine Motor )

Review GENERAL MOTORS 8.2l 502ci Base Engine Hp fits MARINE 425

Detailed Product Description for General Motors Marine 8.2L 502 cubic inch Base Marine Engine - 425 HP

Experience the raw power and reliability of the General Motors Marine 8.2L 502 cubic inch Base Marine Engine, boasting an impressive output of 425 horsepower. This high-performance engine is designed specifically for marine applications, ensuring a seamless blend of power and durability for your boating adventures.

The General Motors Marine 8.2L 502 Engine is a large-displacement powerhouse, boasting an 8.2-liter displacement and a cylinder count of 8, offering ample torque and horsepower for a wide range of marine applications. With a bore and stroke of 4.409 inches and 4.000 inches respectively, this engine delivers a dynamic and responsive power delivery, perfect for navigating through rough seas or powering your vessel at high speeds.

Under the hood, this engine features a cast-iron block and aluminum heads, ensuring superior heat dissipation and longevity. The engine is also equipped with a high-capacity oil pump, ensuring optimal lubrication under heavy loads and extreme conditions. The 502 engine also features a forged steel crankshaft, forged pistons, and heavy-duty connecting rods, ensuring the engine can withstand the rigors of marine use.

The General Motors Marine 8.2L 502 Engine is equipped with a state-of-the-art electronic fuel injection system, ensuring efficient combustion and reduced emissions. The engine also features a balance shaft system, reducing vibration and providing a smooth, comfortable ride for both the operator and passengers.

This engine is designed to meet the demands of marine use, with corrosion-resistant materials and a robust cooling system. The engine also features a heavy-duty alternator, ensuring ample electrical power for all your onboard electronics.

In conclusion, the General Motors Marine 8.2L 502 cubic inch Base Marine Engine is a high-performance, reliable, and durable power solution for your marine needs. With its impressive horsepower output, large displacement, and robust design, this engine is the perfect choice for powering your vessel and creating unforgettable boating experiences.

The General Motors 8.2L 502ci Base Marine Engine, with a power output of 425 HP, offers several advantages and potential drawbacks for marine applications.

Pros:

1. High Power Output: With 425 HP, this engine can easily power larger boats and provide a thrilling boating experience.

2. Proven Reliability: General Motors engines are renowned for their durability and longevity, making this engine a reliable choice for marine use.

3. Availability of Parts: Given its popularity and widespread use, finding replacement parts for this engine should be relatively easy.

4. Fuel Efficiency (for a high-power engine): Compared to other high-power marine engines, the 8.2L 502ci base marine engine is relatively efficient, reducing long-term fuel costs.

Cons:

1. Size and Weight: Due to its large size and weight, installing this engine may require significant modifications to the boat, and it may increase the boat's overall weight.

2. Cost: As a powerful and high-quality engine, the 8.2L 502ci base marine engine is more expensive than some other marine engine options.

3. Maintenance: Like any high-performance engine, the 8.2L 502ci base marine engine requires regular maintenance to ensure its longevity and optimal performance.

In conclusion, the General Motors 8.2L 502ci Base Marine Engine is a powerful, reliable, and fuel-efficient choice for marine applications. However, its large size, weight, and high cost may make it less suitable for smaller boats or budget-conscious buyers. If power and reliability are the top priorities, this engine is a recommended choice. For those seeking a more compact, economical, or lighter engine, other marine engine options may be more appropriate.

Details:

One-piece rear main seal also known as full. Works with Mercuries, Volvo Pent, Ind mar, Marine Power, Crusader etc. Looking for matinee engines, Marine engine parts, or accessories. All engines parts are packed by our shipping department.

Engine includes block, 8.2L 502ci rectangular port cylinder heads, valve covers, forged steel crankshaft, high performance cam shaft, 8 quart Marine oil pan, harmonic balance, roller cam, corrosion resistant black urethane paint, spark plugs and all internal parts. Engines are packed in specially designed crates made for that engine. Direct replacement for 1991 thru 2002 8.2L 502ci 7.4L HO engines. Rated at 425 hp 5000 RPM / 504 LB-FT 3800 actual power levels may vary depending on OEM calibration and application.

Electric fuel pump required.

part #: 751051013 prices

  • $9473.94-$11999.99

specifications completegengin:

  • for models: Marine, 425
  • brand: General Motors
  • mpn: 751-051013
  • part type: Hp Engine Motor

offer completegengin:

  • options: Ship-to-home
  • started: July 9, 2025
  • quantity: 4
  • sold: 0
  • availability: In Stock

payments completegengin:

  • credit card: Visa
  • wallet: Paypal
  • other
  • cash

general completegengin:

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

returns completegengin:

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

shipping completegengin:

seller completegengin:

  • city: Madison height, Michigan
  • # reviews: 34022
  • rating: 100.0%
for models: marine, 425, part type: hp engine motor,
category: boat parts > inboard engines components > complete gas engines, sku: 6290677329796682,
General Motors 751-051013 Is Similar To:
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3 offers $9473.94–$11999.99 USD
  • Used. Offer #1 priced at $11999.99 + $750.00 shipping estimate = $12749.99* total. +$750.00 shipping
  • New. Offer #2 priced at $9473.94 + $230.00 shipping estimate = $9703.94* total. +$230.00 shipping
  • New. Offer #3 priced at $10919.29 + $0.00 shipping estimate = $10919.29* total. FREE SHIPPING

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