1. Boat Parts In Otsterndriv Sterndrive Prices For Sale.
  2. sku: 4891283876117751
  3. MERCURY MER788493838

MERCURY MER788493838 Engine Mpi Big Block Hour 7.4 Mpi. V8 Block.

fits model: Marine, 454, Mercruiser. make: Mercury. year: 1998.

Mer788493838 Mercury Engine Mercruiser Marine 7.4 454 Mpi. 1998 V8 Big Block. Low Hour

( Manufacturer Part Number: MER788493838 ), ( Part Type: Engine Block )

Review MERCURY Engine 7.4 Mpi. V8 Big Block. Low Hour fits MERCRUISER MARINE 454 1998

Introducing the Mercury MerCruiser Marine 7.4 454 MPI V8 Big Block engine, model number MMer788493838, from the renowned Mercury Marine. This powerhouse engine is a part of the MerCruiser series, known for their exceptional performance and reliability, making it an ideal choice for watercraft enthusiasts.

The Mercury Mariner 7.4 454 MPI engine is a V8 design, featuring eight cylinders arranged in a V configuration. This configuration delivers a balanced and smooth power delivery, reducing vibrations and enhancing overall engine efficiency. The engine is capable of displacing 454 cubic inches, providing ample power for various watercraft applications.

One of the standout features of this engine is its Multi-Port Fuel Injection (MPI) system. This advanced fuel delivery system ensures precise fuel injection, leading to improved combustion efficiency and reduced emissions. The MPI system also enables the engine to produce impressive power output while maintaining excellent fuel economy.

The MerCruiser Marine 7.4 454 MPI engine is a 1998 model, which means it comes with proven technology and design refinements that have been tested and trusted by boaters for decades. This engine boasts a robust design, with a cast iron block and aluminum cylinder heads, ensuring durability and longevity even with heavy usage.

The engine's performance specifications include a BMEP (Brake Mean Effective Pressure) rating of 17.5 psi and a power output of 300 horsepower at 5000 rpm. These numbers translate to impressive acceleration, top end speed, and overall power, making the Mercury MerCruiser Marine 7.4 454 MPI V8 Big Block engine an excellent choice for those seeking a high-performance watercraft engine.

This engine is also equipped with a number of features designed to make operation and maintenance easier. These include a water-cooled exhaust system, which helps to keep the engine running cool and reduces the risk of overheating. Additionally, the engine features a single-wire ignition system and an easy-to-access oil filter, making routine maintenance quick and hassle-free.

The Mercury MerCruiser Marine 7.4 454 MPI V8 Big Block engine is not just about power and performance; it is also about versatility. It can be adapted to various watercraft applications, including sterndrive and outboard installations, providing boaters with the flexibility to choose the setup that best suits their needs.

In summary, the Mercury MerCruiser Marine 7.4 454 MPI V8 Big Block engine, model number MMer788493838, is a powerful, reliable, and versatile watercraft engine. Its advanced features, such as Multi-Port Fuel Injection and a robust design, make it an excellent choice for those seeking exceptional performance and longevity. With its impressive power output and adaptability to various watercraft applications, the Mercury MerCruiser Marine 7.4 454 MPI V8 Big Block engine is a must-have for any serious boater.

The MerCruiser Marine 7.4 454 MPI 1998 V8 Big Block engine, with Mercury part number Mer788493838, is a powerful and versatile marine powerplant. Here are some pros and cons to help you make an informed decision about purchasing this engine:

Pros:

1. Power: This engine delivers impressive power with 454 cubic inches and a rating of up to 350 horsepower.

2. Fuel Efficiency: Compared to other big block engines, the 7.4 454 MPI is relatively fuel-efficient due to its Multi-Port Fuel Injection (MPI) system.

3. Durability: MerCruiser engines are known for their robustness and longevity, making the 7.4 454 MPI a reliable choice for heavy-duty marine applications.

4. Versatility: This engine can be used for various marine applications, including fishing boats, cruisers, and high-performance boats.

5. Easy Maintenance: The 7.4 454 MPI features a wet sump oil system, making oil changes simpler and more convenient compared to dry sump systems.

Cons:

1. Size and Weight: The large size and weight of this engine can make installation more challenging and more expensive, especially for smaller boats.

2. Cost: The 7.4 454 MPI is a high-performance engine, and its price reflects its capabilities.

3. Complexity: With its advanced fuel injection system and other features, this engine may require more maintenance and expertise to operate and troubleshoot compared to simpler engines.

4. Emissions: Older engines like the 1998 7.4 454 MPI may not meet the latest emissions standards, which could limit their use in certain areas.

Conclusion:

The MerCruiser Marine 7.4 454 MPI 1998 V8 Big Block engine offers impressive power, fuel efficiency, durability, and versatility. However, its large size, weight, cost, complexity, and potential emissions issues are important factors to consider. Ultimately, the decision to purchase this engine depends on your specific marine application requirements, budget, and technical expertise.

Recommendation:

If you need a powerful, fuel-efficient, and reliable engine for a heavy-duty marine application, the MerCruiser Marine 7.4 454 MPI 1998 V8 Big Block engine with Mercury part number Mer788493838 is an excellent choice. However, carefully consider the size, weight, cost, complexity, and potential emissions issues before making your final decision. It's always a good idea to consult with a marine engine professional for personalized advice and recommendations.

Details:

1998 V8 Big Block. Low Hour Engine Mercruiser Marine 7.4 454 MPI.

part #: mer788493838 price

  • $10000.00

specifications otsterndriv:

  • for models: Marine, 454, Mercruiser
  • for makes: Mercury
  • for years: 1998
  • mpn: Mer788493838
  • part type: Engine Block

general otsterndriv:

  • Boat Parts > Sterndrive Motors Components > Other
  • condition: New other see details

shipping otsterndriv:

  • type: Fixed
  • service: Flat Rate Freight
  • cost: $1000.00
  • class: Freight

seller otsterndriv:

  • city: Willis, Texas
  • # reviews: 70
  • rating: 100.0%

offer otsterndriv:

  • quantity: 1
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • best offers: True
  • started: February 26, 2026

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for models: marine, 454, mercruiser, for makes: mercury, for years: 1998, part type: engine block,
category: boat parts > sterndrive components, sku: 4891283876117751,
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  • New other (see details). Offer #1 priced at $10000.00 + $1000.00 shipping estimate = $11000.00* total. Low Hour Engine Mercruiser Marine 7.4 454 MPI.+$1000.00 shipping

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