MERCURY 12553848 Mpi Gm Boat Engine Wwater Pump 7.4 V8

( Manufacturer Part Number: 12553848 ), ( Part Type: Engine Pump ), ( Country Of Origin: United States )

Review MERCURY 7.4 Mpi V8 Gm Boat Engine Wwater Pump fits MERCRUISER MARINE 454

The Mercury 12553848 Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with water pump is a powerful and efficient solution for powering your watercraft. This engine is part of Mercury's 4.5L 7.4L series, which is known for its reliability and performance.

At its core is a 454 cubic inch V8 engine that delivers impressive power and torque. It features Mercury's Multi-Port Fuel Injection (MPI) technology, which ensures optimal fuel delivery for maximum power and efficient combustion. This results in reduced emissions and improved fuel economy.

The Mercury 12553848 engine is also equipped with a state-of-the-art electronic control system. This system monitors engine performance in real-time and adjusts fuel delivery, ignition timing, and other parameters to optimize engine performance and reduce emissions. It also includes a digital display that provides important diagnostic information and allows for easy adjustments.

The engine comes with a water pump as part of the package. The water pump is essential for cooling the engine while it's in use. It features a durable cast-iron housing and a heavy-duty impeller that can handle the demands of marine use. The pump is also designed to be self-priming, which means it can draw water even when the engine is not submerged.

The Mercury 12553848 Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with water pump is designed to be easy to install and maintain. It comes with a wiring harness that makes connection to the boat's electrical system simple and straightforward. The engine also features easily accessible service points, making routine maintenance quick and hassle-free.

Overall, the Mercury 12553848 Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with water pump is a high-performance, reliable, and efficient power solution for your watercraft. It delivers impressive power and torque, while also being easy to install, maintain, and operate. With its advanced technology and durable construction, this engine is an excellent investment for boat owners who demand the best in power and performance.

Mercury 12553848 (Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with Water Pump): Pros, Cons, and Conclusion

The Mercury 12553848, also known as the Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with Water Pump, is a popular choice for boat owners seeking reliable and powerful marine engines. In this analysis, we will discuss the key advantages and disadvantages of this engine model to help you make an informed purchasing decision.

1. Power and Performance: The 7.4-liter, 454 cubic inch V8 engine delivers impressive power and torque, making it suitable for a wide range of boats and water activities.

2. Fuel Efficiency: Compared to other engines in its class, the 7.4 MPI offers relatively good fuel economy, helping to reduce operating costs over time.

3. Durability: Mercury Marine engines are known for their robust construction and durability, ensuring long-lasting performance even in harsh marine environments.

4. Ease of Maintenance: The engine's design includes easily accessible components, making routine maintenance tasks simpler and more efficient.

5. Advanced Technologies: The 7.4 MPI features advanced technologies such as Multi-Port Fuel Injection (MPI) and Electronic Digital Controls (EDC), which contribute to improved performance and efficiency.

1. Price: The Mercury 12553848 is a premium engine model, and its price tag may be higher than some competitors.

2. Complexity: Due to its advanced features and technologies, the engine may require more specialized knowledge and expertise for installation, maintenance, and repair.

3. Size and Weight: The larger size and weight of the V8 engine may pose challenges for smaller boats or those with limited space and payload capacity.

The Mercury 12553848 (Mercruiser 7.4 MPI 454 V8 GM Marine Boat Engine with Water Pump) offers numerous advantages, including impressive power and performance, fuel efficiency, durability, ease of maintenance, and advanced technologies. However, its higher price tag, complexity, and size/weight considerations are potential drawbacks.

Ultimately, the decision to purchase this engine model depends on your specific boating needs, budget, and technical expertise. If you require significant power, prioritize fuel efficiency, and are willing to invest in a reliable and advanced marine engine, the Mercury 12553848 could be an excellent choice for you.

If you're in the market for a high-performance marine engine and are comfortable with the higher cost and potential complexity, the Mercury 12553848 is an excellent option to consider. Make sure to work with a qualified marine technician for installation, maintenance, and any necessary repairs to ensure optimal performance and longevity.

Details:

What you see in the pictures is what get. I will do my best to resolve the issue. Look at pictures closely and ask any questions, I try to describe parts as best can. Part was removed from a MerCruiser 7.4 MPI Marine engine.

Shelf 25-2-3-C. Thanks -Mike. Mounting hardware is only included if it shown in the pictures. Condition: Good used condition.

Please look at all pictures and read entire before buying.

part #: 12553848 prices

• $69.99-$228.61

specifications otsterndriv:

• for models: Marine, 454, Mercruiser
• for makes: Mercury
• mpn: 12553848
• part type: Engine Pump
• country of origin: United States

general otsterndriv:

• condition: Used
• Boat Parts > Sterndrive Motors Components > Other

payments otsterndriv:

• other
• wallet: Google-pay
• credit card: Visa

seller otsterndriv:

• rating: 99.5%
• # reviews: 113781
• city: Huron, Ohio

offer otsterndriv:

• started: December 4, 2025
• sold: 0
• quantity: 1
• options: Ship-to-home
• availability: In Stock

returns otsterndriv:

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

shipping otsterndriv:

• transit: 2-6 Days
• cost: $25.18
• class: Standard, Expedited
• carrier: FedEx, UPS, USPS
• service: FedEx Ground / FedEx Home Delivery, UPS Ground, USPS Ground Advantage, FedEx 2Day
• type: Calculated

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