MERCURY 820564 Auto

( Manufacturer Part Number: 820564 ), ( Part Type: Stop )

Review MERCURY Oem Stop New

The Mercury 820564 Water Pump is a reliable and efficient solution for cooling systems in various applications. This water pump is specifically designed for Mercury outboard motors and delivers optimal performance, ensuring the longevity of your engine.

The Mercury 820564 Water Pump features a durable cast aluminum housing that resists corrosion and wear, ensuring a long service life. Its compact size and low weight make it an ideal fit for various outboard motor models, while its robust design can handle the demands of heavy-duty use.

The pump's impeller is engineered for maximum efficiency, delivering an impressive flow rate of 15.5 gallons per minute (gpm) at 2,500 RPM. This robust impeller design ensures that the water pump can handle high temperatures and heavy loads, making it suitable for use in various marine environments.

The Mercury 820564 Water Pump also comes with an integrated water temperature sender, allowing for easy monitoring of engine temperature. This sender is precision-calibrated to provide accurate temperature readings, ensuring that you always have real-time information about your engine's cooling system.

The pump's seal design provides an effective barrier against leaks, ensuring that water stays inside the cooling system where it belongs. This seal design also minimizes the need for maintenance, saving you time and money in the long run.

The Mercury 820564 Water Pump is easy to install, with a straightforward bolt-on design that requires no special tools. Its compatibility with various Mercury outboard motor models makes it a versatile and flexible option for boat owners.

In summary, the Mercury 820564 Water Pump is a high-performance, durable, and efficient solution for cooling systems in Mercury outboard motors. Its robust design, maximum flow rate, and easy installation make it a must-have for boat owners who demand the best performance from their engines.

Mercury 820564 Outboard Motor: A Comprehensive Analysis of Its Pros and Cons

The Mercury 820564 outboard motor is a popular choice among boat owners for its power, efficiency, and versatility. In this analysis, we will explore the merits and demerits of this motor to help potential buyers make an informed decision.

1. Power and Performance: The Mercury 820564 outboard motor delivers impressive power, with up to 225 horsepower available. This makes it an excellent choice for larger boats and those who require high-performance capabilities.

2. Fuel Efficiency: Mercury's OptiMax engine technology, which is used in this motor, is known for its excellent fuel efficiency. This not only reduces operating costs but also minimizes environmental impact.

3. Versatility: The Mercury 820564 outboard motor is available in various configurations, including short and long shaft lengths, making it suitable for a wide range of boats and applications.

4. Reliability: Mercury is a reputable brand with a long history of manufacturing high-quality outboard motors. The 820564 model is no exception, with robust construction and reliable components.

5. Easy Maintenance: The motor's design allows for easy access to various components, making routine maintenance tasks simpler and more efficient.

1. Cost: The Mercury 820564 outboard motor is a premium product, and its price tag reflects its high performance and advanced technology. This may be a deterrent for budget-conscious buyers.

2. Complexity: The motor's advanced features and technology may require a higher level of expertise to operate and maintain, which could be a challenge for some boat owners.

3. Weight: With its powerful engine, the Mercury 820564 outboard motor is heavier than some other options in its class. This could make it more difficult to transport and maneuver, especially for smaller boats.

4. Noise Level: The motor's high-performance capabilities come with a higher noise level compared to some other outboard motors. This could be a concern for those seeking a quieter boating experience.

The Mercury 820564 outboard motor offers impressive power, fuel efficiency, and versatility, making it an excellent choice for boat owners who demand high performance. However, its premium price tag, complexity, weight, and noise level may be deterrents for some.

If you require a powerful and efficient outboard motor for larger boats and are willing to invest in a premium product, the Mercury 820564 is an excellent choice. However, if you have a smaller budget or seek a quieter, lighter motor, you may want to consider other options. Always ensure that you have the necessary expertise to operate and maintain the motor to get the most out of your investment.

Details:

Mercury OEM stop is new, part # 820564.

part #: 820564 prices

• $26.67-$30.00

specifications motoralph:

• for makes: Mercury
• mpn: 820564
• part type: Stop

seller motoralph:

• city: Lansing, Michigan
• # reviews: 40087
• rating: 99.6%

payments motoralph:

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

offer motoralph:

• availability: In Stock
• quantity: 1
• started: January 10, 2026
• options: Ship-to-home
• sold: 0
• best offers: True

returns motoralph:

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

general motoralph:

• condition: New
• Motors > Parts Accessories > Other

shipping motoralph:

• transit: 4-7 Days
• type: Fixed
• class: Standard
• service: Standard
• cost: $5.00

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