MERCURY 49-77345A45 Propeller 13X19

( Manufacturer Part Number: 49-77345A45 ), ( Part Type: Propeller ), ( Propeller Pitch: 19 ), ( Propeller Rotation: Standard ), ( Country Of Origin: United States )

Review MERCURY Black Max Propeller 13x19

The **Mercury 49-77345A45 13x19 propeller** is a high-performance, precision-engineered marine propeller designed to deliver exceptional efficiency, reliability, and power transfer for Mercury outboard engines, particularly those in the 40 75 horsepower range. Crafted from high-grade, corrosion-resistant materials, this three-blade propeller features a meticulously balanced design optimized for both speed and fuel economy, making it ideal for a variety of applications, including fishing boats, cruisers, and performance vessels. The **13-inch diameter** and **19-inch pitch** dimensions strike a balanced compromise between acceleration and top-end speed, ensuring smooth operation across a broad range of throttle settings while minimizing cavitation and vibration. The propeller s aerodynamic blade shape enhances hydrodynamic efficiency, reducing drag and improving overall propulsion performance, which translates to faster acceleration, better handling, and reduced strain on the engine. Engineered with a **right-hand rotation (RHR)** configuration, this propeller is specifically tailored for Mercury outboards, ensuring seamless integration with the engine s power delivery system. Its durable construction, featuring a robust shaft and precision-machined blades, is built to withstand the demands of saltwater environments, resisting corrosion and maintaining structural integrity over extended periods of use. Whether deployed on a high-speed fishing boat or a versatile cruiser, the **Mercury 49-77345A45 13x19 propeller** delivers a perfect blend of performance, durability, and efficiency, making it a standout choice for boaters seeking optimal power and control.

The Mercury 49-77345A45 is a fixed-pitch propeller designed for outboard motors, specifically optimized for performance in recreational boats, fishing vessels, and small to mid-sized watercraft. The 13x19 designation refers to its pitch (13 inches) and diameter (19 inches). Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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The Mercury 49-77345A45 is generally more affordable than high-performance or custom propellers. It offers a balance between price and functionality, making it a practical choice for budget-conscious boat owners.

This propeller is designed to fit Mercury outboard motors, particularly those in the 75 200 horsepower range, depending on the model year and application. Its compatibility reduces the need for extensive modifications or additional parts, simplifying installation.

Mercury propellers are known for their robust construction, often featuring high-quality materials like stainless steel or aluminum alloys. The 49-77345A45 is built to withstand typical recreational use, including exposure to saltwater, debris, and moderate wear.

The 13x19 pitch is a versatile choice for general boating, offering a good balance between speed and fuel efficiency. It is suitable for cruising, leisurely fishing, or light towing tasks where extreme performance is not required. The fixed-pitch design simplifies maintenance and reduces the risk of mechanical issues associated with adjustable or folding propellers.

Fixed-pitch propellers like this one are straightforward to install and remove, requiring basic tools and minimal expertise. This makes them ideal for DIY enthusiasts or boat owners who prefer simplicity.

As a part of Mercury s product line, this propeller benefits from the brand s reputation for reliability. It is less likely to experience premature failure compared to lower-quality or generic alternatives.

The 13-inch pitch is designed to optimize fuel consumption for cruising speeds, which can be beneficial for long trips or daily use where efficiency matters.

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Fixed-pitch propellers like this one cannot be adjusted for different conditions or boat loads. If your boating needs vary significantly such as frequent towing, deep-V hulls, or high-speed cruising you may need to invest in multiple propellers or switch between them, which adds cost and complexity.

The 13x19 pitch may be prone to cavitation (bubbles forming on the propeller blades due to high speeds or improper loading), which can reduce efficiency and cause damage over time. This is more likely in high-performance or heavily loaded conditions.

While durable, this propeller is not indestructible. Exposure to saltwater, rocks, or debris can cause dents, pitting, or blade erosion, which may affect performance and require replacement sooner than expected.

If you frequently tow watercraft, skiers, or heavy loads, the 13x19 pitch may struggle to provide adequate power or acceleration. A higher-pitch propeller (e.g., 16x19) would be more suitable for towing applications.

Deep-V hulls often require propellers with a higher pitch to achieve optimal performance. The 13x19 may not deliver the same speed or handling characteristics in these hulls compared to a more aggressive pitch.

If the propeller is not perfectly balanced or if the motor is not properly tuned, it may introduce vibration into the boat, leading to discomfort and potential long-term damage to the motor or hull.

Propellers are often overlooked when selling a boat, but a worn or damaged Mercury propeller may deter potential buyers or reduce the overall resale value of the vessel.

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The Mercury 49-77345A45 propeller (13x19) is a solid, practical choice for boat owners who prioritize affordability, simplicity, and general-purpose performance. It excels in recreational boating, cruising, and light fishing tasks where high speed or towing are not primary concerns. Its durability, ease of installation, and compatibility with Mercury outboards make it a low-maintenance option.

However, its fixed-pitch design limits its adaptability to varying conditions, and it may not perform optimally in high-performance or heavy-towing scenarios. If your boating activities involve frequent towing, deep-V hulls, or high-speed cruising, you may need to consider a different pitch or a more specialized propeller. Additionally, regular inspection and maintenance are essential to prolong its lifespan and performance.

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- You primarily use your boat for cruising, leisurely fishing, or light recreational activities.

- You prefer a cost-effective, no-frills propeller that requires minimal maintenance.

- Your outboard motor is compatible with this model, and you do not engage in heavy towing or high-speed maneuvers.

- You are looking for a reliable, brand-name propeller that balances performance and durability.

- You frequently tow watercraft, skiers, or heavy loads. In this case, a higher-pitch propeller (e.g., 16x19) or a variable-pitch option would be more suitable.

- Your boat has a deep-V hull, as a higher pitch (e.g., 15x19 or 16x19) may improve speed and handling.

- You prioritize performance over simplicity and are willing to invest in a more specialized propeller for your specific boating needs.

- You experience frequent cavitation or vibration issues, which may indicate a need for a different pitch or propeller design.

- Inspect the propeller regularly for signs of damage, pitting, or imbalance.

- Clean it thoroughly after saltwater use to prevent corrosion.

- Store your boat in a dry, covered area when not in use to minimize exposure to the elements.

- Consider using a propeller cover when the boat is not in operation to protect it from debris and wear.

In summary, the Mercury 49-77345A45 is a practical propeller for general boating needs, but its suitability depends on your specific use case. Always match the propeller to your boat s hull type, motor size, and intended activities for the best results.

Details:

Mercury Black Max Propeller 13x19 49-77345A45. Large items ship via FedEx or UPS Ground. Items less then 1 lbs ship USPS Ground Advantage.

part #: 4977345a45 prices

• $50.00-$169.00

specifications propboapar:

• for makes: Mercury
• mpn: 49-77345a45
• part type: Propeller
• propeller pitch: 19
• propeller rotation: Standard
• country of origin: United States

payments propboapar:

• credit card: Visa
• other
• wallet: Paypal

offer propboapar:

• started: April 2, 2026
• availability: In Stock
• best offers: True
• sold: 0
• options: Ship-to-home
• quantity: 1

general propboapar:

• condition: Used
• Parts Accessories > Boat Parts > Propellers

returns propboapar:

• policy: No Returns

seller propboapar:

• rating: 100.0%
• city: Post Falls, Idaho
• # reviews: 674

shipping propboapar:

• cost: $25.00
• type: Fixed
• transit: 4-8 Days
• service: Economy
• class: Economy

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