fits make: Mercury. year: 2015–2025.

( Manufacturer Part Number: GB532355447 ), ( Part Type: Blade Prop Gear Case ), ( UPC: 745061033245 ), ( Size: 25 Pitch )
This is a high-quality replacement propeller designed specifically for Mercury outboard engines. The propeller model number is 48-816374a40, and it features a 25-pitch blade design. The propeller's pitch refers to the number of blades that pass through a 360-degree rotation of the propeller, and a 25-pitch means that the blades cover 25 degrees of the circle with each revolution.
The propeller also has a 15-spline hub, which refers to the number of notches around the center of the propeller that connect it to the engine's drive shaft. The 15-spline hub is a common size for Mercury outboard engines, making this propeller a compatible replacement for many models.
The propeller is a 3-4 gear propeller, which means it has three blades on the outer section of the propeller and four blades in the inner section. This design provides a balance of speed and power, making it a good choice for a wide range of boating activities.
The propeller is also equipped with a high-quality, corrosion-resistant stainless steel hub and blades. This ensures that the propeller is durable and long-lasting, even in saltwater environments.
Finally, the propeller comes with the manufacturer's part number GB532355447 and Mercury's product number 745061033245, which can be used to verify its authenticity and ensure that it is a genuine replacement part for your Mercury outboard engine.
In summary, this replacement propeller is a high-quality, durable option for Mercury outboard engines. Its 25-pitch blade design, 15-spline hub, and 3-4 gear configuration provide a balance of speed and power, while its corrosion-resistant stainless steel construction ensures long-lasting performance. With its manufacturer and Mercury part numbers, you can be confident that this propeller is a genuine replacement part for your engine.
Pros of buying a 48-816374a40 high blade prop:1. Improved performance: The 3-4 gear design and 25 pitch may provide better thrust and acceleration for your outboard motor.
2. Durability: The propeller's construction and materials may be resistant to corrosion and damage from debris, ensuring long-lasting performance.
3. Versatility: The 15 spline and 3-4 gear design may make it suitable for a variety of water conditions and boat types.
Cons of buying a 48-816374a40 high blade prop:1. Potential compatibility issues: Ensure that the propeller is compatible with your outboard motor and boat before purchasing.
2. Higher cost: The high-quality materials and design may make the propeller more expensive than other options.
3. Requires professional installation: It is recommended to have the propeller professionally installed to ensure proper fit and alignment.
Conclusion: The 48-816374a40 high blade prop is a high-quality option for boat owners seeking improved performance and durability. However, it may require professional installation and may be more expensive than other options. Consider your specific boat and water conditions before making a purchase. If the propeller is compatible with your outboard motor and you are willing to invest in a high-quality propeller, it could be a worthwhile investment for improved boat performance.
Otherwise in great shape. This prop fits many Mercury 135-300hp outboards and Mercuries stern drives with gear case has 15 spline hub.
Part number: 48-816374A4013. It is up to you make sure this the right part for your application. The 25 pitch high five prop and is designed to run with boats that are already running a 3 blade. 25 x 25 this is a used prop and does have some small dings on blade edges.