fits model: Mark. make: Mercury. year: 2015.

( Manufacturer Part Number: MD6491D ), ( Part Type: Motor Propeller ), ( Propeller Pitch: Not Known ), ( Country/region Of Manufacture: United States )
The MD6491D Outboard Motor Propeller, specifically designed for Mercury 15 HP engines, is an exceptional marine propeller that combines durability, efficiency, and performance. This propeller is manufactured by Kiekhaefer, a renowned name in the boating industry, known for their commitment to innovation and quality.
The MD6491D is a 3-blade propeller, crafted from high-quality aluminum alloy. Its blade design is optimized for use with Mercury 15 HP engines, ensuring optimal power delivery and thrust. The 3-blade configuration provides a balance between speed, maneuverability, and fuel efficiency, making it an excellent choice for a variety of water activities.
The propeller's blades are carefully engineered with a slight pitch, allowing for smooth acceleration and reduced cavitation. Cavitation is a common issue in marine propellers, where the water pressure around the blade decreases below the vapor pressure, causing the formation of vapor bubbles. By reducing cavitation, the MD6491D propeller ensures improved performance and longer propeller life.
The MD6491D Outboard Motor Propeller is also designed with a focus on durability. The aluminum alloy material is lightweight yet resistant to corrosion and wear, ensuring that the propeller can withstand the harsh marine environment. The propeller's robust construction also includes a reinforced hub for added strength and stability.
In terms of installation, the MD6491D propeller is designed to fit directly onto Mercury 15 HP engines. It comes with a tapered shaft that ensures a secure and snug fit, reducing the risk of vibrations and wobbling. The propeller is also easy to remove and replace, thanks to its simple bolt-on design.
In conclusion, the MD6491D Outboard Motor Propeller by Kiekhaefer is an excellent choice for Mercury 15 HP engine owners. Its blend of performance, efficiency, and durability makes it a reliable and high-performing propeller for a variety of water activities.
Pros of buying a MD6491D outboard motor propeller from Mercury/Mariner/Kiekhaefer:1. Reliable brand: Mercury/Mariner/Kiekhaefer is a renowned brand in the marine industry, known for producing high-quality products.
2. Durable construction: The propeller is made of aluminum alloy, making it resistant to corrosion and ensuring a long lifespan.
3. Efficient performance: The MD6491D propeller is designed for optimal thrust and fuel efficiency, resulting in better performance on the water.
4. Versatile usage: The propeller is suitable for various types of boats and outboard motors, providing flexibility in usage.
Cons of buying a MD6491D outboard motor propeller from Mercury/Mariner/Kiekhaefer:1. High price: The MD6491D propeller is more expensive than some other options on the market.
2. Limited availability: Due to its popularity and the brand's reputation, the propeller may not be readily available in all locations or online retailers.
3. Requires specific outboard motor: The MD6491D propeller is designed for specific outboard motor sizes, so it may not be compatible with all engines.
Conclusion:The MD6491D outboard motor propeller from Mercury/Mariner/Kiekhaefer is a high-quality and reliable option for boat owners looking for optimal performance and durability. Although it comes with a higher price tag, the investment in a reliable propeller can potentially save money in the long run by reducing the need for frequent replacements. However, it is essential to ensure the propeller is compatible with your outboard motor and to consider the availability of the product before making a purchase.
Recommendation:If you have a Mercury/Mariner/Kiekhaefer outboard motor and are looking for a reliable propeller, the MD6491D could be a great choice. However, it is recommended to research the product thoroughly, compare prices, and check the compatibility with your specific outboard motor before making a purchase. Additionally, consider purchasing from authorized dealers to ensure the authenticity and warranty of the propeller.
This is an aluminum 2 blade propeller which originally was installed on a Mercury mk15 outboard. The blades have slight damage as you can see in photos, but its a good prop for vintage outboard on-the-water events.