fits model: 400, Mercruiser. make: Mercury.

( Brand: Mercury Marine ), ( Manufacturer Part Number: 850821A11 ), ( Part Type: Hp Propeller Hub )
The Mercury Mercruiser Propeller Hub 850821-1 is a high-performance component designed specifically for outboard marine applications. This propeller hub is engineered to support engines with a power output of up to 400 HP, making it an ideal choice for larger and more powerful boats.
The 850821-1 propeller hub is manufactured using advanced materials and production techniques to ensure durability and reliability. The hub is constructed from high-strength aluminum alloy, which provides excellent corrosion resistance and strength, even in the harsh marine environment. The hub is also designed with a robust bearing system that ensures smooth and quiet operation, even under high loads.
The Mercury Mercruiser Propeller Hub 850821-1 is compatible with a wide range of propellers, allowing boat owners to customize their boat's performance to meet their specific needs. The hub features a patented design that ensures a secure and easy-to-install fit, reducing the risk of damage to the propeller or hub during installation.
In addition to its strength and reliability, the 850821-1 propeller hub is also designed with safety in mind. The hub features a built-in safety latch that ensures the propeller is securely locked in place, reducing the risk of accidental release. The hub is also equipped with a built-in pressure relief valve that helps to prevent excessive buildup of pressure in the hub, further enhancing safety.
Overall, the Mercury Mercruiser Propeller Hub 850821-1 is a top-of-the-line component that provides excellent performance, durability, and safety for outboard marine applications. Whether you're looking to upgrade your current marine propulsion system or are building a new boat, the 850821-1 propeller hub is an excellent choice.
Pros of purchasing a 850821a11 Mercury Mercruiser Propeller Hub 850821-1:1. Compatibility: This propeller hub is specifically designed for Mercury Mercruiser engines with a 400 HP output, ensuring a perfect fit and efficient operation.
2. Durability: Made from high-quality materials, this propeller hub is built to withstand the harsh marine environment, providing long-lasting performance.
3. Power: The 850821a11 propeller hub is designed to handle the high power output of 400 HP engines, delivering optimal performance and speed.
4. Easy Installation: The propeller hub comes with straightforward installation instructions, making it a relatively simple task for DIY boat owners or professional mechanics.
Cons of purchasing a 850821a11 Mercury Mercruiser Propeller Hub 850821-1:1. Price: As a high-quality, heavy-duty component, this propeller hub may be more expensive than some lower-end alternatives.
2. Availability: Due to its specificity, this propeller hub may not be as widely available in local stores, requiring online purchasing or special ordering.
Conclusion:The 850821a11 Mercury Mercruiser Propeller Hub 850821-1 is a reliable and durable solution for boat owners with 400 HP engines. Its compatibility and durability make it an excellent choice for high-performance applications, despite its higher price and limited availability. If you value performance and longevity, this propeller hub is a worthwhile investment to ensure the optimal operation of your Mercury Mercruiser engine.
Used Mercury Mercruiser prop hub for sale. This is for hub only and not the complete kit. Hub is in good condition. Part for 400 hp.