fits year: 1970–1990.

( Brand: Sierra Mercury ), ( Part Type: Hp Impeller ), ( Manufacturer Part Number: 18-3056 ), ( Country/region Of Manufacture: Japan )
The Sierra Mercury 18-3056 NOS Napa Quicksilver Impeller is a high-performance replacement impeller designed for use in Mercury outboard engines with the following horsepower ratings: 70, 75, 80, 90, and 115 HP. This impeller, manufactured by Napa Quicksilver, is an ideal solution for boat owners seeking to improve the efficiency and reliability of their Mercury outboard engine cooling system.
The 18-3056 impeller is precision-engineered using advanced materials and manufacturing techniques to ensure optimal flow and durability. Its unique design features a heavy-duty, ribbed construction that enhances hydrodynamic performance, allowing for better heat dissipation and more efficient cooling. This results in prolonged engine life and improved overall performance.
The impeller's blades are meticulously crafted from a high-strength, corrosion-resistant material, ensuring it can withstand the rigors of frequent use in harsh marine environments. Its color is a distinctive silver, allowing for easy identification during installation and maintenance.
Installation of this impeller is quick and straightforward, thanks to its OEM-compatible design that closely matches the original equipment specifications of Mercury outboard engines. This ensures a seamless fit and simple installation process. Additionally, the impeller comes with a comprehensive installation guide to help users navigate the process with ease.
By choosing the Sierra Mercury 18-3056 NOS Napa Quicksilver Impeller, boat owners can enjoy peace of mind knowing they have a high-quality, reliable, and efficient replacement component for their Mercury outboard engine cooling system. This impeller is an investment in the longevity and performance of their watercraft, allowing for countless hours of enjoyable time on the water.
The Sierra-Mercury 18-3056 NOS Napa Quicksilver Impeller is a replacement impeller designed for various Mercury outboard engines with horsepower ratings between 70 and 115. Here are some pros and cons that might help you make an informed decision about purchasing this impeller:
Pros:1. Compatibility: This impeller is designed to fit Mercury outboard engines with horsepower ratings between 70 and 115, making it a versatile option for a wide range of boat owners.
2. OEM Quality: The Napa Quicksilver Impeller is a direct OEM replacement, which means it is designed to match the original equipment in terms of size, shape, and performance.
3. Durability: The impeller is made of high-quality materials, including Quicksilver's proprietary Quadruple Seal Technology, which helps prevent leaks and ensure optimal water flow.
4. Easy Installation: The impeller is designed to be easy to install, making it a convenient option for DIY boat owners.
5. Reliable Performance: The impeller is designed to provide reliable performance, helping to ensure that your Mercury outboard engine runs efficiently and effectively.
Cons:1. Cost: The Napa Quicksilver Impeller may be more expensive than some aftermarket alternatives, which could be a consideration for budget-conscious boat owners.
2. Availability: Depending on your location, it may be more difficult to find this impeller in local stores, and you may need to order it online.
3. Size Specific: This impeller is designed for specific Mercury outboard engines, so it may not be a viable option for boat owners with different engine brands or models.
In conclusion, the Sierra-Mercury 18-3056 NOS Napa Quicksilver Impeller is a high-quality, OEM replacement option for Mercury outboard engines with horsepower ratings between 70 and 115. While it may be more expensive than some alternatives and may not be as widely available, its compatibility, durability, easy installation, and reliable performance make it a worthwhile investment for many boat owners. Ultimately, the decision to purchase this impeller will depend on your specific needs, budget, and preferences. If you own a Mercury outboard engine within the specified horsepower range and value the benefits of a direct OEM replacement, then the Napa Quicksilver Impeller is a solid choice.
Nos impellers that replaces Mercury mariner 47-43026-1 Napa Marine N-1384.