fits model: Marine.


( Brand: Sierra ), ( Part Type: Impeller ), ( Manufacturer Part Number: 18-3017 )
The Sierra 18-3017 US31A Marine Impeller, with the part number 47-89984, is a high-quality component designed for optimal performance in marine applications. This impeller is engineered with a unique 18-blade design, which provides an excellent balance of efficiency and durability. Its US31A material composition is specifically chosen for its resistance to corrosion and erosion, ensuring a long lifespan even in the harshest marine environments.
The impeller's 18 blades are meticulously crafted to ensure a consistent flow of water, resulting in improved pump efficiency and reduced energy consumption. The blades are also designed with a slight inward curve, known as a vortex design, which helps to reduce turbulence and increase the impeller's ability to handle solids and debris.
The Sierra 18-3017 US31A Marine Impeller is manufactured with precision and attention to detail, ensuring a perfect fit in your pump. Its smooth, polished surface reduces friction and wear, further increasing the impeller's longevity and performance.
In summary, the Sierra 18-3017 US31A Marine Impeller is a reliable, high-performance component that is well-suited for marine applications. Its unique 18-blade design, corrosion-resistant material, and vortex blade shape make it an excellent choice for ensuring the reliability and efficiency of your marine pump system.
Pros of buying Sierra 18-3017 US31A Marine Impeller 47-89984:1. Replacement for OEM impellers: This impeller is a direct replacement for OEM (original equipment manufacturer) impellers, ensuring compatibility with your marine engine.
2. High-quality materials: The impeller is made of durable materials, such as rubber or plastic, which can withstand the corrosive and high-pressure environment of marine applications.
3. Improved engine performance: A new impeller can help improve the efficiency of your marine engine by allowing more water to pass through, resulting in better cooling and horsepower.
4. Easy installation: The impeller is relatively easy to install, requiring no specialized tools or mechanical skills.
Cons of buying Sierra 18-3017 US31A Marine Impeller 47-89984:1. Limited brand recognition: Sierra may not be as well-known as some other marine engine parts manufacturers, which could make it harder to find replacement parts or seek expert advice if needed.
2. Limited availability: The impeller may not be widely available in local stores or marine engine repair shops, requiring you to order it online.
3. Potential for damage during installation: If not installed correctly, the impeller could be damaged, reducing its efficiency and lifespan.
Conclusion:The Sierra 18-3017 US31A Marine Impeller 47-89984 is a reliable and affordable replacement for OEM impellers. Its high-quality materials and ease of installation make it an attractive option for boat owners looking to improve their marine engine's performance. However, its limited brand recognition and potential for damage during installation are drawbacks that should be considered before making a purchase.
Recommendation:If you are in the market for a new marine impeller and are looking for an affordable option, the Sierra 18-3017 US31A Marine Impeller 47-89984 is a good choice. However, it is essential to ensure that you have the correct impeller size and that you follow the installation instructions carefully to avoid damage. Additionally, researching other marine engine parts manufacturers with a better reputation may be beneficial if you wish to have access to more extensive support and availability of replacement parts.
Please verify the part number is correct for your application. US31A Sierra Marine 18-3017 Impeller Replaces 47-89984. Comes as pictured. For all #1, R, MR, Alpha Units thru S/N D494568 Also for raw water pump on: 190 IB 903 - 225 646 NEW is in the original packaging.