The Water Pump Impeller you're looking for is designed for Johnson Outboard engines, specifically used in Evinrude models. It's crafted from high-quality black ABS rubber, ensuring durability and longevity. This high-performance part is specifically made to fit Sierra, model number MALLORY 9-45214, which is designed for 6hp and 8hp 2-stroke engines. The impeller's compatibility with these specific engines allows for trouble-free installation and operation. When choosing this replacement impeller, you're making an investment in performance and efficiency.