The Mercury Marine Mercruiser New OEM Impeller Kit is a replacement part designed specifically for outboard engines and cooling systems. This black impeller kit, with the manufacturer part number 47-8M0104229, is a genuine product from Mercury Marine/Mercruiser, ensuring quality and compatibility with your boat's engine. It is important to note that this product may contain chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm, so handle with care and follow safety guidelines.