The product is a Mercury Block 175 HP 2.5 L Crankcase Crank Case specifically designed for freshwater use. Made in the United States by Mercury, a reputable brand in the outboard engines and components industry, this crankcase is a reliable and durable option for boat owners and enthusiasts. With the manufacturer part numbers 9763A17 and 969-9078-C3, this crankcase is built to last and provide smooth operation for your boat's engine.