<div data-store-description="v1"> <p>Water Pump Impeller 4-Str 15-20 HP 9.9 209cc for Mercury (47-803748, 18-8921). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller</p> <p>Fits Models: - Mercury Outboard Motors</p> <p>Model Years: - 2015–2020</p> <p>Submodels: - 4-Stroke, 15 HP, 20 HP, 9.9 HP</p> <p>Engine Options: - 209cc (engine code may vary)</p> <p>Description: This water pump impeller is designed specifically for Mercury 4-stroke outboard motors ranging from 9.9 to 20 HP. It ensures optimal cooling performance by effectively circulating water through the engine, preventing overheating and maintaining efficiency during operation.</p> <p>Features: - High-quality construction for durability - Direct replacement for easy installation - Compatible with multiple Mercury outboard models - Ensures proper water flow for engine cooling - OEM part number: 47-803748, 18-8921</p>