<div data-store-description="v1"> <p>Water Pump Impeller 47-803748 18-8921 for Mercury 4-Stroke 15-20 HP (1990-2023). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller Kit 47-803748 18-8921</p> <p>Fits Models: - Mercury 4-Stroke Outboard Motors</p> <p>Model Years: - 1990-2023</p> <p>Submodels: - Common models include 15 HP and 20 HP outboards</p> <p>Engine Options: - Common engine sizes include 15 HP and 20 HP 4-Stroke engines</p> <p>Description: This Water Pump Impeller Kit is designed for Mercury 4-Stroke outboard motors ranging from 15 to 20 HP, covering model years from 1990 to 2023. The kit includes all necessary components for efficient water pump operation, ensuring optimal cooling for your outboard engine.</p> <p>Features: - High-quality materials for durability - Easy installation with included components - Compatible with a range of Mercury 4-Stroke outboards - Ensures proper engine cooling and performance - Direct replacement for OEM part numbers 47-803748 and 18-8921</p>