<div data-store-description="v1"> <p>18-3073 Water Pump Impeller for Mercury Mariner 4 5 HP (1990–1999). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller 47-96305M 18-3073</p> <p>Fits Models: - Mercury Mariner</p> <p>Model Years: - 1990–1999</p> <p>Submodels: - Common trims include 4 HP, 5 HP; applicable body style is outboard motor</p> <p>Engine Options: - Common engine sizes include 4 HP and 5 HP; specific engine codes may vary</p> <p>Description: This water pump impeller is designed for Mercury Mariner outboard motors, specifically for models ranging from 4 to 5 horsepower produced between 1990 and 1999. It ensures optimal water flow and cooling for your engine, preventing overheating and maintaining performance.</p> <p>Features: - Direct replacement for Mercury Mariner 4 HP and 5 HP models - High-quality materials for durability and longevity - Easy installation for quick maintenance - Designed to improve water flow efficiency - Compatible with models from 1990 to 1999</p> <p>Part Number: 47-96305M, 18-3073</p>