<div data-store-description="v1"> <p>Water Pump Impeller with Key for Mercury Mariner 40-50 HP 2-Stroke. Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Sea Water Pump Impeller with Key</p> <p>Fits Models: - Mercury Mariner</p> <p>Model Years: - Check fitment before purchase</p> <p>Submodels: - Common trims include 40 HP and 50 HP 2-Stroke models</p> <p>Engine Options: - Common engine sizes include 40 HP (2.5L) and 50 HP (2.5L) 2-Stroke engines</p> <p>Description: This Sea Water Pump Impeller with Key is designed for Mercury Mariner outboard motors, specifically for the 40 HP and 50 HP 2-Stroke models. It ensures optimal cooling performance by efficiently circulating water through the engine, preventing overheating and maintaining engine health.</p> <p>Features: - High-quality construction for durability - Direct replacement for easy installation - Designed to fit specific Mercury Mariner models - Enhances engine cooling efficiency - Includes key for secure fitment</p>