<div data-store-description="v1"> <p>Water Pump Impeller Kit for 40-50 hp Mercury Mariner (8508910, 821354A2). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller Kit</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 models; applicable chassis codes may vary by year.</p> <p>Engine Options: - Common engine sizes include 40 HP and 50 HP; specific engine codes may vary.</p> <p>Description: This Water Pump Impeller Kit is designed for Mercury Mariner outboard motors with 40-50 horsepower. It ensures optimal cooling performance by efficiently circulating water through the engine. This kit includes all necessary components for a complete replacement, helping to maintain engine health and performance.</p> <p>Features: - High-quality materials for durability - Easy installation with included components - Designed for optimal water flow and cooling efficiency - Compatible with Mercury Mariner 40-50 HP outboards - OEM part number: 821354A2, 8508910</p>