<div data-store-description="v1"> <p>Water Pump Impeller Kit for 40/50 HP Mercury Mariner (821354A2, 8508910). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller Repair Kit</p> <p>Fits Models: - Mercury Mariner 40 HP, Mercury Mariner 50 HP</p> <p>Model Years: - Check fitment before purchase</p> <p>Submodels: - Applies to listed models</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 Repair Kit is designed for Mercury Mariner outboard motors with 40 and 50 horsepower ratings. It includes all necessary components to effectively replace the impeller, ensuring optimal water flow and cooling for your engine.</p> <p>Features: - High-quality materials for durability - Easy installation with included components - Restores cooling efficiency to prevent engine overheating - Compatible with specific Mercury Mariner models</p> <p>Part Number: 821354A2, 8508910</p>