<div data-store-description="v1"> <p>Water Pump Impeller Kit (4-Stroke) for Mercury Mariner 40 HP (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: - 40 HP (4-Stroke)</p> <p>Engine Options: - 40 HP 4-Stroke (specific engine code may vary)</p> <p>Description: This Water Pump Impeller Kit is designed for Mercury Mariner 40 HP 4-Stroke outboard motors. It ensures optimal cooling performance by effectively circulating water through the engine. This kit includes all necessary components for a complete replacement, helping to maintain engine efficiency and prevent overheating.</p> <p>Features: - High-quality materials for durability - Easy installation with included components - Designed for optimal water flow and cooling - Compatible with Mercury Mariner 40 HP 4-Stroke models</p> <p>Part Number: 821354A2</p>