<div data-store-description="v1"> <p>Water Pump Impeller for Outboard Mercury Mariner 40HP (OEM 47-99971M). Supplied product details follow.</p> <h3>Specifications and fitment</h3> </div> <p>Includes: - Water Pump Impeller</p> <p>Fits Models: - Mercury Mariner 40HP Outboard</p> <p>Model Years: - Check fitment before purchase</p> <p>Submodels: - Applies to listed models</p> <p>Engine Options: - Compatible with standard engine options</p> <p>Description: This Water Pump Impeller is designed specifically for the Mercury Mariner 40HP Outboard motor. It ensures optimal water flow and cooling for your engine, maintaining performance and preventing overheating. This OEM part (47-99971M) guarantees a perfect fit and reliable operation.</p> <p>Features: - Direct replacement for OEM part number 47-99971M - Enhances engine cooling efficiency - Durable construction for long-lasting performance - Easy installation for quick maintenance - Compatible with various Mercury Mariner 40HP models</p>