Water Pump Impeller 47-430261 43026T2 47-43026Q02 for Mercury Mariner 40HP-250HP

Water Pump Impeller for Mercury Mariner

This water pump impeller for Mercury Mariner circulates coolant to prevent overheating, with OEM cross-reference numbers 47-430261, 43026T2, and 47-43026Q02.

Overview

This water pump impeller for Mercury Mariner outboards is a high-quality replacement that ensures your engine's cooling system operates efficiently. It fits a wide range of Mercury Mariner motors from 40HP to 250HP, making it a versatile choice for many boaters. The impeller is manufactured to meet OEM standards, providing a dependable seal and water flow.

Built For Performance

• Precision-molded vanes ensure consistent coolant circulation
• Durable rubber compound resists wear from sand and debris
• Reinforced hub prevents slippage on the drive shaft
• Multiple OEM part numbers (47-430261, 43026T2, 47-43026Q02) for broad compatibility
• Tested for high-temperature resistance in marine environments

On-The-Job Use

• Replaces worn impellers in Mercury Mariner outboard cooling systems
• Helps prevent overheating during long-distance cruising
• Maintains proper water pressure for engine performance
• Commonly used in both freshwater and saltwater applications
• Ideal for preventive maintenance when winterizing your outboard

Specs At A Glance

Good To Know

Q: What is the typical lifespan of a water pump impeller? A: With regular use, you can expect 200 to 400 hours of operation, but it is wise to inspect it annually.

Q: How do I know if my impeller needs replacement? A: Signs include overheating, a weak water stream from the tell-tale, or visible damage to the impeller when removed.

Slight variation in finish or dimensions may occur between production runs, and fit can depend on serial number, so confirm compatibility before ordering.