Water Pump Impeller for Mercury 47-43026T2 Sierra 18-3056 Mallory 9-45037 250HP

Water Pump Impeller for Mercury

This water pump impeller for Mercury outboard engines keeps cooling systems flowing for 250HP motors, with cross-reference numbers 47-43026T2, 18-3056, and 9-45037.

Overview

This water pump impeller for Mercury is a direct replacement part designed to maintain proper engine temperature on 250HP outboards. It works with Sierra and Mallory reference numbers to deliver a precise fit and reliable performance. Suitable for demanding marine applications, this impeller ensures consistent coolant circulation.

Built For Performance

• Precision-molded rubber compound for flexibility and durability
• Stainless steel insert for secure hub mounting
• Matches OEM specifications for 250HP Mercury outboards
• Resists heat and wear for extended service life
• Easy to install with standard hand tools

On-The-Job Use

• Provides essential cooling flow for high-performance 250HP outboard engines
• Ideal for saltwater and freshwater boating environments
• Used during routine maintenance to prevent overheating damage

Specs At A Glance

Good To Know

Q: How often should I replace the impeller? A: Impellers typically last 1-2 seasons depending on usage. Inspect annually and replace if cracked or worn.

Q: Can this impeller be used in saltwater? A: Yes, the rubber and stainless steel construction handles both salt and fresh water without premature corrosion.

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