47-89983T Water Pump Impeller For Mercury/Mariner (35-70HP) Outboard 18-3007

Water Pump Impeller for Mercury/Mariner

This water pump impeller for Mercury/Mariner outboard motors delivers reliable cooling circulation to prevent overheating, serving as a direct replacement for OEM part 47-89983T and cross-reference 18-3007.

Overview

This water pump impeller is a critical component for Mercury and Mariner outboard engines in the 35-70HP range. It moves coolant through the engine block to maintain optimal operating temperature and prevent damage. Designed as a drop-in replacement, it matches the factory impeller's dimensions and performance.

Built For Performance

• Direct replacement for OEM part 47-89983T
• Cross-referenced to 18-3007 for compatibility
• Precision-molded impeller blades for consistent water flow
• Flexible rubber compound resists heat and abrasion
• Corrosion-resistant metal hub for long service life

On-The-Job Use

• Replaces worn impeller in outboard water pump
• Restores cooling system efficiency
• Ideal for routine maintenance of Mercury and Mariner outboards
• Works in both saltwater and freshwater environments

Specs At A Glance

Good To Know

Q: Is this impeller a genuine OEM part? A: No, it is an aftermarket replacement designed to meet or exceed OEM specifications for Mercury/Mariner outboards.

Q: How often should I replace the impeller? A: Typically every 2-3 years or as part of annual maintenance to prevent overheating.

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