Water Pump Impeller Kit 46-817275A5 For Mercury 4-Stroke 40 50 60 70 HP Outboard

Water Pump Impeller Kit for Mercury

This water pump impeller kit for Mercury outboards includes the impeller and necessary gaskets to maintain proper cooling flow, with OEM part number 46-817275A5.

Overview

This water pump impeller kit is a replacement service kit for Mercury 4-stroke outboard engines. It provides a new impeller and gaskets to ensure effective water circulation and prevent overheating. Ideal for owners of Mercury 40, 50, 60, and 70 HP motors who need a reliable cooling system repair.

Built For Performance

• Includes a high-quality, flexible impeller vane for efficient water pumping
• Precision-molded to match OEM specifications for a snug fit
• Compatible with 4-stroke Mercury outboards in the 40-70 HP range
• Includes all necessary gaskets for a complete installation
• Resistant to wear and heat for long service life

Fits These Machines

• for Mercury 40 HP 4-Stroke
• for Mercury 50 HP 4-Stroke
• for Mercury 60 HP 4-Stroke
• for Mercury 70 HP 4-Stroke

On-The-Job Use

• Replaces a worn or damaged impeller during routine water pump service
• Prevents engine overheating by restoring proper coolant flow
• Used on recreational boats, fishing boats, and commercial vessels
• Suitable for both DIY maintenance and professional repair shops

Specs At A Glance

Good To Know

Q: How often should I replace the water pump impeller? A: It is recommended to replace the impeller every 300 hours or annually, whichever comes first, to prevent overheating and potential engine damage.

Q: What are signs of a failing water pump impeller? A: Look for a lack of water discharge from the tell-tale, engine overheating, or a weak stream. Replacing the kit promptly can avoid costly repairs.

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