Water Pump Impeller Kit For Mercury Mariner 3.5HP, 3.6HP, 4HP – Replaces 47-89980, 47-68988, 18-3054

Keep your small Mercury or Mariner outboard running cool with this water pump impeller kit.

It fits the 3.5HP, 3.6HP, and 4HP models, replacing OEM numbers 47-89980, 47-68988, and 18-3054.

It’s a brand new part from Precision Auto Labs, manufactured in China, and comes with a warranty.

This is a critical part for your engine's cooling system—if your impeller wears out, you risk overheating.

The kit includes everything you need to refresh the water pump.

It’s not a custom bundle or modified item, just a straight-up replacement part to keep your motor in top shape on the water.