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Sierra 18-3074 Water Pump Impeller for Mercury Mariner Yamaha 9.9-15 HP Outboard

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3074
6 reviews
Sale Price

$19.14

3 left at this price

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Usually delivered within 2 days

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No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3074 is a premium-quality neoprene water pump impeller designed for Mercury, Mariner, and Yamaha outboard engines. This critical cooling system component circulates water through your engine to maintain optimal operating temperatures and prevent overheating that can lead to costly engine damage.

Key Specifications:

  • 6-blade neoprene construction for durability in harsh marine environments
  • Outer diameter: 1.565 inches
  • Bore diameter: 0.500 inches
  • Thickness: 0.865 inches
  • Key width: 0.105 inches

OEM Cross-References:

  • Mercury/Mariner: 47-84027M, 47-84027T, 47-96619M
  • Yamaha: 682-44352-00-00, 682-44352-01-00, 682-44352-03-00, 682-44352-40-00
  • GLM: 89880
  • Mallory: 9-45605

Sierra marine parts are engineered to meet or exceed original equipment specifications, ensuring proper fit, form, and function. Regular impeller replacement is essential preventive maintenance that reduces downtime and protects against catastrophic engine failure. Backed by Sierra's limited lifetime warranty against defects in materials and workmanship.

Very user-friendly site. Great price.

Excellent product and service.

Purchase was easy. Shipping was fast.

I needed a small blaster, y'all had it, I ordered it, and then I received it, price was ok, but the shipping price was cheap I thought, thanks

Fast easy to navigate online store

Quick service

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