My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-45617-1 Water Pump Impeller for Yamaha Outboard Engines

Manufacturer

Picture for manufacturer Sierra

Part Number

118-45617-1
8 reviews
Sale Price

$41.89

In Stock (10+)

delivery box

Usually delivered within 2 days

Check out with

ApplePay
Authorize Seller Badge
No Hassle Returns

No Hassle Returns

Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-45617-1 is a high-quality replacement water pump impeller designed for Yamaha 4-stroke outboard engines. This precision-engineered component ensures reliable cooling system performance and helps keep your marine engine running at optimal temperatures.

Key Features:

  • 6-blade neoprene and hardened nylon construction for maximum durability
  • Impeller height: 1.42 inches (36mm)
  • Overall diameter: 3.54 inches (90mm)
  • Hub shaft diameter: 0.89 inches (22.7mm)
  • Designed to withstand harsh marine environments including saltwater exposure
  • Direct replacement for OEM quality and fit

Replaces OEM Part Numbers: Yamaha 6CE-44352-00-00, Mercury 8M6010334, Mallory 9-45617, GLM 89300

Sierra International is a trusted name in marine parts, offering professional-grade replacement components that help boats spend less time in the shop and more time on the water. Regular impeller replacement is essential preventive maintenance for any outboard cooling system.

The process was quick and easy. They had the lowest price.

GOOD

Decent

Thank you for product, will give you an update when the parts are placed on the vehicle

Thanks

Ordered tires got the product and the timely manner. Very happy.

glad you guys still had these tires that are discontinued. thanks just needed the one

Great service and delivery.

Share icon
Return Policy
Returns are easy at Boatplicity

Not happy with a purchase? No problem. We've made returning items as easy as possible. And most purchases can be returned for free for 30 days. Learn more about our Returns Policy