My Account
Shopping Cart

Shopping Cart

0 items in your Cart
View Cart
Subtotal
Track
My Order

Sierra 18-3414 Water Pump Base for Mercury/Mariner Outboard Motors

Manufacturer

Picture for manufacturer Sierra

Part Number

118-3414
5 reviews
Sale Price

$33.29

3 left at this price

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 18-3414 Water Pump Base is a precision-engineered replacement component designed for Mercury and Mariner outboard motors. This high-quality water pump base is manufactured to meet or exceed OEM specifications, ensuring reliable performance and proper fit.

Key Features:

  • Built with quality materials for long-lasting durability
  • Engineered to OEM specifications for precise fit and function
  • Essential replacement component for water pump maintenance and repair
  • Compatible with Mercury/Mariner outboard engine cooling systems

OEM Cross-References:

  • Mercury 46-96146A5
  • Mercury 46-73804A1
  • GLM 12370
  • Mallory 9-43304

This water pump base is a critical component of your outboard motor's cooling system, providing a mounting surface and housing for the water pump assembly. Sierra Marine parts are trusted by marine professionals and boat owners worldwide for their quality construction and dependable performance.

Good

THANKS

Delivered pretty fast

Best price online for years! Thank you thmotorsport

VERY FAST SERVICE

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