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Sierra 18-3118 Water Pump Housing for Mercury/Mariner Outboards

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3118
10 reviews
Sale Price

$22.34

In Stock (10)

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Usually delivered within 2 days

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Live-in-stock inventory

Live-in-stock inventory

Fitment guaranteed

Fitment guaranteed

Product Details

The Sierra 18-3118 is a high-quality aftermarket water pump housing designed as a direct replacement for Mercury and Mariner outboard motors. This upper water pump housing is a critical cooling system component that houses the impeller and directs water flow through your engine's cooling system.

Key Features:

  • Precision-engineered to meet or exceed OEM specifications
  • Constructed from durable materials for long-lasting performance
  • Direct replacement for Mercury Marine OEM part number 46-77822A1
  • Compatible with 40-70 HP 2-stroke Mercury and Mariner outboards (1977-1997)
  • Also fits select 20 HP models

OEM Cross-References:

  • Mercury Marine: 46-77822A1, 46-48746A1, 46-48746A3
  • GLM: 12420
  • Mallory: 9-43202
  • AP Part: 1109

This housing is designed for use with various Sierra water pump kits including 18-3507, 18-3322, 18-3323, and 18-3324. Sierra Marine is known for manufacturing premium aftermarket marine engine parts that provide reliable performance and excellent value. Each Sierra product is backed by their comprehensive warranty covering both parts and labor.

everything was easy and fast

Easy to product and checkout.

Quick and easy. Informative on the product to be able to compare other items to make best decision

ordering was simple, paying was very quick and easy with amazon.

seemed a bit hard to find products, but the prices were great and delivery prompt

Quick and Easy

Incredible prices! I purchased a name brand leveling kit for 40% less than any one else is selling them for. Item shipped out within 2 days. Shipping cost is reasonable, and if you leave a review here after your purchase, they'll credit you back $5! BEST DEAL GOING!

great price for turbo timer. received it in a couple of days. great

so far so good

Shopping was quick and fast now just waiting on order Got order and can't wait to install

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