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Sierra 18-3151 Water Coupling Assembly

Manufacturer

Picture for manufacturer Sierra

Part Number

18-3151
12 reviews
Sale Price

$13.46

In Stock (10+)

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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 18-3151 is a replacement water coupling assembly designed for MerCruiser stern drive cooling systems. This precision-engineered coupling component ensures reliable water flow through your marine engine's cooling circuit, helping maintain optimal operating temperatures and prevent overheating.

Key Features:

  • Direct replacement for MerCruiser OEM part number 816597A1
  • Compatible with Alpha One Gen II drives (1991-2019) and Vazer Drive applications (1998)
  • Fits multiple Mercury outboard engines including 200-250hp models (1994-1998)
  • Constructed from durable materials for long-lasting marine environment performance
  • Lightweight design at approximately 0.32 ounces

Cross-Reference Numbers: GLM 12041, GLM 12824, Mallory 9-78110, MerCruiser 816597A1

This water coupling assembly is an essential component in your marine drive's cooling system, connecting water tubes to ensure proper coolant circulation. Sierra marine parts are manufactured to meet or exceed OEM specifications, providing reliable performance and value for boat owners and marine technicians.

Thanks

Very Quick and easy to place an order, let's see how fast it arrives!

Best price

Great service so far

My first order did not include all parts. I'm ordering a different part number now. The seller is giving me a discount due to this inconvenience. We will see how it goes.

Good prices. Fast shipping. Fit my 2011 Dodge 3500 Mega Cab Dually perfect. Thanks.

quick and easy ordering process

Great priced items. was WAY under what others wanted. shipped fast also. A+ seller. I will buy from again.

Very Good.

good

GOOD SERVICE, FAST SHIP, CHEAP PRICE

I was unable to check out with Paypal

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