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Sierra International 18 3450 Marine Outboard Review

3

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Average

Revainrating 4 out of 5  
Rating 
3.8
🌡️ Engine Cooling & Climate Control, 🛠️ Replacement Parts

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Description of Sierra International 18 3450 Marine Outboard

Designed for use with Yamaha outboard engines. Does not include water pump housing. See long description for list of included components. Interchangeable with Mallory 9-48613 and Yamaha Outboard 68T-W0078-00-00. Fit specific, check part numbers to ensure proper fit.

Reviews

Global ratings 3
  • 5
    1
  • 4
    1
  • 3
    1
  • 2
    0
  • 1
    0

Type of review

Revainrating 3 out of 5

Worst Outboard Cooling System Ever

My analysis of this product showed that the cooling system has major flaws .It doesn't provide enough cooling to the engine and caused it to overheat multiple times. The only pro is that it`s easy to install. The cons outweigh it completely AND I would not recommend this to anyone..

Pros
  • High-quality marine outboard engine with reliable performance
Cons
  • Limited compatibility with certain boat models and sizes

Revainrating 4 out of 5

Top-notch Cooling System for Boats!

My analysis of this engine cooling system showed that it is an excellent replacement part .It is easy to install and works like a charm in regulating the temperature of the outboard engine. It's durable and reliable, ensuring that your boat stays cool during long hours of use..

Pros
  • Efficient, high-quality materials, and ensures optimal cooling of the engine.
Cons
  • It is a bit pricey in comparison to other replacement parts in the market.

Revainrating 5 out of 5

Sierra products have never let me down.

Accidents happen. When I received this the impeller that came with it was for the 2-stroke models which have a 0.4mm smaller inner diameter. I called Sierra direct and explained my predicament, he said they would have another one by Friday (it was a Thursday). I assumed they were referring to next Friday, so I was a little upset, but I got it. The next day I get a package in the mail. They nailed my impeller. That, my friends, is customer service. As a marine mechanic I have always looked into…

Pros
  • Water pumps
Cons
  • Hard to say