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Sierra 18-3543 Thermostat 143°F for Johnson/Evinrude Outboard Engines

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3543
21 reviews
03/12/2036 10:48 PM
Sale Price

$15.78

In Stock (10+)

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Usually delivered within 2 days

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Fitment guaranteed

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Product Details

The Sierra 18-3543 is a high-quality replacement thermostat designed for Johnson and Evinrude outboard engines. This thermostat is calibrated to open at 143 degrees Fahrenheit, ensuring optimal engine operating temperature and protecting your outboard from overheating damage.

Key Features:

  • Opening temperature: 143°F (62°C)
  • Direct replacement for BRP/OMC part number 435491
  • Precision-engineered to OEM specifications
  • Corrosion-resistant construction for marine environments
  • Helps maintain proper engine temperature for efficient performance

Sierra International is a trusted name in marine engine parts, offering reliable replacement components that meet or exceed original equipment standards. This thermostat is an essential maintenance item for keeping your Johnson or Evinrude outboard running smoothly and efficiently.

All good . Fast shipping items as described

Great!

Fast delivery

Easy to order, now just wait for product.

simply as expected.

6

I ordered an Alternator, it arrived on Saturday via Federal Express. It fit and works perfectly! Very happy with my purchase!! Best prices and well worth the short wait. I'd have paid twice as much locally, for a far more inferior product.

Great

easy , good price, instant 20% discount freight, hopefully will fit my 1985 chevy el camino v6 4.3 liter and delivered on time. thank you

Quick and easy.

Bought the Go Rhico 310c...<br>Fast Shipment and Best price all around..<br>Brand new product... A++++++++

Searching and product listings could be a bit easier to follow along with and cleaner. That is my only complaint.

Super quick ordering No problems at all. Would do it again.

Easy and quick

quick and easy......good price

Easy web site navigation. Excellent service, thank you.

First Order best price found online fast shipping

Very easy. Tried O'Reilly's and that was a pain. I'm ordering from Australia.

Quick and easy, great checkout w/Amazon.

I was genuinely impressed with their price for my item and truly happy with the speed of their shipping. I'll definately look forward to buying from Autoplicity in the future!

The lowest price on the web.<br>Shipped same day.

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