Sierra 18-3500 Thermostat 140°F for Johnson/Evinrude Outboard Engines

Manufacturer

Sierra

Part Number

18-3500
03/12/2036 4:59 AM
Sale Price

$22.64

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 18-3500 is a precision-engineered thermostat designed specifically for Johnson and Evinrude outboard engines. This OEM replacement thermostat opens at 140 degrees Fahrenheit to regulate engine operating temperature and maintain optimal performance.

Key Features:

  • 140°F opening temperature for precise engine cooling control
  • Direct replacement for BRP part number 434137
  • Designed for Johnson and Evinrude outboard motors
  • Quality marine-grade construction for saltwater durability
  • Helps prevent engine overheating and maintains efficient operation

Sierra Marine is a trusted name in aftermarket marine engine parts, offering reliable replacements that meet or exceed OEM specifications. This thermostat ensures your outboard maintains the correct operating temperature for maximum efficiency and engine longevity.

simple

Fast no hassle shopping and saved 10 bucks..:)

hoping things are as they appear superb

Easy to find product and to check out.

Cheap. exactly what I was looking for.

Went Smoothly

good so far. received item on time, maybe even a little faster than I expected. the item was exactly as described, quality is good and exactly what I needed. it has been installed and works great. will do business with Autoplicity again. would definitely

so far so good

Very fast shipping and price is rite

Great prices, fast shipping. Would recommend.

Great prices and ultra-quick order processing and shipping

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