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Sierra 18-3668 Thermostat Kit for GM V6 V8 Engines 142°F

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

18-3668
12 reviews
03/14/2036 10:50 AM
Sale Price

$30.40

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 18-3668 thermostat kit is designed for 1983 and newer GM V-6 and V-8 marine engines with standard cooling systems. This complete thermostat assembly regulates engine temperature at 142 degrees Fahrenheit, ensuring optimal operating conditions for your marine engine.

Key Features:

  • 142°F operating temperature for consistent engine cooling
  • Complete kit includes thermostat, gasket, and O-ring for easy installation
  • Direct replacement for GM marine engines 1983 and newer
  • Compatible with V-6 and V-8 standard cooling systems
  • Quality Sierra marine replacement part

This thermostat kit provides reliable temperature regulation to prevent engine overheating while allowing proper warm-up. The included gasket and O-ring ensure a leak-free installation, making this a complete solution for thermostat replacement on GM marine engines.

Took some doing but i did get to place my order.

Excellent! The shipping was faster then light and the part fit like a glove!

everything was good thanks

Good Price Nice Radio

Thank you for having this in stock with free shipping

very prompt service,items were in stock and shipped next day,salesman was helpful and friendly.Will place in favorites and do buisness with again.

Easy shopping

Quick and easy. Found what we wanted, checkout was smooth.

Easy

Great customer service. Prompt shipment and excellent prices. I will defiantly be ordering from them again. Just wish I would have found them sooner!!

So far so good. I will see once the parts get delivered

it's a great company had the lowest price anywhere that i could find even online. great customer service that will even help you track your order all the way to your house. thanks autoplicity for helping me out and for being there with the lowest price when i needed you.

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