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Sierra 18-3668 Marine Thermostat Kit 142°F

Manufacturer

Sierra

Picture for manufacturer Sierra

Part Number

118-3668
7 reviews
04/21/2036 3:43 PM
Sale Price

$28.53

In Stock (6)

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Usually delivered within 2 days

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Product Details

The Sierra 18-3668 is a complete marine thermostat kit designed for MerCruiser stern drive engines equipped with GM V-6 and V-8 powerplants. This comprehensive kit includes everything needed for a proper thermostat replacement, featuring a 142-degree Fahrenheit thermostat along with all necessary gaskets and seals for a reliable, leak-free installation.

Kit Contents:

  • 142°F thermostat (Sierra 18-3551)
  • Thermostat cover gasket (Sierra 18-2552)
  • Thermostat gasket (Sierra 18-2553)
  • Thermostat cover gasket (Sierra 18-2554)
  • Thermostat housing gasket (Sierra 18-2917)
  • O-ring seal (Sierra 18-7173)

Key Features:

  • Designed for 1983 and newer GM V-6 and V-8 engines with standard cooling
  • Fits MerCruiser Design #2 thermostat housing
  • Meets or exceeds OEM specifications
  • Engineered to withstand harsh marine environments
  • Replaces MerCruiser part numbers 807252Q4, 807252T4, 807252T7
  • Also replaces GLM 13390 and Mallory 9-43150

Sierra marine products are precision-engineered to meet the demanding requirements of high-performance marine engines and deliver reliable performance in challenging saltwater and freshwater conditions.

I love my BBK parts, especially the fact that they are American made. The only problem I had with this order was from FedEx. I never received any shipping information until they had been sitting at my driveway for 24 hours. I received a notice that they were shipped and delivered all in the same day.

great price

Quick and easy. Conversation with rep was easy and quick as well.

EASY SHOPPING EXPERIENCE!

Quick to order

Fast shipping

Very nice web site.

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