18-3555 Thermostat

***Warehouse Closure Notice***

We are taking a short break! Our warehouse will be closed for dispatching at the close of business on Thursday 16th January 2025, and will resume operations at a reduced capacity from Tuesday 30th January 2025.

Please note the following:

Our phones will not be manned from Friday 17th January to Monday 10th February.
Orders can still be placed on our web store during this period, but please expect delays in dispatch.
We will continue to respond to emails and web store inquiries.

Thank you for your understanding & Safe Boating!

Sierra Thermostat- 18-3555

Temperature Rating: 160°F
Fits: 1998 & newer GM V-6 & V-8 engines with closed cooling

Use With:
Thermostat Kit- 18-3667
Thermostat Kit- 18-3568

Interchangeable with the following:

GLM
13040

Mercruiser Stern Drive
991551
99155A1

(A-S-18-3555)

SKU	A-S-18-3555
Model #	18-3555
Brand	Sierra
Shipping Weight	0.0700kg
Shipping Width	0.072m
Shipping Height	0.056m
Shipping Length	0.063m