This product has been discontinued.
Sierra
Thermostat 160 Degrees - 18-3554 - Sierra
Price: $21.28
 Discontinued
Save: $11.71
(35% Off $32.99)
Part # 18-3554
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(Discontinued)
Description Customer Reviews Customer Questions & Answers Shipping
Replaces OEM part #
  • OMC 383307
Average Customer Review for Thermostat 160 Degrees - 18-3554 - Sierra
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just what I needed...
by David from Plano, Texas on October 14, 2013
hard to find parts for obsolete boat and outdrive. thanks for stocking this stuff.
(2 of 2 people found this review helpful)
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Q:
Will this work in a 1991 OMC King Cobra 454 HO?
A:
No. The thermostat for your engine is 3853983.

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Q:
Dimensions of this thermostat? Height below and above the flange?
A:
Sierra does not have that information. We can only match up thermostat by application and OEM number. If you can call us at the number at the top of the page with your engine model number we can take a look.

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