18-3653 - Thermostat Kit

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Part Number

Sierra Marine

Replaces OEM 0383307.

18-3653 Thermostat Kit

18-3554 383307 Thermostat
18-2858 314809 Manifold Gasket
18-2917 3701777 (GM) Thermostat Gasket
18-2947 310913 Thermostat Gasket

Note: The 18-3653 contains all the parts included in the 18-3677 plus some additional items, and 18-3653 is often a better price.


Warranty (PDF)
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Sierra Marine Thermostat Kit is equivalent to parts:

Sierra Marine is the market leader for aftermarket marine engine parts. Sierra products cover every major engine brand. Sierra offers a comprehensive product line and an unsurpassed customer satisfaction warranty covering parts and labor.