ACDelco 12S2 Professional Engine Coolant Thermostat Seal<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Seals the thermostat housing and helps prevent coolant from leaking from the engine for proper engine temperature</li><li>Professional， premium aftermarket replacement engine coolant thermostat</li><li>Provides the performance and dependability you expect from ACDelco</li><li>Manufactured to meet expectations for fit， form， and function</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41kvb6zCcpL.jpg" noproxy>