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The Sinister Diesel thermostat housing for 2003–2007 Ford 7.3L Powerstroke is a direct replacement component intended to restore a secure seal at the thermostat outlet. Supplied as a single billet-style housing, it fits the specified 2003–2007 7.3L applications and replaces a worn or corroded factory housing to help maintain cooling system integrity.
Sinister Diesel 03-07 Ford 7.3L Powerstroke Thermostat Housing
