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The Sinister Diesel thermostat housing for 2003–2007 Ford 6.0L Powerstroke is a CNC-machined billet aluminum replacement that resists corrosion and provides a thick base plate for a reliable seal. Anodized in Sinister Blue, it’s built to reduce leaks and improve longevity. Includes the billet housing and O-ring seal. Note: not compatible with Mishimoto thermostats.
Sinister Diesel 03-07 Ford 6.0L Powerstroke Thermostat Housing
