●All Mid Valley parts are manufactured to specification for fit, form, and function. Aluminum Thermostat Housing Assembly Including Sensors. This is the dual "clip-in" style sensor lower housing, Upper housing is angled toward the front of the vehicle, some other models are angled toward the right fender of the vehicle, please see application list. ●Interchange Part Number: 1L2Z 8255-AA, W702041S300, 3L8Z12A648A ●For Ford Explorer 2002-2010 For Ford Explorer Sport Trac 2007-2010 For Mercury Mountaineer 2002-2010 ●This kit includes: Lower Thermostat Housing, Lower Thermostat Housing to Engine Gasket, Upper Thermostat Housing, Upper Thermostat Housing to Lower Thermostat Housing Bolts (3), Thermostat, Thermostat O-ring Seal, Coolant Temperature Sensor ●Support one year warranty