Buy 1999 Ford F-150 4.2L Triton V6 M/T 4WD XLT Extended Cab Pickup Fleetside Engine Coolant Thermostat - OEM Ford Part # F75Z8592CC (F75Z-8592-CC)

Thermostat. Housing. hsng. Connection - Water Outlet. Engine Coolant. Water Neck.
Engine Coolant Housing where a Thermostat is used but not included.

Engine Coolant Thermostat Housing

Fits E-150, E-150 Club Wagon, E-150 Econoline, E-150 Econoline Club Wagon, E-250, E-250 Econoline, F-150, F-150 Heritage, Windstar

4.2 LITER. E150-250 Vans. F150. F150, MARK LT; 4.2L. Windstar; 3.8L.
Engine Coolant Thermostat Housing - Repair or Replace
A failed thermostat housing will likely result in a cooling system leak, or will cause the engine in your 1999 Ford F-150 to overheat. Consider replacing your engine coolant thermostat or having our staff of expert techs handle it for you.