F 550 4WD Super Duty V8-6.0L DSL Turbo VIN P (2003)
Thermostat: Specifications
Thermostat Opening Temperatures
Starts to open - 6.0L .................................................................................................................................................................. 87° - 91°C (188° - 196°F)
Fully open - 6.0L ........................................................................................................................................................................................ 104°C (219°F)