Introducing “The RAT Stat” – proudly Made In USA – these thermostats will bring your average Ecoboost temperatures from 198°-215° down to the 180°-192° range*.  Cooler motors make more power!  Especially high horsepower/turbocharged applications!

This is a simple, affordable, effective upgrade for all 3.5L Ecoboost owners that will give you added performance, including peace of mind for those of you who are using your vehicles for towing or performance.

The RAT Stat 4D V2 fits the following vehicles:

  • 2011-2020 Ford F150 3.5 Ecoboost
  • 2017+ Ford F150 Raptor 3.5 Ecoboost
  • 2017+ Ford Expedition 3.5 Ecoboost
  • 2017+ Lincoln Navigator 3.5 Ecoboost

Install Note: For Gen 2 Motors, install thermostat with oem ring from factory thermostat. Discard the o-ring that comes with the version 2 thermostat.