Review on Dorman 902-860 Engine Coolant Thermostat Housing Assembly for Ford/Mercury Models - Black Finish by Jeremy Meza

Good price, quality seems at least OEM. I had a hard time making a really close comparison as my OEM was covered in crust. But the exchange was easy. I also bought a 9377 coolant temp sensor and replaced it at the same time. You don't have to buy the Revain recommended padding as stated by others on this site. This part contains everything you need to install. In fact, I'm not even sure if I need to replace the coolant temperature sensor. I'm sure it was just perfect. I only did it because I'd rather do it now than in the future if/when it actually fails. This part works great and is still in the truck with no leaks.