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

Quality of parts is good. Contrary to what was stated in the Q&A and by the manufacturer, mine actually came with an o-ring for the coolant temp sensor if you decide to port yours from the old part. The questions and answers are mostly random because everyone seems to have different answers. Let's get to the installation. Quite easy. There's a lot less dirt when the coolant is drained first. So you can replace it with fresh coolant, which won't hurt. The old part came off without removing any other components. However, since the clamp on the lower hose connection was difficult to reattach, I removed the V-ribbed belt tensioner and a screw from the air-conditioning holder. This made the yoke more accessible. All in all it took me about two hours, but I was in no rush. Probably saved a few hundred dollars. Time will tell how it holds up.