Theromstat for 4.7l
Caracticus Potts The Mod
Joined: Jul 2009
Posts: 5,298
Likes: 9
From: Hainsville, NJ
Model: Grand Cherokee
it is a plastic housing, which often times is leaking coolant when the engine is cold. Be careful replacing the thermostat because the 10mm(6x25mm) bolts that hold it together break pretty easy if you over tighten them


