Compressor worked good after a little work. Mounted on my truck for on board air, in a pretty tight spot, had to remove grill, etc. Installed and would not hold air in my air tanks. Checked all lines, check valves, and the next day found out all the compressor head bolts were loose! The thing is running fine now like the other one I’ve had installed for about 15 years now. Hope running it with head bolts loose didn’t hurt it, time will tell.