I am ready to do the dreaded PHH replacement. I went to NAPA to get some of the famed silicone heater hose. The salesman gave me some red hose. It was relatively cheap, like 1.50 a foot. He said it was rubber on the outside, but silicone on the inside. I bought a foot, but now I think the salesman was wrong, and that this red hose is just plain heater hose. It does have a black innner liner, but I think the red is just a color thing. Anybody know for sure? On the plus side, the salesman was able to find the fancy "constant tension lined hose clamps" in his big NAPA catalog that were recently praised in this thread: https://forum.ih8mud.com/index.php?board=2;action=display;threadid=7219;start=30 They were 3 bucks a piece, but should only take a day to get with no extra shipping charge. They also had other varieties. And one more thing-- when searching the gates web site for info this "red silicone lined heater hose" I did find some info on the gates green stripe versus silicone. The site specifically says that green strip leaks less and lasts longer. http://www.gates.com/brochure.cfm?brochure=925&location_id=1175 I think I may get a foot of the green stripe and give it a try first-- see if I can get it on before I use the silicone. I assume that the constant tension clamps work for the green stripe? Jared PS Never has so much blood sweat and tears went into one little 50 mm piece of heater hose. We are all probably way over-reacting here. Someone should try a piece of used garden hose attached with duct tape-- it would probably still last ten years.