Okay, so your treadmill's power cord gave out? Happens to the best of us! This replacement power cord is specifically designed for ProForm Zt4 treadmills with model number PFTL490131, and it's part number 031229 if you want to be exact. The 7-foot length gives you plenty of reach to your outlet, and the open wire design means it should plug right in without any issues. Honestly, replacing a power cord is one of the easiest fixes you can do - no tools needed, just unplug the old one and plug in this new one. It's way cheaper than buying a whole new treadmill, that's for sure! The cord is built to handle the power demands of your ProForm Zt4, so you don't have to worry about it overheating or failing prematurely. Whether your old cord got damaged, lost, or just stopped working, this is your quickest solution to get back to your walking or running routine. Just make sure to check your treadmill model number before ordering to ensure compatibility. Seriously, if you're tired of looking at that dead treadmill in your home gym, this simple replacement cord could have you back up and running in minutes!