Is your dryer making weird noises or not spinning properly? Chances are you need this idler pulley replacement. This 279640 pulley is made with high-quality materials to actually last, unlike some of the cheap alternatives out there. It comes with the tri-ring and gasket already included, which is handy because you'll need all those pieces when you're doing the repair. This little wheel is what maintains the right tension on your dryer's drive belt to keep the drum spinning smoothly. The compatibility list is massive - it works with Whirlpool, Roper, Admiral, Maytag, Hardwick, Jenn-Air, Estate, Magic Chef, Crosley, Inglis, Norge, Modern Maid, Amana, Kenmore, KitchenAid, Caloric, and even Ikea dryers. It replaces a ton of part numbers too: 2958, 3388672, AP3094197, PS334244, W10468057, and several others. If you're somewhat handy, replacing this yourself can save you a pricey repair service call. The installation isn't too complicated - there are plenty of YouTube tutorials showing exactly how to do it. Just make sure to unplug your dryer first (safety first!). Having your dryer working properly again means no more trips to the laundromat or waiting days for damp clothes to air dry. It's one of those repairs that feels super satisfying to do yourself.