Is your framed shower door getting stiff, squeaky, or not swinging smoothly anymore? The problem might be a worn-out pivot bushing. This is a simple white plastic replacement bushing that's used in the hinge mechanism of many framed swing-style shower doors. Over time, these plastic parts can crack or wear down, causing the door to sag or become hard to open and close. Replacing it is usually a pretty straightforward fix that can save you from having to replace the whole door or call a handyman. Just make sure your shower door is the framed swing type (not sliding or frameless). It's a small, inexpensive part that can make a big difference in how your shower door functions. A must-have for any DIY home repair kit if you've got this style of door.