A rusty or bent upper rack can make dishes hard to load and may block the spray. The replacement rack provides storage for smaller dishes and slides along the upper rails. First check the wheels, clips, adjusters, spray parts, and rail stops for wear. These items are not included with the rack. Match the rack to the complete appliance mod...Read moreel and compare its size and mounting points. Remove all dishes, support the rack while sliding it out, and note where each part fits. After installation, make sure the rack moves freely and cannot leave the rails.