The Frigidaire Dishwasher CDB500CGB2 Upper Spray Arm is a replacement part designed specifically for Frigidaire dishwashers. It is compatible with models such as F71C24RJB0, CDB500CGS3, CDB600KS0, and others. The set includes the upper spray arm and a spray arm nut, making it suitable for use in dishwashers. Made in the United States, this spray arm is essential for ensuring proper function and cleaning efficiency in your dishwasher.