Experiencing issues with your dishwasher's spray arm? The cover-duct nozzle (DD63-00096A) could be the culprit. This genuine Samsung part connects your spray arm manifold to the water feed tube, ensuring water flows correctly. A malfunctioning cover-duct nozzle may lead to ineffective cleaning or water leaks. Remember to disconnect your appliance before installation. Check your appliance's model number for compatibility.