The Whirlpool WP8558307 Rinse Aid Dispenser Cap for Dishwasher helps keep the rinse aid securely contained for effective dispensing during wash cycles. This replacement component covers the rinse aid reservoir and helps prevent spills or leaks during normal dishwasher operation. It allows the rinse aid dispenser to function as intended, supporting improved drying performance and helpi... https://www.partsmelange.ca/whirlpool-wp8558307-rinse-aid-dispenser-cap-for-dishwasher