8558307 Dishwasher Dispenser Cap - For Whirlpool Kenmore Dishwashers WPY312959 or holes in the mesh

or holes in the mesh

The knob's internal socket is stripped and spins freely on the shaft

Disconnect the dryer from all power sources before beginning installation

suggesting the rubber on one or more rollers has developed a flat spot

Lowe's AquaSource: 98923

8558307 Dishwasher Dispenser Cap - For Whirlpool Kenmore Dishwashers WPY312959 or holes in the mesh8558307 WP8558307 Dishwasher Rinse Aid Dispenser Cap Key Features High Temperature Structural Polymer: Manufactured from a specialized, heat stabilized plastic designed to withstand the intense thermal stress of "Sani Rinse" and "Heated Dry" cycles without warping or becoming brittle. Integrated EPDM Rubber Seal: Features a high performance internal rubber gasket that creates an airtight and watertight seal, preventing rinse aid from leaking into the