Tall item spray head. This Spray Head is an OEM part for Bosch Dishwashers. It plays a role in distributing water evenly during the dishwasher's washing cycles. Continuous exposure to hard water, debris, or mineral deposits can cause issues with this component. What Causes a Bad Spray Head: Hard water deposits, debris, or mineral buildup can clog or block the spray head, affecting its performance. Physical damage can also impair its functionality. Symptoms of a Bad Spray Head: Inadequate cleaning of dishes Uneven water distribution Reduced water pressure during washing cycles This genuine OEM Bosch part is also compatible with Thermador, Gaggenau and select Kenmore models.Part Number 00167301 (AP2802420) replaces 00552769, 00609087, 167301, 552769, 609087, 935415, AH3439291, EA3439291, PS3439291, PS8697231.