The Lower Spray Arm Assembly is an OEM part for GE dishwashers. This part is responsible for spraying water and detergent onto the lower rack of dishes during the wash cycle. Causes of a bad Lower Spray Arm Assembly can include mineral buildup or debris clogging the spray holes, physical damage from impact or foreign objects, or wear and tear over time. Symptoms of a faulty Lower Spray Arm Assembly include: Incomplete or ineffective washing of dishes on the lower rack Water not spraying evenly or not spraying at all from the lower arm Clogged or blocked spray holes Loud noises or grinding sounds during the wash cycle This OEM GE part is also compatible with Hotpoint, RCA, and some Kenmore models.Part Number WD22X10062 (AP4363142) replaces WD22X10059, WD22X10063, WD22X10064, 1475285, AH2339989, EA2339989, PS2339989.