The Upper Spray Arm Bearing is an OEM part for GE dishwashers. It supports the upper spray arm, allowing it to rotate smoothly and distribute water evenly throughout the dishwasher. This ensures that all dishes receive a thorough cleaning during each cycle. Over time, the upper spray arm bearing can wear out or become damaged. Causes of a bad bearing can include repeated use, mineral buildup from hard water, or physical damage due to mishandling. Symptoms of a bad Upper Spray Arm Bearing include: The upper spray arm not rotating properly Ineffective cleaning of dishes on the upper rack Unusual noises during the wash cycle This GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore models.Part Number WD01X10410 (AP4412557) replaces WD01X10209, 1475211, AH2353863, EA2353863, PS2353863, WD01X10102, WD1X10102.