The Lower Spray Arm is an OEM component compatible with GE dishwashers.The spray arm is responsible for distributing water throughout the dishwasher and cleaning dishes. Causes involve mineral buildup obstructing water flow over time, or flexible arm components cracking under pressure. Symptoms of a faulty lower spray arm include: Poor cleaning Slow or uneven spinning rotation during wash cycles Accumulation of food debris under the arm Leaking due to incorrect water distribution This OEM GE replacement part is also compatible with Hotpoint, RCA, and some Kenmore modelsPart Number WD22X155 (AP2039841) replaces 271841, AH260604, EA260604, PS260604, WD22X0144, WD22X0152, WD22X0155, WD22X10009, WD22X144, WD22X152.