The Hinge Spring is an OEM part for LG dishwashers. This spring works with the door hinge to provide the necessary tension for smooth opening and closing of the dishwasher door, ensuring it stays securely in place when opened or closed. Over time, the hinge spring can become worn out or break due to regular use, metal fatigue, or accidental impacts. Causes of a bad hinge spring include excessive wear, rust or corrosion, and physical damage from forceful door operation. Symptoms of a bad hinge spring include: The dishwasher door dropping suddenly or not staying in the open position Difficulty in opening or closing the door smoothly Unusual noises, such as squeaking or popping, when operating the door The door feeling loose or unbalanced This OEM LG part is also compatible with Sears/Kenmore models.Part Number 4970ED4004G (AP4997045) replaces 4970ED4004A, 1337780, AH3524564, EA3524564, PS3524564.