The Spacer is an OEM part for Whirlpool microwaves. It is used to create a specific distance between components, ensuring proper alignment and function within the microwave. This spacer is critical for maintaining the correct positioning of parts during operation. You should replace this spacer if it becomes damaged or worn out. Causes of a bad spacer can include mechanical stress, heat exposure, or accidental damage during repairs or maintenance. A compromised spacer can lead to misalignment of microwave components, affecting overall performance. Symptoms of a bad spacer include: Misalignment of internal parts Unusual noises during microwave operation Improper functioning of the microwave components This OEM part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.8206525 (AP3886326) replaces 1178059, AH1156052, EA1156052, PS1156052.