This part is used to help the belt to rotate the drum. It is white and made of plastic with a metallic bearing in the center.
Home Depot Number: HD11743028
Manufacturer Part Number#:
WP6-3037050
Manufactured by:
Whirlpool
for Maytag, Jenn-Air, International
Why buy the real thing?
OEM stands for Original Equipment Manufacturer. Simply put, this means that the company who made your appliance is also supplying the replacement part for it.