Exact Replacement Cap for Timer Knob for Whirlpool Washers and Dryers Part Number ER-22003989.
It is made of plastic and chrome/silver in color.
It is 2-1/8" in diameter.
Replaces numbers 22003989, 22003990, AP4027223, and PS2021510.
Designed to fit specific Whirlpool manufactured washing machine models including Amana, Jenn Air, Kenmore, Magic Chef and Maytag.