The Control Light Reflector is an OEM part for Whirlpool dishwashers. It is located inside the control panel area and is responsible for reflecting light from the interior control lighting. This helps illuminate the control buttons and display screen for ease of use and readability. Causes of a bad control light reflector can include cracks, chips or discoloration to the reflective surface, reducing its effectiveness over time.  Symptoms of a bad control light reflector include: Dim or poorly lit control buttons and display screen   Difficulty seeing settings and cycle status Increased difficulty operating the controls in low-light rooms This Whirlpool part is also compatible with Maytag, KitchenAid, Jenn-Air, Amana, Magic Chef, Admiral, Norge, Roper, and Kenmore models.Part Number W10854407 (AP5989885) replaces 4383821, PS11731283, W10274836.