The Whirlpool W10888591 includes a dishwasher pump and motor assembly. It's a necessary component for proper water circulation throughout your dishwasher during the wash and rinse cycles. A functional pump and motor are essential for effective cleaning because they ensure enough water flow to thoroughly clean your dishes. Insufficient water circulation can make your dishes dirty or greasy. Extended wash times as the dishwasher struggles to complete the cycle due to insufficient water flow. Incomplete cleaning, resulting in poor washing performance. Replacing a faulty pump and motor with the Whirlpool W10888591 can restore your dishwasher's peak performance and ensure that your dishes are washed thoroughly and efficiently.