Drain Pump For Whirlpool Washing Machine. The item “WP34001320 Whirlpool Washing Machine Drain Pump” is in sale since Monday, April 20, 2020. This item is in the category “Home & Garden\Major Appliances\Major Appliances Parts & Accessories\Washer & Dryer Parts”. The seller is “rose7366″ and is located in Chadds Ford, Pennsylvania. This item can be shipped to United States.