Supco LP121 Replacement drain pump for direct-drive washer with 2 large ports: 1-3/8" ID and 1-1/2" ID with backflow flap valve on 1-1/2" port. Most commonly used on Kitchen Aid washers, but also used on Whirlpool, Roper, Estate, and Kenmore Washers with LARGE outlet ports. Direct replacement for Whirlpool 3363892 and ER3363892. Lower cost alternative to OEM. Fully guaranteed, quality replacement part by Supco. Click MORE DETAILS link for specific model coverage.