WP3363394 Whirlpool Washer Drain Pump The WP3363394 Whirlpool Washer Drain Pump is a replacement drain pump designed for compatible Whirlpool washing machines. The drain pump helps remove wastewater from the washer during the drain cycle. If your Whirlpool washer won’t drain, leaves water in the tub, drains slowly, or makes unusual noises during draining, the … Continue reading WP3363394 Whirlpool Washer Drain Pump – Replacement Part