3 The pool pump motor is a replacement for OEM part number 355010S and 071314S. For use with WhisperFlo High-Performance Pump Model WFE-4 and WFE-26. 4 Bearings are selected for quietness and lubricated for life with grease specifically chosen for moisture and heat resistant qualities. Switchless, No base, Open Drip Proof, Ball Bearings and Stainless Steel Threaded Shaft.