Shurflo by Pentair Upper Assembly Replacement f/4558 Series High Flow Systems 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-01] Steering Systems | Engine Controls Complete treatment from the incoming

Complete treatment from the incoming water to the holding tank eliminating the unwanted odors associated with toilet systems on boats

Not intended for fast ocean going boats

Keep threads clean with hot

Unused expansion ports capped for future expansion

relay and Red on/off rocker switch

Shurflo by Pentair Upper Assembly Replacement f/4558 Series High Flow Systems 4648 Series Pro BaitMaster II 4.0 Heavy Duty Livewell/Washdown Pumps [94-805-01] Steering Systems | Engine Controls Complete treatment from the incomingUpper Assembly Replacement for 4558 Series High Flow Systems & 4648 Series Pro BaitMaster II 4. 0 Heavy Duty Livewell Washdown Pumps This Shurflo upper assembly replacement is for the 4558 Series high flow systems and the 4648 Series Pro BaitMaster II 4. 0 heavy duty livewell washdown pumps listed below: Shurflo High Flow System 12V 4558 153 E75 (4258 153 A09 [4258 153 E09*]) Shurflo High Flow System 24V 4558 163 E75 (4258 163 A09 [4258 163 E09**]