Hayward SPX4020TP Threaded Port Pump Housing Replacement for Hayward Northstar Pump Threaded port pump housing replacement Fits hayward northstar sp4000 pump series models sp4005(ns), sp4007(ns), sp4010(ns), sp4015(ns), sp4020(ns), sp4030(ns) Also fits hayward northstar sp4000x pump series models sp4007x10(ns), sp4010x15(ns)/2(ns), sp4015x20(ns)/2(ns), sp4020x25(ns)/2(ns), sp4025x30(ns) Weighs 6.2-pound