Hayward SPX1610Z2MNS 2 Speed Motor Replacement for Hayward Northstar Pumps, 1-1/2-HP 2 speed motor replacement Fits hayward northstar pump sp4000 series models sp4005(ns), sp4007(ns), sp4010(ns), sp4015(ns), sp4020(ns), sp4030(ns) This part must be ordered for specific model and hp Capacity 1-1/2-Horsepower Weighs 34.0 pounds