Hayward SPX1610Z1BNS Fullrate Motor Replacement for Hayward Northstar Pumps, 1-HP Fullrate motor replacement Fits hayward northstar pump sp4000 series models sp4005(ns), sp4007(ns), sp4010(ns), sp4015(ns), sp4020(ns), sp4030(ns) Capacity 1-hp This part must be ordered for SPecific model and Horsepower Weighs 30.0 pounds