Hayward SPX4010CKIT 1-Horsepower Impeller Assembly with Ring and Seal Replacement Kit for Select Hayward Pump Impeller assembly 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) Also compatible with Hayward EcoStar and TriStar pump series models SP3400VSPVR, SP3400VSP, SP36075EE, SP3250EE Includes ring and seal