Hayward SPX4000HSGKIT Threaded Port Housing Replacement Kit for Select Hayward Pump and Filter Threaded port housing replacement Fits hayward northstar pump series sp4000, sp4000x and max-flo ii pump series sp2700x Also fits hayward ecostar and tristar pump models sp3400vspvr, sp3400vsp, sp3250ee, sp36075ee Also compatible with Hayward SwimClear cartridge filter model C5030 Includes 1 union connector kit, 3 pump housing, 4 strainer basket, 6 and 7 strainer cover kit and 19 and 20 drain plug with o-ring