Hayward Northstar Go Kit, Complete Pump O-Ring Rebuild Kit, (Pumps 2003 thru 2007) If you would like to recieve the parts in the photo, order from BadAss Pool Supply Pump Union O-Rings (2) SPX4000Z1 Lid T-Ring SPX4000TS, Seal Plate O-Ring SPX4000T Drain Plug O-Rings (2), Diffuser O-Ring SPX4000Z1 US Seal PS-3890 Shaft Seal, O-Ring Lube and Directions.