Strainer Cover T O-Ring SPX4000TS

This is the second version for the North Star Pump Lid O-Ring. The o-ring is actual called a t-ring and is shaped as a "T" and is ribbed. This part only fits pump dome lids with the part number SP4000T embossed on the underside lip of the dome, NOT the black collar. The complete dome lid, black collar and o-ring is part # SPX4000DLT. This also ONLY fits pumps with the suffix NS on the pump housing. EX. SP4015NS