If you are replacing a motor on your pump then this Seal Kit can ensure better performance. Replacing old or damaged o-rings, gaskets and seals can help your pool or spa pump run more effiecently. This is a repair kit for the Sta-Rite Dura-Glas and Max-E-Glas pumps, used on the older version of the pump made before 98. The kit comes with a housing O-Ring, pot to tank gasket, diffuser O-Ring, lid O-Ring, and a shaft seal.