The Aladdin GOKIT3 Tune Up Kit - Hayward Super Pump Series 160026002600X is part of the Gasket and O-Ring Kits (GO-KIT) which are the Pump and Valve Repair Kits of Aladdin. With each kit containing O-rings, gaskets, seals, and connectors, it also contains a package of Magic Lube which is a PTFE-based sealantlubricant with a USDA H-1 rating for environmental safety or Magic Lube II - Silicone for valve kits. The GO-KIT 3 is intended for Hayward Super Pump Series 1600, 2600, 2600X pumps and contains 1 AS-1521 Seal, 1 G-95 Housing Gasket, 1 O-141 Diffuser Gasket, and 1 O-177 Lid Gasket.