Pump Repair Kit, Fits Brand Dayton, Includes (4) 3/8 in Lockwashers, (4) 3/8-16 X 1 in Bolts, (4) 5/16-18 Hex Head Bolts, (4) Lockwashers, Impeller Shim Kit, Impeller With Lock Nut and O-ring, Mechanical Seal, O-ring