O-Ring Replacement Seal Kit (Pre 2012) For Polaris Booster Pump PB4-60 3/4 hp Southeastern Accessory (TM) O-Ring Replacement Seal Kit (Pre 2012) For Polaris Booster Pump 3/4 hp PB4-60 Includes: 1) Shaft Seal O-ring Replacement For O-30 P40 2) Volute O-ring replacement For O-299 P95 3) Pump Shaft Seal Replacement For PS-1000 AS-1000