Doughboy 308-1052 Strainer Body O-ring (1984), Doughboy 308-1067 Power Pak 2 Lid O-ring, Doughboy 308-11 67 Power Pak 2 Lid O-ring, Hayward SPX5500H Lid to Housing O-ring for Powerflow Matrix A/G Pump, Pentair/PF 35-4634 Bracket Diffuser O-ring (After 12/93)