Regular Kit contains:
P-9005 Seal (qty 2) (before 1/85)
2-010 O-ring (qty 2) (after 1/85)
2-041 O-ring (qty 1) (before 1/86)
2-042 O-Ring (qty 1) (after 1/86)
P-9015 Seal (qty 2)
Depending on when your pump was manufactured, one or the other O-Ring and Seal will be needed.
Master Kit adds:
P-9014 Impellers (qty 2)
P-9006-A Separator washer (qty 2)
P-8002 Pump pulley
P-8001 Motor pulley
P-8003 Drive belt
WSA-751 WSA or WSB Filter basket
WSA-752 WSA or WSB Strainer basket