A/C Receiver Drier Kit. A/C System O-Ring and Gasket Kit - Part 1321322 - Quantity 1. A/C Expansion Valve - Part 3411905 - Quantity 1 gpd System Service Kits include an Accumulator/Receiver Drier/Desiccant Bag, Expansion Device/Orifice Tube, Rear Expansion Device (if equipped) and an O-Ring Rapid Seal Kit (unless otherwise noted).