Durability tested on every new design KIT 9441516 includes A/C Receiver Drier Kit. A/C Receiver Drier - Part 1411670 - Quantity 1. A/C System O-Ring and Gasket Kit - Part 1321261 - Quantity 1. A/C Expansion Valve - Part 3411373 - 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).