Connector tube o-ring. Lower. Right. W/O GT3 RS. 11.00 x 2.50mm. A seal that Prevents oil from leaking out, or contaminants from enteRing the Air Conditioning Refrigerant Pressure Switch. A/C Evaporator Fitting O-Ring. A/C Line O-Ring. A/C Refrigerant Line O-Ring. Exc.Four Zone Climate Control. Four Zone Climate Control. Included with: AC hose, AC Line, Adapter, Connector pipe, Connector Tube, Connector Tube Part has related components that cannot be reused/reinstalled; O-Ring, Front AC Line, Inlet pipe, Lower Pressure Line, Pressure Line, Pressure Tube, Rear AC Tube, Rear Pressure Tube, Return pipe.