FMSI > Air Conditioning System > Service > Sealing Washers, Gaskets, Service Ports & Caps > Refrigerant Port Valve Core > Item # 5103 FMSIFMSI Air Conditioning SystemAir Conditioning System ServiceService Sealing Washers, Gaskets, Service Ports & CapsSealing Washers, Gaskets, Service Ports & Caps Refrigerant Port Valve CoreRefrigerant Port Valve Core Item # 5103 Item # 5103, STV / POA / VIR 5103STV / POA / VIR Request Information Email This Page Download PDF Download PDF Printable Page Close Window Unit of Measure Imperial Metric Both