Aeroquip FCA1603 #16 Hose 3′ Air Brake Compressor Discharge Hose Connector. EST, MON to FRI. Brake > Electrical Connectors > Air Brake Compressor Discharge Hose Connector. Aeroquip FCA1603 #16 Hose 3. Aeroquip – FCA1603 – #16 Hose 3′ – Hose – AQP Racing Hose – 16 AN – 3 ft – Braided Stainless / Rubber – Natural – Each.