The Doorking 1603-171 is a genuine OEM replacement part — Tunnel Extension 18in Red.
Designed for the DoorKing 1603 barrier gate operator, this factory-original component ensures correct fit and reliable performance. Installing genuine DoorKing parts protects your operator warranty and avoids the compatibility problems common with aftermarket substitutes.
In stock and ready to ship from GateHouse Supplies. Contact us for compatibility questions or bulk quantity pricing.