The Doorking 1837-020 is a genuine OEM wire harness — Wire Harness Assembly 090.
Designed for the DoorKing 1837 telephone entry system, 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.
