DoorKing 4001-035 Lock and Keys

Keep perimeter access secure and minimize downtime with the DoorKing Systems 4001-035 Lock and Keys cylinder. Designed as a direct replacement cylinder (Manufacturer Part Number 4001-035) for DoorKing gate and door hardware, this US-made cylinder provides dependable mechanical security and fast, straightforward installation so facility managers and security integrators can restore access control quickly. The lock-and-keys set offers immediate keyed entry and emergency access redundancy, reducing service calls and helping maintain uninterrupted surveillance and monitoring workflows.

Built for commercial and industrial environments, the cylinder protects gates, barriers, and entry doors from tampering while integrating smoothly with existing DoorKing housings and gate operators. Manufactured in the US for reliable tolerances and consistent keying, it supports master-key or keyed-alike deployments across campus or multi-site facilities. Ideal for property managers, security installers, and IT/AV integrators responsible for physical security, this cylinder complements electronic access control systems and perimeter surveillance setups.

Order the DoorKing 4001-035 Lock and Keys cylinder today to restore secure access and streamline your security operations — perfect for gate operators, access control panels, and monitored entry points.

• Restores secure access quickly — direct replacement cylinder (Mfr. P/N 4001-035) for DoorKing Systems to minimize downtime
• US-made durability delivers consistent quality and tight tolerances for commercial gate and door applications
• Includes lock and keys for immediate installation and emergency keyed entry to support access control and monitoring
• Compatible with DoorKing gate operators and housings, simplifying maintenance and reducing technician time on site
• Supports master-key and keyed-alike configurations for scalable physical security across multi-site installations