DoorKing 4001-052 Lock Cylinder and Keys

Ensure secure, reliable access control with the DoorKing Systems lock cylinder 4001-052 — a rugged, US-made replacement cylinder designed to keep gates and doors operating smoothly. Built to DoorKing’s exacting standards (Manufacturer Part No. 4001-052), this cylinder ships with factory-cut keys for immediate use, reducing installation time and eliminating the need for rekeying on-site. The robust construction stands up to frequent use and outdoor environments, making it ideal for perimeter security, parking facilities, and controlled-entry applications where continuous monitoring and surveillance are required.

This DoorKing lock cylinder supports facility managers and integrators who need a straightforward, cost-effective component for access control systems. With a design focused on durability and compatibility with DoorKing housings, it lowers lifecycle costs by minimizing service interventions and simplifying inventory management. Whether you’re replacing a worn cylinder or stocking maintenance parts, the 4001-052 delivers reliable operation and predictable security performance. Order the DoorKing Systems lock cylinder today to restore secure access quickly or contact our sales team to confirm fit for your specific DoorKing hardware.

• Provides dependable access control for gates and doors, reducing downtime and service calls
• US-made lock cylinder (Mfr. Part No. 4001-052) built for long-term durability in perimeter security applications
• Supplied with factory-cut keys for quick replacement and consistent keying across sites
• Simple drop-in replacement that minimizes installation time and labor costs for facilities teams
• Improves overall security posture and integrates with monitoring and surveillance programs