DoorBird 423860179 3xPIR Motion Sensor Replacement Cap

Keep your perimeter security and entry monitoring performing at peak levels with the DoorBird 423860179 3xPIR Motion Sensor Replacement Cap pack. Designed for quick field servicing, these OEM replacement caps are made specifically for DoorBird PIR motion sensors and Series D10x intercom systems, helping you restore accurate motion detection without replacing the entire unit. Each pack includes three caps (Manufacturer Part Number 423860179) so technicians can complete on-site repairs and scheduled maintenance efficiently.

Easy to install and engineered for precise fit, the caps help shield the sensor element from dust and debris that can degrade performance over time. By replacing worn or damaged caps you preserve detection sensitivity and reduce false triggers—improving reliability across your security, surveillance, and monitoring installations. Ideal for security integrators, facility managers, and service teams maintaining DoorBird systems.

Stock these spare parts to minimize downtime and extend device life — order the DoorBird 3xPIR replacement caps today and keep your access control and video monitoring systems operating smoothly.

• OEM-fit replacement caps for DoorBird PIR motion sensors, restoring optimal detection and prolonging device life
• Pack of three caps reduces downtime and keeps multiple units maintained on-site
• Compatible with Series D10x motion sensors and intercom systems for seamless swapping
• Easy, tool-free installation for fast maintenance and minimal service disruption
• Protects sensor elements from dust and debris to support reliable security monitoring