Restore mailbox security with this replacement 5-pin mailbox lock designed for use with Auth-Florence®, Auth-Electric®, Bommer®, Cutler-Federal®, and other compatible residential, cluster, and community mailbox systems. Featuring an ILCO 1003M keyway and 90-degree counterclockwise rotation, this lock provides a dependable solution for replacing lost, damaged, or worn mailbox locks. The complete set includes a lock cylinder, five interchangeable cams, two keys, a dust cover, and a spring steel retaining clip to accommodate multiple mailbox configurations. Constructed from durable diecast, brass, steel, and stamped steel components, the lock features corrosion-resistant zinc-plated finishes for long-lasting performance. A key-retaining feature prevents the key from being removed while the lock is unlocked, helping ensure the mailbox remains secured after use. The included cam assortment helps simplify replacement by fitting a variety of mailbox designs. Easy to install with basic hand tools, this lock is ideal for DIY mailbox repairs. Before purchasing, compare your existing lock dimensions, keyway, cam style, and rotation direction to ensure proper fit and operation.