About this item

• Easy Replacement Lock: Quickly replaces lost or damaged mailbox locks; includes Hudson 1003M key and 5 cams for flexible fit
• Wide Compatibility: Works with many residential, cluster, and community mailboxes across multiple brands including American Device, Auth-Florence, Bommer, and Miami-Carey
• Complete Lock Kit: Includes 5 zinc-plated steel cams, brass pins, spring steel clip, and 2 keys for full installation
• Security Features: Prevents key removal when unlocked to help ensure the mailbox is locked after each use
• Installation Notes: Unlocks with a counter-clockwise turn; includes a retaining hex nut and clip for secure mounting

Protect your mail and personal information with the Prime‑Line S 4140 Mailbox Lock Set, a dependable and easy‑to‑install solution for restoring or upgrading mailbox security. Designed for both homeowners and property managers, this complete replacement kit delivers a secure fit, long‑lasting durability, and broad compatibility. Engineered for versatility, the S 4140 is compatible with many popular mailbox brands, including American Device, Auth‑Florence, Bommer, and Miami‑Carey. Its adaptable design makes it ideal for residential mailboxes and multi‑unit properties where reliable security is essential. This mailbox lock set features a multi‑cam system with five interchangeable cams, allowing it to fit a wide range of mailbox door sizes and thicknesses. This eliminates the need for additional parts, saving time and money while simplifying installation. Built to last, the lock is constructed from high‑quality diecast metal, brass, and steel components. A zinc‑plated finish protects against corrosion and extends product life in outdoor conditions, while the nickel‑plated cylinder face provides a clean, polished appearance that complements most mailbox styles. At its core, the precision 5‑pin tumbler mechanism ensures smooth key operation and enhanced security. A durable spring steel locking clip helps keep the lock firmly in place for added peace of mind. The kit includes one lock cylinder, five cams, and two keys, providing everything needed for a straightforward installation. For best results, review your mailbox dimensions to ensure proper fit. Reliable, cost‑effective, and easy to use, the Prime‑Line S 4140 Mailbox Lock Set is a smart choice for secure mail protection.