Easily replace a broken or lost mailbox lock with our multipurpose replacement mailbox lock. Installation is quick and easy and the lock works on a variety of brands, including: American Device, Auth-Florence, Bommer, and...

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Product Review

Easily replace a broken or lost mailbox lock with our multipurpose replacement mailbox lock. Installation is quick and easy and the lock works on a variety of brands, including: American Device, Auth-Florence, Bommer, and Miami Carey. Additionally, this replacement mailbox lock has a security feature that prevents the key from being removed when in the unlocked position, which prevents forgetting the key in the lock, ensuring the mailbox is locked every time it is used.

The replacement lock includes a total of 5 zinc plated steel cams, brass pins, a spring steel locking clip and 2 keys. It is made of diecast with a nickel plate finish and a counter-clockwise rotation to open.

Be sure to view the manufacturer's How-To Installation Video also linked on this page.



  • REPLACEMENT LOCK – This multipurpose Prime-Line replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. Features 5 cams and an Hudson 1003M key
  • WORKS FOR SEVERAL BRANDS – This replacement mailbox lock works with several brands of mailboxes, including: American Device, Auth-Florence, Bommer, and Miami-Carey.
  • INCLUDES – Replacement lock kit includes a total of 5 zinc-plated steel cams, brass pins, a spring steel locking clip and 2 keys.
  • LOCKING SECURITY FEATURE – This lock has a security feature that prevents the key from being removed when in the unlocked position, which prevents forgetting the key, and ensuring the mailbox is locked every time it’s used.
  • NOTE – This mailbox lock unlocks by turning the included keys in a in the counter-clockwise direction and has a retaining hex nut and retaining clip

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