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Prime-LineS 4129 Mailbox Lock – Replacement, Multipurpose Mailbox Lock for Several Brands – ILCO 1003M Keyway, Opens Counter-Clockwise with 90º Rotation, Nickel Finish (1 Set)

Free shipping on orders over $29.99

$9.92

$ 4 .99 $4.99

In Stock

About this item

  • REPLACEMENT LOCK – This multipurpose Prime-Line replacement mailbox lock is an easy fix and can easily replace lost or broken mailbox locks. Features 1 cam and an Hudson 1003M key
  • WORKS FOR SEVERAL BRANDS – This replacement mailbox lock work with American Device and C-8714 mailboxes
  • 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 a retaining clip


Product Description

The Prime-Line S 4129 Diecast 5 Pin Hudson Keyway Mailbox Lock and Key Set makes it easy to secure your mail. It is designed for use with mailboxes manufactured by American Device and C-8714. The mailbox key set comes complete with a 5 pin mailbox lock, 1 cam, and 2 keys. These multi-cam assortments eliminate the need for individual locks. The mailbox key lock set is constructed of diecast, brass, steel, and stamped steel materials. It features a spring steel locking clip. The steel components come finished in a corrosion-resistant zinc-plated finish. The cylinder face comes in a zinc-plated finish. The lock is easy to install with only a few simple tools. Please refer to the line art drawing for dimensions and compare with your needs before purchasing.

From the Manufacturer

This mailbox lock includes plated steel cams and spring locking clips. This lock is built for strength and durability. It features a 5-pin tumbler and replaces American device locks.


Gail Hunter
Reviewed in the United States on May 20, 2023
It fits perfectly and good quality!!
Romie Plates
Reviewed in the United States on March 4, 2015
quickfix for your mailbox.
Joy B.
Reviewed in the United States on April 5, 2015
Easy to install and fit perfectly to replace a broken lock.
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