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Prime-Line MP4300 Mail Box Lock Cutler-Fed with Dust Cover, Nickel (Single Pack)

Free shipping on orders over $29.99

$7.49

$ 3 .99 $3.99

In Stock

About this item

  • Fits Cutler Federal exterior residential gang boxes
  • Keyway features spring-loaded dust cover
  • Spring clip installation
  • 5-Pin tumbler
  • 1-9/16 inch long cam
  • Please refer to the line art drawing for dimensions and compare with your needs before ordering


This mailbox lock is constructed from diecast and has a nickel-plated face and cover. It features brass pins, zinc plated steel cam and a spring steel-locking clip. This type of lock replaces original equipment manufacturer's product.


Works good
Reviewed in the United States on July 7, 2024
Had to replace my mailbox key nyc landlords suck but it's worked
Happy Camper
Reviewed in the United States on December 6, 2023
Once I removed the key it would not reinsert. Had to throw it out. Looks made well but a waste of time.