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

4.6 (2) Write Review
Free shipping on orders over $29.99

$7.49

$ 2 .99 $2.99

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
2025-06-30 11:42:29
Had to replace my mailbox key nyc landlords suck but it's worked
Happy Camper
2025-04-10 11:10:25
Once I removed the key it would not reinsert. Had to throw it out. Looks made well but a waste of time.