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Lost your mailbox key or need to rekey?

This Prime-Line S4049 is a direct replacement lock.

Keyed, 5/16-inch bolt, brass plated finish.

Fits standard residential mailboxes.
MPN S4049, UPC 049793040497.

Brand new, simple install—just swap out the old cylinder.
Free express shipping if you're in the US.
No more taping your mailbox shut.

Small fix, big convenience.

4.9 out of 5