Salsbury Industries3390 Standard Replacement Lock for F Series Cluster Box Unit Door with Three Keys

We originally bought a replacement lock locally at a big box store that was a piece of garbage and didn’t work. I googled the number on the original lock, and found this direct replacement on Amazon. It’s a perfect fit that took less than a minute to install. Considering the wasted 30 minutes of frustration with the big box store lock and another hour of online research spent as a result, the cost difference for this quality lock is more than justified. I only wish these were available locally so I didn’t have to wait for shipping.

Just got a new home and wanted to change out the mailbox lock. The old one is held by a C-clip, pops right out. This one installs in seconds. Works great and comes with 3 new keys if I recall correctly.

Now this is a complete USPS mailbox lock kit! I purchased a kit before this one and it did not include the locking bracket. So I returned it and ordered this, this kit includes everything you need for a total lock replacement and even includes three keys. This matced the old USPS lock perfectly. I got quotes from locksmiths that wanted to charge me between $100 to $150 to replace the lock. Fortunately I found my Postlady and ask her if she could please open up my box once I proved I was the new owner. It took me about a minute to remove the old lock and about three minutes to install the new one (videos are plentiful on YouTube). It fit perfectly and matched all of the other locks in the mailbox array which was a necessity since I'm part of a homeowners association and everything has to be within code. This kit might be a few dollars more but spend the extra money, look at the other kits on Amazon and most of them only have two keys and no locking bracket, this one has both. Highly recommended kit, you won't be sorry.

Fit perfectly to the mailbox, the only issue is that the key doesn't go out easily but I bought graphite and works better.

Purchased this for my mother who lost both keys to her community mailbox. The mail carrier told her that it is cheaper to purchase these locks on line than through U.S.P.S. When my mother received it, the mail carrier installed it for her. Now, that is service! The lock works great and comes with three keys. You will need to insert each key into the lock several times to 'break them in'.