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Replacement Mailbox Door Jumbo - 11"(W) X 14"(H)

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The RetroFit is an easy to use, easy to install, snap-in replacement mailbox door, for standard 11"  US post office mailboxes. The RetroFit simply snaps in, and remains secure to fit in virtually all commercially available standard 8" mailboxes. See photos for illustration of dimensions.   

The Retrofit is designed to account for small variances in mailbox diminsions, to account for manufacturing variances among the different mailbox manufactures. Also, the exact measurement may depend on whether you measure the inside of the mailbox ridge, or the outside of the mailbox or mailbox door. The RetroFit is designed for steel and aluminum mailboxes and has not been tested for plastic mailboxes

The RetroFit insert is ideal for broken monument and brick mailboxes where removal of the original mailbox is prohibitive. The RetroFit will also work perfection on any standard post mailbox.  

Installation takes less than 5 minutes and no tools are required. With the RetroFit, there is no need for grinders and saws to remove the protruding mailbox, and requires no glues to hold in place. The RetroFit is a solid, permenant solution, that can easily be remove and replaced if damaged again. 


Product Videos

How to repair a brick mailbox door (01:50)
How to install a replacement mailbox door on a brick or monument mailbox utilizing a Bayshore Retrofit snap-in insert. Direct Links below! Subscribe for exclusive access to NEW product updates Check us out on these participating sites for ALL holiday deals **Amazon** https://www.amazon.com/stores/node/15834079011?_encoding=UTF8&field-lbr_brands_browse-bin=Bayshore%20Mailbox%20Company&ref_=bl_dp_s_web_15834079011 Other Available Products Include: MailBox Flag https://www.amazon.com/RetroFit-Premium-Mailbox-Flag/dp/B07Z493N5S/ref=sr_1_5?keywords=retrofit+mailbox+flag&qid=1576265537&sr=8-5 Mailbox Door Latch https://www.amazon.com/Mailbox-Latch-and-Handle-Kit/dp/B07XQ1K14F/ref=sr_1_4?keywords=mailbox+latch&qid=1576265663&sr=8-4 Mailbox Internal Rust Sleeve http://bayshoremailboxco.com/newinternalrustsleeve.aspx **Walmart Marketplace** https://www.walmart.com/ip/RetroFit-Mailbox-Door-Small-Black-6-1-4-w-x-8-h/598523808 **Rural King*** https://www.ruralking.com/8-w-x-10-h-large-retrofit-black Directly from our website** http://bayshoremailboxco.com Contact us directly with any questions, comments or concerns you may have. We look forward to helping you any way we can! Email- BayShoreMailbox@gmail.com Phone- 321-747-7078
  • How to repair ...
    How to install a replacement mailbox door on a brick or monume...

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