FREE SHIPPING on ALL USPS-Approved Cluster Mailboxes For all 4Cs, 4B, and Vertical Mailboxes, we offer FREE SHIPPING for Orders Over $6,500.
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Cluster Mailbox Parts & Accessories

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  1. Florence Mailboxes 7items
  2. Salsbury Industries 7items
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  1. CBU Vandal-Proof Fastener for Added Security (Qty. 1)
    Was: $10.00 Your Price: $7.95

    Additional Discounts for 2+ units!

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Replacement & Decorative Parts for USPS Cluster Mailboxes

Cluster Mailbox Parts and Accessories

USPS-Approved Parts & Decorative Accessories for Florence and Salsbury CBUs

Our inventory includes locks, parcel doors, pedestal kits, and number plates, all built to meet 4C and 4B+ USPS standards. Whether you're replacing worn hardware or upgrading your installation, you'll find reliable, model-specific components and fast shipping on most items.

  • USPS-compliant for 4C/4B+ units 
  • Compatible with Florence and Salsbury mailboxes 
  • Locks, keys, pedestal kits, doors, and more 
  • Color-matching pedestals and decorative plates 
  • Fast 1–3 day shipping on in-stock items

Frequent Asking Questions

We stock locks, keys, pedestal hardware, outgoing mail covers, parcel locker components, and more.
Yes. All items are made to fit 4C and 4B+ mailbox standards where applicable.
Product pages list the mailbox models each part is designed for. Most fit Florence and Salsbury CBUs.
Yes. Options include decorative pedestals, caps, number plates, and faceplates.
Most in-stock items ship within 1 to 3 business days.

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