Skip to content
  • Residential Mailboxes
  • Community Mailboxes
  • Commercial Mailboxes
  • Brands
MailboxEmpire

Your cart is empty

Continue shopping
0Cart($0.00)
  • Residential Mailboxes
    • By Style
      • Column Mount Mailboxes
      • Custom Mailboxes
      • Large Mailbox
      • Locking Mailboxes
      • Multi-Unit Mailboxes
      • USPS-Approved Mailboxes
    • By Category
      • Mailbox Only (without Post)
      • Mailbox Posts
      • Mailbox with Post Included
      • Wall-Mounted Mailboxes
      • Package / Parcel Drop Boxes
      • Accessories
    • Multi-Unit
      • Double Mailbox
      • Triple Mailbox
      • Quadruple Mailbox
      • Quint Mailbox
      • All Multi-Unit Mailboxes
    • All Residential Mailboxes
    Promoted collections
    Commercial Mailboxes Commercial Mailboxes
  • Community Mailboxes
    • Community Mailboxes
    • Outdoor Parcel Lockers (OPL)
    • Regency Decorative Cluster Mailboxes
    • Standard Cluster Box Unit (CBU)
    • View All Community Mailboxes
  • Commercial Mailboxes
    • Regency Decorative Cluster Mailboxes
    • Standard Cluster Box Unit (CBU)
    • Outdoor Parcel Lockers (OPL)
    • 4C Free-Standing Horizontal Mailboxes
    • 4C Horizontal Locks and Key Blanks
    • View All Commercial Mailboxes
  • Brands
    • Ecco Products
    • Jayco Mailboxes
    • MailBoss
    • Mayne
    • Salsbury Industries
    • Whitehall Products
Home Mailboss 4-Box Spreader Bar steel
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
#color_alpine white (new)
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
#color_alpine white (new)
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire

Mailboss 4-Box Spreader Bar steel

$86.90 $79.99 / Save 8%
Shipping calculated at checkout.
MailBoss by Epoch DesignSKU: 7134
Color: Black
Mailboss 4-Box Spreader Bar  steel - MailboxEmpire
Mailboss 4-Box Spreader Bar steel
$86.90 $79.99 /
Color: Black
In stock

Ships from: Washington State

Usually ships within: 1 to 3 Business Days

Payment & Security
Ach Direct Debit
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Related categories

Mount four Mail Boss locking mailboxes on one post with this 4-box spreader bar. It is built from 12-gauge welded, galvanized steel with a powder-coated finish, so a shared curbside spot stays solid and neat.

Highlights

  • Holds 4 Mail Boss, Package Master or Mail Manager mailboxes
  • 12-gauge welded, galvanized steel for strength
  • Durable powder-coated finish in Black, Bronze, Granite or White
  • Works with Mail Boss mounting posts and most existing posts
  • Free shipping, ships from Washington State

Specifications

Brand Mail Boss by Epoch Design
Holds 4 Mail Boss, Package Master or Mail Manager mailboxes
Material 12-gauge welded, galvanized steel
Finish Powder coat
Colors Black, Bronze, Granite, White
Post Fits Mail Boss mounting posts and most existing posts (sold separately)
SKU 7134 (Black), 7135 (Granite), 7136 (White), 7137 (Bronze)
Ships from Washington State, usually within 1 to 3 business days

Mail Boss 4-box spreader bar dimensions drawing

What's included

  • 1 Mail Boss 4-box spreader bar

Installation

The spreader bar mounts on one post and each mailbox fastens to the bar. See the Mail Boss spreader bar guide on our installation guides page.

Spreader Bar Installation and Mounting Schematic

Shipping and returns

  • Free shipping.
  • Ships from Washington State, usually within 1 to 3 business days.
  • Orders are processed within 24 hours, Monday to Friday. Your item ships direct from the manufacturer and we email tracking when it ships.
  • Returns: request within 30 days of delivery and wait for an RGA number before sending it back. The item must be unused, not assembled or installed, and in its original packaging. Return shipping is paid by the buyer, and a 20% restocking fee applies (25% for commercial or bulk returns of 5 or more items).
  • Please open the box and check the item when it arrives. Report damage or missing parts within 48 hours of delivery.
  • Full details: Shipping and returns.

Warranty

Mail Boss limited lifetime warranty for the original owner in residential use. It covers manufacturing defects and the failure of moving parts under normal use, with proof of purchase. See our warranty page for the full terms.

Frequently asked questions

Which mailboxes can I mount on it?

It holds four Mail Boss, Package Master or Mail Manager mailboxes on one post.

Does it fit my existing post?

It works with Mail Boss mounting posts and most existing posts. The post is sold separately.

Can I mix mailbox models?

The spreader accepts Mail Boss, Package Master and Mail Manager mailboxes. Email us at customercare@mailboxempire.com before you order a mixed set so we can confirm spacing.

Which colors are available?

Black, Bronze, Granite and White, all powder coated to match Mail Boss mailboxes.

How fast does it ship?

It ships free from Washington State, usually within 1 to 3 business days. Tracking is emailed when it ships.

Is there a warranty?

Yes. Mail Boss products carry a limited lifetime warranty for the original owner in residential use.

Product specifications
Material —
Dimensions 2 x 49 x 5 in
Weight 13 lb
Mailbox features —
Included in box

1 x 4-Box Spreader Bar, mounting hardware for a Mail Boss mounting post. Not included: mailboxes, post.

Estimated shipping

Ships from Washington State usually within 1 to 3 Business Days - Learn More

Free Shipping

We offer free delivery for many items over $50

Fast Delivery

Ships directly from the factory floor to ensure the quickest available delivery

Top-notch support

Our experienced team is here to help. Contact us and see our world class support in action first hand

Secure payments

Industry leading encryption ensures your personal information remains safe at all times 

Quick Links
  • Installation Guides
  • Search
  • Reviews
  • About Us
  • Contact Us
  • Bulk and Custom Order Quotes
  • Shipping & Returns
  • Blog
  • Resources
  • FAQ
  • USPS Standards
Policies
  • Cancellation & Returns
  • Privacy Policy
  • Terms & Conditions of Use
  • Shipping Policy
  • Warranty
Get in Touch

Contact us Monday to Friday
9:00am ET - 5:00pm ET
customercare@mailboxempire.com
+1 888 345 9545

Newsletter

Sign up for our newsletter and receive updates for our latest specials and newest product listings

Ach Direct Debit
American Express
Apple Pay
Diners Club
Discover
Google Pay
Mastercard
PayPal
Shop Pay
Visa

© 2026 MailboxEmpire, All rights reserved. Powered by Shopify