Mars Air Systems B0004-OB

Mars Air Systems B0004-OB, Adjustable Mounting Brackets, 3 1/2" Clearance

$252.50 /ea

* Lead times vary based on manufacturer stock. Once your order has been processed, we will provide an estimated ship date.

Since this item is not be normally stocked in our warehouse, it may be shipped directly to you from the manufacturer or brought into our warehouse with our next stock order. As soon as the manufacturer provides us with your estimated shipping date, we will let you know. If you need your item by a certain date, please contact us before placing your order or leave a note at the checkout page, letting us know when you need it.

Mars Air Systems B0004-OB Overview


  • Adjustable Mounting Bracket
  • Designed to clear small obstructions above the opening or mounting location (see pic 2)
  • Typically used for sectional type doors, vertical lift or garage type
  • Available with 3 ½”, 7”, 9”, 11”, or 13” clearances
  • Color: Obsidian Black
  • Set of 2

Notes: Recommended with Side-Extension Plates. Not compatible with Extended Offset Mounting Brackets.

Special Order Item:

This item might not be returnable and in some instances cannot be canceled once the order has been placed.

Mars Air Systems B0004-OB Specifications


OEM Numbers
B0004-OB, J0004-OB, B0004


Exterior Color
Product Condition

Frequently bought together

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