The Genie 35421A.S Header Bracket is a genuine OEM replacement component designed to secure the front of a Genie garage door opener rail to the wall header above the door opening. Installed at the centerline of the door, this bracket provides the fixed mounting point that stabilizes the rail so the opener can lift and lower the door smoothly and safely. It is commonly used during new installations, repairs, or upgrades when the original bracket is missing, damaged, or incompatible with updated hardware.
This header bracket is used across many Genie residential garage door openers and rail styles; compatibility should be verified by checking your opener’s parts diagram or manual for part number 35421A.S. For proper installation, mount into solid structural framing and connect the rail to the bracket using the hardware specified by Genie for your model. Always disconnect power, support the door, and follow the manufacturer’s safety and alignment procedures. This OEM header bracket helps ensure correct rail support and dependable operation in everyday residential applications.


