Marantec 116214 Straight Reinforcement Arm Kit

The Marantec 116214 Straight Reinforcement Arm Kit is an OEM replacement door arm designed to connect a Marantec trolley-style garage door opener to the door while reinforcing the top door section for reliable, smooth operation. Used on sectional overhead doors, the straight arm helps distribute the opener’s pulling force across the center door bracket to minimize panel flex and maintain consistent door travel. It is commonly installed as the straight segment of a two-piece door arm assembly and may be paired with a curved arm when specified by the opener’s installation manual.

p>Identified as Marantec part number 116214, this kit is intended for compatibility with Marantec residential garage door openers that use a standard two-piece door arm connection, including many Synergy and M-Line units; always verify fitment by referencing your operator’s parts diagram or manual for 116214. Installation should be performed with the door fully closed and power disconnected: attach the straight arm to the center door bracket and the opener trolley using the specified pins and fasteners, ensure the top section of the door is properly reinforced per the door manufacturer, then set or re-check travel limits and safety reversal settings. After installation, test the photo eyes and emergency release. This part is suitable for residential sectional-door applications as a direct replacement or upgrade where a straight reinforcement arm is required.