LiftMaster K75-13074 Straight and Curved Door Arm Kit

Straight and Curved Door Arm Replacement Kit for APT Trolley Operators

This LiftMaster K75-13074 is a genuine straight and curved door arm replacement kit for LiftMaster APT commercial trolley operators (Apartment Trolley Operator - Logic 5.0). It includes the door arm components used to connect the trolley to the door, helping restore proper door travel when the existing arm is bent, worn, or damaged. Always confirm fitment using the operator manual or replacement parts diagram before ordering.

Key Features

• Genuine LiftMaster straight and curved door arm kit for APT trolley operators
• Direct-fit replacement for the trolley-to-door connection hardware
• Helps restore proper door geometry and consistent travel when the original arm is worn or bent
• Designed for APT operator applications where both straight and curved arm pieces are required

Technical Specifications

• Part Number: K75-13074
• Component Type: Straight and curved door arm replacement kit
• Application: Door arm linkage hardware (trolley to door connection)
• Operator Compatibility: LiftMaster APT (Apartment Trolley Operator - Logic 5.0)
• Authenticity: Genuine LiftMaster replacement part

Conclusion

If your APT trolley operator has a damaged or misaligned door arm linkage, the K75-13074 straight and curved door arm kit is the correct OEM replacement to restore proper connection and dependable operation. Confirm compatibility by referencing the correct manual or parts breakdown for your specific operator configuration.