4178B0034B
STRAIGHT DOOR ARM
4178B0034B is a Straight Door Arm Replacement Kit. For use with various LiftMaster® and Chamberlain® Garage Door Openers. The straight arm is commonly paired with the curved door arm; in connection to the garage door opener trolley. Check the owner's manual or replacement parts diagram for specific part information before ordering to ensure compatibility.
Refer to the following part # for the Curved Door Arm Replacement Kit: 041B0035B
Also known as: 012385041783, 178B33, 178B34
$9.95
Features
Control Panels
Program Easily
Directly controls Wi-Fi garage door openers and myQ-enabled accessories.
Automatic lighting
Motion-detecting control panel turns on the opener's lights.
Adjustable Light Timer
Sets the amount of time before the light turns off after use.
