This is a one piece 8 ft. Belt Assembly Replacement Kit. Compatible with various LiftMaster® and Chamberlain® Belt Drive Garage Door Openers. This belt assembly kit is for use on an 8 ft. residential garage door. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. (newer style)

Genuine LiftMaster® replacement part.

Also known as: 41A5434-13, 41A5434-13A