LiftMaster 41A5434-13 Full Belt Assembly - 8' Door compatible with models 2500, 2580, 2280, 3500, 3580, 3280, WD822K & WD922KBe sure your model number matches one listed above and you have a 14 cog pulley on your motor head to assure this is the correct part. Be sure to look closely at the attachment ends in the photos to assure they match yours.If you are unsure of the belt you need for your Sears Craftsman door opener please send us a e-mail with including your model number and door height and we will be glad to forward you a link to the correct part.
