99 Preparing the Garage Door … +1-888-873-3829. We have Chamberlain LiftMaster parts for all the most popular models, including LiftMaster 8550, 8500, 8355, 3585, 3595 and more. Home Master Hardware 2" in Nylon Garage Door Roller Replacement Quiet Garage Rollers 13 Ball Bearing 4" in Stem 12 Pack Black 4.6 out of 5 stars 65 $21.99 $ 21 . Please note that these LiftMaster garage door opener parts are primarily made for residential systems. All you need are some simple household tools and a few garage door parts. A repair for a garage door trolley typically takes less than 30 minutes. Carriage (trolley) assembly for the Overhead Door Commercial operator. Raynor is a Chamberlain brand, as is LiftMaster, which makes most replacement parts by any of the brands interchangeable on compatible garage door … Part Numbers: 110616.0001, 110616.01, 110616.1, 110616 Chat (offline) Sears Parts Direct. With these low-cost installation parts, you won't have to invest in an expensive new garage door opener when the trolley and pulley assembly fails. It’s a fairly easy part to fix. Garage Door Opener Trolley Assembly 41C5141-1 parts - manufacturer-approved parts for a proper fit every time! Product Description. We also have installation guides, diagrams and manuals to help you along the way! Explore our selection of LiftMaster commercial garage door parts for your heavy-duty openers. For most garage door openers, you can get a new trolley carriage for about $25 to $40, depending on the model.