LiftMaster 041A3489 Trolley Kit (T-Rail) 1099 LiftMaster 183C157-9

LiftMaster 183C157-9

you should check in with your local department to see if they approve this particular model

The ULT-DIN features automatic sensitivity boost (ASB)

Agency Approvals: UL 325 Recognized Component

LiftMaster 20-3200C-4

LiftMaster 041A3489 Trolley Kit (T-Rail) 1099 LiftMaster 183C157-9LiftMaster 041A3489 Trolley Kit (T Rail) This is a T Rail Trolley Replacement Kit. For use with various LiftMaster and Chamberlain Garage Door Openers that utilize a T rail assembly. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as: LiftMaster 1B1435 LiftMaster 41B3215 LiftMaster 41B2617 LiftMaster 65411 LiftMaster 1A955 LiftMaster