1A955 T-Rail Trolley Kit
SKU: T Rail Trolley: 041A3489 002
$49.95Price
Compatible Replacement Part for Chamberlain, Do It Best
Craftsman, LiftMaster, Master Mechanic and Raynor Openers.
This part is compatible with the various garage door opener brands listed above using the same part number. The current manufactured part ships when the original part is updated.