Belt Drive Trolley Kit
PLUS SHIPPING AND TAX
This part replaces the following legacy #'s : 041B3869, 041B3869-1, 041B3869-3
041B3869-3A is a belt drive trolley replacement kit. Compatible with various LiftMaster® belt drive garage door openers. Check the manual for your specific model number before ordering to ensure compatibility.
Genuine LiftMaster® replacement part.