WILL THIS PART FIT MY MODEL?
This trolley kit (part number 41A3489) is for garage door openers.
Trolley kit 41A3489 connects the garage door arm to the chain or belt to move the door. The kit may include multiple parts; refer to your parts diagram for a complete list of parts included.
Unplug the garage door opener before installing this part. Wear work gloves to protect your hands.