The LiftMaster 41C4677 screw drive trolley assembly from Garage Door Supply Company is a replacement garage door opener trolley for a screw drive Craftsman operator, LiftMaster screw drive garage door operator or Chamberlain garage door operator made after 1995. The trolley, also called a carriage, is an essential component because it pulls or pushes the arm of the garage door opener to lift or lower the garage door. We also carry LiftMaster 81C168 replacement racks for screw drive garage door openers.
- For post-1995 LiftMaster, Chamberlain Craftsman screw drive garage door openers
You may Also Need the Following Part:
81C168 LiftMaster Rack for Screw Drive Openers $12.92 (this is the gears that interact with the screw)