LiftMaster 041C4220A Chain Drive Gear and Sprocket Kit Mounting Bracket Option This is a replacement 315MHz

This is a replacement 315MHz Antenna

solid-state logic control board

WallAlert sensor cable 500ft/150m + Processor (LPU-304 Analyzer)

LiftMaster 157149

Pockets & pivot points

LiftMaster 041C4220A Chain Drive Gear and Sprocket Kit Mounting Bracket Option This is a replacement 315MHzLiftMaster 041C4220A Chain Drive Gear and Sprocket Kit This is a Gear and Sprocket Replacement Kit. For use with various 1 2HP LiftMaster and Chamberlain Chain Drive Garage Door Openers; manufactured after 1993. Check the manual or replacement parts diagram for specific part information before ordering to ensure compatibility. Genuine LiftMaster replacement part. Also known as: LiftMaster 41A2827 LiftMaster 41C4220C LiftMaster 41C4220 LiftMaster