Dreyoo 2 Pcs Screw Drive Coupler Part Compatible with LiftMaster Chamberlain Garage Door Opener, Garage Door Opener Sprocket Coupler Part 25C20 25A18

Easy Way To Fix Garage Door: if your garage door shaft fails to turn, these couplers can be the solution, friendly to DIY'ers; Part number: 025C0020, formerly known as 25C20, Universal Compatibility: compatible with Liftmaster models 1000SD, 2000SD, 1000SDR, 2000SDR, 2110, 2220, and Chamberlain models 4600, 4620, 4640, 9902, PD420, PD460-2, 9950, and more, Replacement Parts: the coupler assembly connects the garage door opener motor to the screw drive rail assembly, it can be broken over time, then replace with a new one, Dimensions: length 1.57 inch, outer diameter 1.18 inch, inner diameter 0.8 inch with 8 grooves, Easy To Install: please refer to the videos online for quick replacement; Important note: make sure your motor position is in the same position as your garage door