The Genie screw drive carriage assembly 36179R.s with magnet has teeth inside it that connect to the screw inside the garage door opener rail. The carriage teeth gripping the screw allows for smooth operation of running the garage door up and down the rail. If the motor on your garage door opener is running and the screw drive is turning, but the garage door is not operating (you may even hear a grinding or chattering noise), then it is time to replace the screw drive carriage. Compatible with Models: 1060, 1560, 2560, 3560, 3860, IS525, IS525/B, IS550, IS550/B, IS850, IS900, IS900/B, IS920, CM7500, CM7600, CM8600, PRO95, CM8600-FN, H4000, H6000, IS525, IS525/B, IS550, IS550/B, IS850, IS900, IS900/B, IS920, 2060L, 3060L, IMS1000, ISL950, ISL950/B, ISL980, ISL980/B, G4050CL, G5000CL, G5050CL, G5500CL, G5700CL, G8000CL, GX9000CL, GXL9500CL, GXL9550CL, GXL9900CL, GXL1000CL,Excelerator, H8000-07, H8000D, ISD990, ISD995, ISD1000, PRO99-2IC, PRO99FN, CMD9900, 4560, 4060L. Direct replacement for previous/ discontinued carriage parts numbers- 36179R, 34107R, 34107R.S, 20414R, 25589R, 25589S. Lever for emergency release cord to attach to keeps you safe in case of a power outage or other emergency to release the door quickly
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Item# : SPM9164618923
Model # : 36179R.s_&_GLU_Kit