【Part Number】The drive gear replaces part number 41A2817 and the worm gear replaces part number 41A4315. Fits 13918315SR, 13918415SR, 13918616SR, 13918847, 13918857, 13918869, 13918880, 13953100, 139531006, 13953110, 13953200, 139 Access Garage Door Opener System.
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