⚙️ Upgrade your garage game with precision power!
This GDR PRO replacement gear and sprocket kit is designed for 1/3 and 1/2 HP chain drive garage door openers from Chamberlain, Sears, Craftsman, and LiftMaster (1984-current). The kit includes all essential components—gear, sprocket, worm gear, grease, and bearings—plus an installation tutorial, ensuring a smooth, durable, and professional repair or upgrade.
| Manufacturer | GDR PRO |
| Part Number | 54101-212542AT |
| Item Weight | 1.06 pounds |
| Package Dimensions | 6.06 x 4.57 x 4.53 inches |
| Item model number | 54101-212542AT |
| Is Discontinued By Manufacturer | No |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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