Drive Gear For Chamberlain Garage Door Opener Models 710WHC 711WHC 7520D 8100M CSO Replacement Gear With One Half Inch Bore And Two And Three Quarters Inch Outer Diameter Thirty Two Teeth White Finish Durable Gear Kit For 1984 To Current Openers
✔️ Bore 1/2 in, OD 2.75 in, Teeth 32, White finish, 1 gear
The drive gear is a replacement component for Chamberlain and related garage door openers. It engages the drive mechanism to transfer motor power to the door, allowing smooth, reliable lifting. This gear is used in models from 1984 to current, including LiftMaster and Craftsman belt and chain drive units.
✅ Bore size: 1/2 in (12.7 mm)
✅ Outside diameter: 2 3/4 in (69.85 mm)
✅ Teeth: 32
✅ Color: White
✅ Includes: 1 drive gear
✅ Fitment: 1984-current Chamberlain/LiftMaster/Craftsman openers
✅ Installation note: apply lubricating grease during install
💡 What is a drive gear replacement for Chamberlain garage door openers and how do you know it's right?
- Compatible with 1984-current Chamberlain, LiftMaster, and Craftsman openers
- Handy replacement when the drive gear wears or strips
- Requires grease during installation to prevent gear failure
- Check model sub-number and equipment type to confirm fit