Pack Of 3 Durable Drive Gear Set For Sears Craftsman LiftMaster Chamberlain Garage Door Openers 1984 And Up, 32 Teeth, One Half Inch Bore, Fits 13953990 13953992 13953914 And Similar Models
✔️ 32 teeth, 1/2 in bore, fits 13953990 13953992 13953914
Designed as a replacement drive gear set, this pack of 3 from KIPA fits a wide range of Sears Craftsman, LiftMaster, and Chamberlain garage door opener models built from 1984 onward. It's ideal for restoring smooth, reliable door operation in belt drive and chain drive systems.
✅ Pack of 3 drive gears (KIPA brand)
✅ Fits ALL 1/3 HP, 1/2 HP and 3/4 HP belt drive and chain drive garage door openers (1984-present)
✅ 32 teeth with 1/2 in bore (12.7 mm)
✅ Compatible with models 139.53990 139.53992 139.53914 and related openers
✅ Works with belt drive systems across common opener models
💡 What is a drive gear set used for in a garage door opener?
It’s a handy replacement part that transfers torque from the motor to the drive system, keeping belt/chain movement smooth.
- Drive gear sets are a common maintenance item for belt and chain drive openers
- They fit a broad range of 1/3 HP, 1/2 HP and 3/4 HP models from LiftMaster, Sears Craftsman, and Chamberlain
- Replacing worn gears reduces noise and prevents binding in operation
- This set includes a 1/2 in bore and 32 teeth for broad compatibility