Chamberlain Garage Door Opener Replacement Chain Drive Gear Kits

Chamberlain®
Garage Door Opener
Gear Kits


Gear Kits Should Be Ordered By
The Part Number From Your Owners Manual.

Replacement Gear Kits Are
For Chamberlain Made Garage Door Openers
All Gear Kits Are Chamberlain Model Replacements


41C4220A
Complete Chain Drive
Replacement Gear Kit

Complete Gear Kit Includes:
  • Sprocket drive shaft
  • Shaft housing
  • Main drive gear and worm gear
  • Lubricant for the worm gear
  • Replacement bushing, fittings, and pins
  • Chamberlain Made Parts
  • Installation instructions are also included
  • Parts ship the next business day


41A2817
Drive/Worm Gear
Replacement Gear Kit


Drive Worm Gear Kit Includes:
  • Main drive gear and worm gear
  • Lubricant for the worm gear
  • Replacement bushing, fittings, and pins
  • Installation instructions are also included
  • Chamberlain Made Parts
  • Parts ship the next business day


41A2827
Chain Drive Full
Replacement Gear Kit

Complete Gear Kit Includes:
  • Sprocket drive shaft
  • Sprocket cover
  • Shaft housing
  • Main drive gear, worm gear
  • Lubricant for the worm gear
  • Replacement bushing, fittings, and pins
  • Installation instructions are also included
  • Chamberlain Made Parts
  • Parts ship the next business day


41A5585
Chain Drive Full
Replacement Gear Kit

Complete Gear Kit Includes:
  • Sprocket drive shaft
  • Shaft housing
  • Main drive gear and worm gear
  • Lubricant for the worm gear
  • Replacement bushing, fittings, and pins
  • Installation instructions are also included
  • Chamberlain Made Parts
  • Parts ship the next business day




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