Springs

Liftmaster-Sears Drive Gear Kit 41A2817

SKU: LM-41A2817

Description

Liftmaster Sears Large Gear Replacement Kit - Part 41A2817

Drive gear replacement kit for part no. 41A2817 for all residental Liftmaster, Sears, Chamberlain chain and belt drive openers manufactured from 1984 to the present. Also used for Wayne Dalton opener models 100 - 320. Replacement gear kit for the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic, Garage Master.

Includes:
  • Main drive gear
  • Worm gear
  • Replacement bushing, fittings, & pins
  • Lubricant
  • Instructions
Features:
  • Replace the worn parts yourself and save
  • Included instructions guide you through the process
Compatibility
Compatible with:

All 1/3 Hp, 1/2 Hp, 3/4 Hp Residential chain and belt drive garage door openers manufactured from 1984 to the present for these manufacturers:

  • Lift-Master
  • Sears Craftsman
  • Chamberlain
  • Master Mechanic
  • Garage Master
  • Wayne Dalton models 100-320 (100WD, 110WD, 200WD, 210WD, 215WD, 220WD, 300WD, 310WD, 315WD, 320WD)
Not compatible with Sears openers made before 1984 - body color of powerhead unit: brown, green, or yellow.
Reviews
FAQs
Torque Master Spring Installation Made Easy 6 Simple Steps

Torque Master Spring Installation Made Easy: 6 Simple Steps

October 19, 2025 4 min read

Installing Torque Master springs might seem intimidating at first, but with the right tools and step-by-step guidance, it's a manageable DIY project.

Read More
Why Do Garage Doors Need Torsion Springs Expert Explains

Why Do Garage Doors Need Torsion Springs? Expert Explains

October 08, 2025 3 min read

Think of your garage door springs like the counterweight in an old elevator. Without them, your door would be incredibly difficult to lift manually, and your garage door opener would burn out trying to handle all that weight on its own.

Read More
What Size Garage Door Spring for a 16x7 Door

What Size Garage Door Spring for a 16x7 Door?

October 07, 2025 3 min read

Here's something that surprises a lot of people: there are usually several different spring combinations that will work for your 16x7 door. You might be able to use a single heavy-duty spring or two lighter springs, depending on your setup and preferences.

Read More
Description

Liftmaster Sears Large Gear Replacement Kit - Part 41A2817

Drive gear replacement kit for part no. 41A2817 for all residental Liftmaster, Sears, Chamberlain chain and belt drive openers manufactured from 1984 to the present. Also used for Wayne Dalton opener models 100 - 320. Replacement gear kit for the following garage door openers: Lift-Master, Sears Craftsman, Chamberlain, Master Mechanic, Garage Master.

Includes:
  • Main drive gear
  • Worm gear
  • Replacement bushing, fittings, & pins
  • Lubricant
  • Instructions
Features:
  • Replace the worn parts yourself and save
  • Included instructions guide you through the process
Compatibility
Compatible with:

All 1/3 Hp, 1/2 Hp, 3/4 Hp Residential chain and belt drive garage door openers manufactured from 1984 to the present for these manufacturers:

  • Lift-Master
  • Sears Craftsman
  • Chamberlain
  • Master Mechanic
  • Garage Master
  • Wayne Dalton models 100-320 (100WD, 110WD, 200WD, 210WD, 215WD, 220WD, 300WD, 310WD, 315WD, 320WD)
Not compatible with Sears openers made before 1984 - body color of powerhead unit: brown, green, or yellow.
Reviews
FAQs