Springs

Liftmaster-Sears Drive Gear Kit 41A2817

SKU: LM-41A2817

1 In Stock
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
What Wears Out a Garage Door Opener? The #1 Culprit Revealed

What Wears Out a Garage Door Opener? The #1 Culprit Revealed

October 04, 2025 4 min read

Here's the truth: broken or aging springs are the number one cause of garage door opener failure. It's not motor burnout, it's not electrical issues – it's springs.

Read More
What is a Torque Master Spring Complete Expert Guide

What is a Torque Master Spring? Complete Expert Guide

September 25, 2025 4 min read

Here's the honest truth: most garage door service technicians aren't fans of Torque Master systems. Many will even refuse to work on them and try to convert you to a traditional torsion spring setup instead.

Read More
How many times do I wind my garage door spring

How Many Times Should You Wind Your Garage Door Spring?

September 23, 2025 4 min read

Wondering how many turns to wind a garage door spring? We explain why there’s no universal answer, where people go wrong, and how to get the exact number of winds for your setup.

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