Springs

Liftmaster Drive Gear Kit 41A2817

SKU: LM-41A2817

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Description

Liftmaster 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
Garage Door Quieting Kit

How to Install a Garage Door Quieting Kit: Complete Guide

December 09, 2025 4 min read

We've found that replacing the majority of the hinges and installing the rest of the kit does a pretty good job of silencing the door without needing to deal with that bottom roller. If you really feel it needs to be changed, we have a separate process for that, but it's not necessary for most installations.

Read more about How to Install a Garage Door Quieting Kit: Complete Guide
How to Order the Correct Torquemaster Spring

How to Order the Correct Torquemaster Spring | Height & Weight Method

December 09, 2025 3 min read

Stop guessing your TorqueMaster spring. If the sticker is gone or unreadable, measuring your door height and weight is the only reliable way to get the right replacement the first time.
Read more about How to Order the Correct Torquemaster Spring | Height & Weight Method
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 about Torque Master Spring Installation Made Easy: 6 Simple Steps
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Description

Liftmaster 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