Liftmaster/Chamberlain Replacement Part - 41A2817 Small Drive Gear and Worm Kit For 1/2HP Belt Drive and Chain Drive Garage Door Openers

New For 2025The LiftMaster 41A2817 Drive Gear and Worm Kit is an essential replacement part designed to keep your garage door opener running smoothly. This kit is specifically engineered for use with 1/2HP LiftMaster and Chamberlain belt and chain drive garage door openers manufactured after 1993. Whether your opener has been operating for years or recently experienced issues, this replacement kit provides a reliable and affordable solution to restore its performance.

COMPLETE REPLACEMENT KIT:

Comes with helical drive gear, worm gear, grease, wear bushings, and hardware needed for quick and easy replacement.

HIGH COMPATIBILITY: Designed for use with LiftMaster and Chamberlain belt and chain drive garage door openers manufactured after 1993.

DURABLE PERFORMANCE: Made from high-quality materials for long-lasting durability and reduced wear, ensuring smooth operation over time.

EASY INSTALLATION: Simple, user-friendly setup to restore your garage door openers functionality without professional help.

VERSATILE APPLICATION: Works with 1/2HP belt and chain drive models, providing broad compatibility for both residential and commercial use.

Technical Specifications:

Product Name: Small Drive Gear and Worm Kit

Model: 41A2817

Gear Bore: 1/2"

Gear Diameter: 2 3/4"

Number of Teeth: 32

Alternative Part Numbers:

- 081B0045

- 062216

- 081C0179

- 81B45

- 2612159

- 41A2817 

Warranty:

1-Year Limited Warranty Kit Includes: Drive Gear Worm Gear Grease Wear Bushings Installation Hardware

Compatibility:

• 8164W Contractor Series 1/2 HP AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8164W HP AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8165W Contractor Series
• 1/2 HP AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8365W-267 AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8155W AC Belt Drive Wi-Fi Garage Door Opener
• Discontinued 81650 HP AC Chain Drive Wi-Fi Garage Door Opener
• 81640 HP AC Chain Drive Wi-Fi Garage Door Opener
• 8155W HP AC Belt Drive Wi-Fi Garage Door Opener
• Discontinued 8165W HP AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8365W-267 AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 1346 1/3 HP Dual Sprocket AC Chain Drive Garage Door Opener
• Discontinued 3280 1/2 HP AC Belt Drive Garage Door Opener
• 8165 1/2 HP AC Chain Drive Garage Door Opener
• 1345 1/3 HP AC Chain Drive Garage Door Opener
• 8355 1/2 HP AC Belt Drive Garage Door Opener
• 8365 1/2 HP AC Chain Drive Garage Door Opener
• Discontinued 3265 1/2 HP AC Chain Drive Garage Door Opener
• 8557 3/4 HP AC Belt Drive Garage Door Opener
• 8155 1/2 HP AC Belt Drive Garage Door Opener
• 8587WL HP AC Chain Drive Wi-Fi Lock Capable Garage Door Opener
• Discontinued 8587 3/4 HP AC Chain Drive Garage Door Opener
• Discontinued 8075 1/2 HP AC Chain Drive Garage Door Opener
• 8587W AC Chain Drive Wi-Fi Garage Door Opener
• Discontinued 8065 1/2 HP AC Chain Drive Garage Door Opener
• 81550 HP AC Belt Drive Wi-Fi Garage Door Opener
• 83650-267 HP AC Chain Drive Wi-Fi Garage Door Opener with Integrated Bluetooth Technology
• 85870 HP AC Chain Drive Wi-Fi Garage Door Opener with Integrated Bluetooth Technology

For reliable performance and lasting durability, the LiftMaster Drive Gear and Worm Kit is the ideal solution for restoring your garage door openers operation.