041C4220A

041C4220A Chain Drive Gear and Sprocket Replacement Kit
Designed for use with select LiftMaster® and Chamberlain® chain drive garage door openers manufactured after 1993.

This complete replacement kit includes:

• Helical gear and top hat assembly
• Worm gear
• Wear bushings
• Grease
• All necessary hardware for installation

Before ordering, consult your owner's manual or parts diagram to confirm compatibility with your specific model.

• 8165W ½ HP AC Chain Drive Wi-Fi Garage Door Opener - Discontinued
• 8365W-267 AC Chain Drive Wi-Fi Garage Door Opener - Discontinued
• 8165 1/2 HP AC Chain Drive Garage Door Opener
• 1345 1/3 HP AC Chain Drive Garage Door Opener
• 8075 1/2 HP AC Chain 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
• 8365W-267 AC Chain Drive Wi-Fi Garage Door Opener - Discontinued
• 8165W Contractor Series - 1/2 HP AC Chain Drive Wi-Fi® Garage Door Opener - Discontinued
• 81650 ½ HP AC Chain Drive Wi-Fi Garage Door Opener
• 81640 ½ HP AC Chain Drive Wi-Fi Garage Door Opener
• 8164W Contractor Series 1/2 HP AC Chain Drive WiFi Garage Door Opener - Discontinued
• 8164W ½ HP AC Chain Drive Wi-Fi Garage Door Opener - Discontinued
• 8065 1/2 HP AC Chain Drive Garage Door Opener
• 83650-267  ½ HP AC Chain Drive Wi-Fi® Garage Door Opener with Integrated Bluetooth Technology