LiftMaster 041A4837-1 Worm Gear and Retainer Kit

Replacement Worm Gear Kit for Screw Drive Garage Door Openers

The LiftMaster 041A4837-1 Worm Gear and Retainer Kit is a genuine OEM replacement designed for LiftMaster® and Chamberlain® screw drive garage door openers manufactured after 2005. This kit restores smooth mechanical operation by replacing worn or damaged worm gears responsible for transmitting motor torque to the screw drive assembly.

Key Features

• Function: Replaces the internal worm gear and retainer to maintain efficient motor torque transfer
• Compatibility: Works with multiple LiftMaster and Chamberlain screw drive openers
• Complete Kit: Includes worm gear, retainer, and grease packet for proper installation and lubrication
• Durable Design: Factory-grade materials ensure reliability and quiet performance
• OEM Quality: Genuine replacement meeting original LiftMaster specifications

Technical Specifications

• Part Number: 041A4837-1
• Alternate Part Numbers: A4837-1
• Included Components: Worm gear, retainer, grease tube
• Application: Screw drive garage door openers (post-2005 models)
• Material: Reinforced nylon gear and metal retainer
• Lubrication: Includes grease for optimal gear performance

Compatible Models

• 2110 – Contractor / Premium Series Low Profile Screw Drive
• 2220 – Contractor / Premium Series Low Profile Screw Drive
• 3110 – Contractor / Premium Series Low Profile Screw Drive
• 320 – 1/3 HP Screw Drive
• 3240M – 1/2 HP Screw Drive Garage Door Opener (Discontinued)

Conclusion

The LiftMaster 041A4837-1 Worm Gear and Retainer Kit delivers a reliable, cost-effective solution for maintaining smooth and efficient drive performance in LiftMaster and Chamberlain screw drive openers. Designed for easy installation, it restores quiet and dependable functionality.