Free Standard Shipping within the Continental U.S. only. | Monday - Friday 8am - 5pm EST

The ROP Shop Drive & Worm Gear Kit with Main Drive Gear, Worm Gear, Bushing, Fittings, Roll Pins & Grease Lubricant for LiftMaster 41A2817

FREE SHIPPING to the lower 48 states!Terms

Product Description

  • The ROP Shop replacement Drive & Worm Gear Kit
  • Specs - Drive Gear Bore Size (Inner Diameter): 1/2". Drive Gear Outside Diameter: 2 3/4". Drive Gear Number of Teeth: 32. Worm Gear Length: 2 1/8". Worm Gear Diameter: 1 1/8". Worm Gear Shaft Hole: 1/2". Refer to images 2 & 3 for more information
  • Includes - (1) Drive Gear, (1) Worm Gear, (1) Bushing, (2) Roll Pins, (1) Grease Lubricant & Fittings; comes as shown in the first image
  • Fits Chamberlain garage door chain & belt drive openers 1/3 HP, 1/2 HP, 3/4 HP manufactured from 1984 to present
  • Fits Wayne Dalton garage door opener 100-320 models
Message to Customer

The ROP Shop staff constantly strives to provide clear and concise product information. We understand that sometimes it can be difficult to confirm product compatibility. It is your responsibility to confirm this is the correct product you need; therefore, we encourage all customers to fully review the information provided in this listing prior to purchase. Any specific models stated in the listing are potential matches only and not a guarantee of compatibility. Nothing is worse than having to return a product, trust us…we get it. Let us work together to avoid this! If you are unsure as to whether this is the correct product for your unit, please ask. If you need assistance we will need as much of the following information as possible, if applicable, to help you find the product you are looking for:

Model and/or Sub-model
Spec and/or Type Number
Code and/or Serial Number
Engine Horsepower

Our knowledgeable product specialists are always willing to help you verify product fitment. Stay rugged, my friend.

The ROP Shop Staff

Warranty CA Residents: Proposition 65 WARNING(S)

WARNING: Cancer and Reproductive Harm –


ADVERTENCIA: Cáncer y problemas reproductivos –


AVERTISSEMENT: Cancer et troubles de l'appareil reproducteur –

Customer Reviews
Your Cart
Item added to cart