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Liftmaster Model 3840 Screw Drive

Whether you are thinking about routine maintenance or making a repair to your garage door, North Shore Commercial Door can help you find the right part with our new, interactive Exploded Parts View tool. Itís easy to use, even if you donít know the part number. Do you need a lens cover for your LiftMaster Elite Seriesô Model 3840 Garage Door Opener? Hover over the part in the diagram below and a pop-up window with information about the item should appear. Click the BUY NOW button in the pop-up window to go directly to the product page and add the item to your shopping cart. Or, locate the Lens Cover in the table below and click the product description in red text to be redirected to the product page and add the item to your shopping cart.

Be sure to use our new Interactive Exploded Parts View to find the item you need! Using it is easy, just follow the directions below!

  1. Place your mouse over the number or letter representing the product you need. Product information should pop up.
  2. Click BUY NOW and you will be redirected to the product you need and can add item to cart.
  1. Use the table to find the item you need.
  2. Click the red text and it will take you to the product page.
Remember, if you canít find the item you need, contact our helpful support team by phone at 1-800-783-6112 or direct chat between the hours of 8 a.m. and 4:30 p.m. Eastern time, Monday through Friday and we will be happy to assist you. Or, send us an e-mail with your request at any time to support@northshorecommercialdoor.com and a North Shore Commercial Door representative will reach out to you.