Each LiftMaster and Chamberlain product has a unique number that can help you get support for your product faster and easier. For most LiftMaster and Chamberlain garage door openers, you can find the product’s model number on a label or sticker on the outside of the product. The actual appearance of your garage door opener may differ from those depicted above.
The label may be located in the following places:
Tip: If you see the Part Number, the model number is typically on the other side under the light cover.

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