Please Note!

All openers work on radio frequencies. You must make sure you are matching up yours with one of the part numbers listed. Just because it looks the same on the outside does not mean it is the same on the inside. Different models broadcast at different frequencies. 

Chamberlain LiftMaster single button Garage Door & gate remote opener.  Model 850CB 81LM.  FCC# HBW0710.   one missing battery cover. if the quantity left is 2 this is the one that will be shipped to you.

These are used but tested remotes. You will have to program the unit to your system in order for it to work, Batteries and Clips are usually included but not always. Batteries are not guaranteed as they are used and may need to be replaced prior to use.  Labels may vary  per unit but will be compatible. 

Thanks For Looking! Please Contact Us With Any Questions Before Purchase. Thanks for Shopping At Fort Hill International!

B500A-5101115  B364-7171007 B410A-11291219   B4-418938  B15-130629

Ready to order? We accept Paypal which allows you to pay with most major credit cards.

We ship all orders within 24 hours. However it is up to you to choose the speed in which your item will arrive. All items come with free tracking which is uploaded to you once the postage is generated. We offer several shipping options please be sure to choose the one that will work best for you. Remember shipping times are only estimates and in no way a guarantee of arrival time.

Thank you for choosing Fort Hill International.  All of our parts are used and in good working order when removed from the donor vehicle. Some electronic parts will have to be programed by a dealer or mechanic in order to work properly. Some Radios will require codes to "Unlock" them, others just plug and play. RDS Radios almost always have to be dealer installed. Codes can be obtained from your local dealer or over the net by typing "radio codes" into your browser. We do not supply codes or cover installation expense. If your unsure if your part needs programing contact us or your dealer before purchase and we will do our best to help you out. 

Return Policy

1. Please contact us before returning any item, Lets try to work it out first.

2. All parts are used and in good working order to the best of our knowledge. At times your dealer may have to reprogram your vehicles computer in order for the replacement part to work correctly. This Includes Some Radios, Air Bag Modules, and Computers. Some Will Simply Plug N Play. 

3. If you ordered the wrong part shipping charges will not be refunded.  If your order had free shipping on it, the original shipping charges will be deducted from the refund. If it is our error or the part is defective we will refund your original shipping charges. You are still responsible for returning the item. 

4. Buyer Pays Return Shipping.

5. As is parts are just like it says and are not returnable for any reason.

6. We do not guarantee color matching on parts. 

6. All costs associated with installation are the buyers responsibility.

7. You are responsible for making sure you are ordering the correct part for your application. 

8. In the event you need to return your item please make sure the original tag is included. All of our parts are marked prior to shipment for identification purposes. These ID marks must be on the part in order for the return to be accepted. 

Email with specific Questions, Its up to you to verify interchange and that this is the part you need.