Doorking Replacement 4502-018 Circuit Board

Doorking ITEM: 4502-010
Doorking Replacement 4502-018 Circuit Board
Doorking Replacement 4502-018 Circuit Board

Doorking Replacement 4502-018 Circuit Board

Doorking ITEM: 4502-010
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Doorking Replacement Circuit Board

**UPDATE**Doorking recently changed their control board parts. These new parts may be different than the parts in your user manual. Please select the year range of your machine above or look below for new parts and corresponding model year**

4502-010 = January 2016 to August 2018 (soon to be discontinued)

4502-012 = All openers made before January 2016 (your literature will say 4502-010)

4502-018 = All models made after January 2016 to current date (replaces 4502-010)

Used in models 6050, 6100 and 6300.


All in stock orders typically ship the same business days or within 1-2 business days.  Cut off for same day shipping is 2:30PM Central Time.


Items with lead times typically ship in 4-7 business days.


Orders with free shipping may have longer lead times due to those items being shipped the most economical way.  Free shipping on most orders over $195.00 does not include gate operators, loop sealant, and any extreme length or weight items

Our return policy lasts for only 30 days. If 30 days have gone by since your purchase, unfortunately we can’t offer you a refund. Some items such as Gate Operators or custom parts may not be returnable or carry a restocking fee if returned.

Read return policies

Protec Controls accepts purchase orders please contact us.

NET 30

We also support Net 30 terms on our website for easy ordering. Please fill out the form to the right with your company information and we will get your account setup to place Net 30 orders.


Protec Controls accepts GSA SmartPay cards along with all major credit cards. For government quotes and purchase orders please email

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