Chamberlain 41A5483C Garage Door Opener Logic Board Genuine Original Equipment Manufacturer (OEM) Part Wear work gloves to protect your hands This is a manufacturer substitution. Part may differ in appearance but is a functional equivalent to prior parts including; 41A5483,41A5483B Genuine Original Equipment Manufacturer (OEM) part. Compatible Brands: Chamberlain This logic board (part number 41A5483C) is for garage door openers Unplug the garage door opener before installing this part