Craftsman 1/2hp Chain Drive Model 139.53975SRT1 Garage Door Opener Powerhead. Brand new gear and sprocket kit installed on the powerhead! This Craftsman garage door opener has a 41A5021-2F circuit board which has a RED learn button.This circuit board is compatible with the above listed garage door openers that have photo eyes to operate the door and that have two lights on the opener powerhead. It is compatible with any circuit board that has a RED learn button.
It is compatible with 971LM and 973LM remotes and 976LM keypad. Remotes, rail, chain, photo eyes, wall button and keypads not included. This powerhead will hook up to any standard T or square style LiftMaster, Chamberlain and Craftsman chain drive rail.
IF YOUR ARE NOT SURE IF THIS POWERHEAD IS COMPATIBLE PLEASE MESSAGE US BEFORE PURCHASING THE ITEM. PLEASE CHECK OUT OUR OTHER ITEMS AND FEEL FREE TO MESSAGE US AT ANY TIME WITH ANY QUESTIONS. The item "Craftsman 1/2hp Chain Drive Model 139.53975SRT1 Garage Door Opener Powerhead" is in sale since Thursday, October 17, 2019. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Garage Doors & Openers\Garage Door Opener Systems".The seller is "shopatals" and is located in Rochester, New York. This item can be shipped to United States, Canada.