October 25, 2025
Garage Door Openers
$50.00
Location: Mitchell, SD
I have two garage door openers that I've repaired and no longer need. These are the power heads only. What you see is what you get - no track, chains or other hardware. Both work with wireless remotes or hard-wired switches. One (the blue unit) is a Chamberlain 1/2 Horsepower chain drive opener, model 41A5021-1S. This was installed in my garage and failed, so I bought a new unit to use while I determined whether I could fix this one. I found that the nylon gear inside was stripped and replaced it. I cleaned, lubricated, and checked the unit out after I replaced the gear - it works perfectly. The other unit (grey) is a Liftmaster 1/2 Horsepower chain drive opener. Liftmaster model 1240, Chamberlain model 41A4252-7. This was given to me as inoperable and I found the nylon gear stripped inside and a circuit board on the motor failed. Both have been replaced, the unit cleaned and lubricated, and checked out. I'm only hoping to get back what I have in it. Asking $50 OBO for each unit
| Name | John |
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| Date Posted | October 25, 2025 |
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| Last Modified | October 5, 2026 |
| Date Expires | October 21, 2026 |
| Days Online | 347 |
| Days Left | 12 |
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