41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door

41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door

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41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door

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Customers say

Customers find the sensor board works well, with one mentioning it fixed their 5-flash error instantly. The product is easy to install, with one customer noting it's simple to swap with the existing unit. Customers appreciate that it's an exact replacement and offers good value for money.

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26 customers mention functionality, 20 positive, 6 negative

Customers report that the sensor board works well, with their garage door openers operating as intended. One customer specifically mentions that their 5-flash error was instantly resolved.

Easy install, worked like a charm.Read more

…Easy to install and the door works again.Read more

This Rpg Sensor fixed my problem immediately. If you arre not mechanically inclined, don't even attempt to try and install this sensor….Read more

…Turned out the original RPM sensor had failed (not uncommon when the motor’s been removed)….Read more

15 customers mention installation, 14 positive, 1 negative

Customers find the sensor board easy to install and replace.

I like that it was easy to install. The hardest part was getting the cover off. Unplug the old one and plug in the new one….Read more

Easy install, worked like a charm.Read more

…Back in action. These are easy to replace with the opener intact. Just open the housing and it should be pretty easy to spot….Read more

Easy to swap with existing unit. It fits through the gaps of the existing plastic “cover”….Read more

8 customers mention replacement, 7 positive, 1 negative

Customers find the sensor board to be an exact replacement part.

Exact replacementRead more

It didn't fix my problem, but it is the right part and works fine. Reasonable price and quick delivery.Read more

Direct replacement, easy to install. Works just like the original did.Read more

Perfect drop in replacement. Definitely a DIY job. Install and adjust as described in paperwork.Read more

7 customers mention value for money, 7 positive, 0 negative

Customers find the sensor board to be good value for money.

…Great price, fast shipping, and now my 20-year-old opener works like new again!Read more

Received the part quickly and at a good price. Just what we needed to fix the garage door. Highly recommend!Read more

…Reasonable price and quick delivery.Read more

…Unplug the old one and plug in the new one. Cheaper than a new garage door.Read more

6 customers mention fit, 5 positive, 1 negative

Customers are satisfied with how the sensor board fits.

Easy to swap with existing unit. It fits through the gaps of the existing plastic “cover”….Read more

Perfect fit to replace my broken one and my garage door opener works again!Read more

Replacement parts fit perfect and were easy to install.Read more

Solved My 5-Flash Error Instantly — Perfect Fit!Read more








Top reviews from the United States

  • GM
    5 out of 5 stars
    Solved My 5-Flash Error Instantly — Perfect Fit!
    Reviewed in the United States on November 10, 2025

    Verified Purchase

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    After replacing the sprocket gear on my older Chamberlain opener, the motor would only jerk and stop with a five-blink error light. Turned out the original RPM sensor had failed (not uncommon when the motor’s been removed). I ordered this replacement sensor and it was a perfect plug-and-play fix.

    Installation was super simple — one screw, one small plug, and you just make sure the slotted black disk passes cleanly through the U-shaped gap. Took maybe five minutes total. As soon as I powered up, the opener ran smoothly in both directions and stopped perfectly at the limits.

    If your unit hums, jerks once, and flashes the LED five times, don’t waste hours chasing adjustments — this sensor is the fix. Great price, fast shipping, and now my 20-year-old opener works like new again!
    3 people found this helpful

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  • DENNIS GOLDEN
    5 out of 5 stars
    The right part for my old Liftmaster Professional Opener.
    Reviewed in the United States on June 1, 2026

    Verified Purchase

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    It didn't fix my problem, but it is the right part and works fine.
    Reasonable price and quick delivery.

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  • JfP01
    5 out of 5 stars
    Easy and cheaper fix for an older garage door opener
    Reviewed in the United States on April 26, 2026

    Verified Purchase

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    This saved me from buying a new opener or a more expensive main board. Easy to install and the door works again.

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  • Jim
    5 out of 5 stars
    Easy to install on Liftmaster.
    Reviewed in the United States on August 7, 2025

    Verified Purchase

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    After extensive internet research on my garage door issues and all adjustment efforts failed this was my last resort before calling in a door technician. This literally only too like 10 minutes to install. Got my door working properly again. My issue was the door would close then go right back up, adjustments didn't fix the issue, no light flashing. This part comes attached to a new tiny black plastic backer plate. I didn't use the new plate, it just un clips from it. Super easy to do. Just unplug your door opener before working on it. Youtube was very helpful and the video was short.
    3 people found this helpful

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  • Robert M
    4 out of 5 stars
    Must be very careful installing
    Reviewed in the United States on November 16, 2023

    Verified Purchase

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    Exactly the part needed to fix my garage door opener for under $25. Part cost a little more through Amazon but delivery was quicker

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  • RH
    5 out of 5 stars
    Works like a Charm on Chamberlain opener
    Reviewed in the United States on July 31, 2025

    Verified Purchase

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    My Chamberlain garage door would no longer close. It would travel about 10"-12" then reversed. Trouble shot with opener manual to diagnose the flashing light on motor which indicated RPM sensor bad. This RPM sensor Part # matched my Chamberlain part #. Fast and real easy install in 10 minutes. Hardest part is removing the cover and not losing the 6 screws, which means it wasn't hard at all. Works like a charm.
    One person found this helpful

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  • G. P.
    5 out of 5 stars
    A good buy
    Reviewed in the United States on May 2, 2026

    Verified Purchase

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    Perfect drop in replacement. Definitely a DIY job. Install and adjust as described in paperwork.

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  • Mark
    3 out of 5 stars
    Holes don't line up correctly causing binding of sensor wheel
    Reviewed in the United States on September 24, 2024

    Verified Purchase

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    I was wondering why this was a frequently returned item, but now I believe that I understand why this item gets returned. While the piece appears to be correct in every way, when installed on the opener, the RPM sensor wheel rubs and binds the sensor on the circuit board. Thinking that this may be an issue with the new mount, I test fit the old board on the mount and there is plenty of clearance for the sensor wheel. After very careful examination, you can see that the holes in the old board are aligned slightly different than those on the new board, causing the binding to occur.

    My guess is that this is a QC problem as the tolerance is probably 1mm to adjust the alignment properly.
    One person found this helpful

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Top reviews from other countries

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  • cctrev
    5 out of 5 stars
    Sorted my ancient Craftsman garage door opener.
    Reviewed in the United Kingdom on June 22, 2025

    Verified Purchase

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    I have an ancient Craftsman electric garage door opener – no idea of the model or date it was installed. Having replaced he plastic cog all was well until the door started juddering up and down. A quick online review showed the sensor needed to be replaced. Took a while to get from the US but it came eventually. Easy to fit and my garage door works again.
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  • Heriberto Uribe
    5 out of 5 stars
    El tiempo en que me lo hicieron llegar, super rápido, ya que lo necesitaba de urgencia
    Reviewed in Mexico on June 20, 2024

    Verified Purchase

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    Lo facil que fue localizarlo y la rapidez del envío, exactamente la pieza que necesitaba y el tiempo récord de entrega fue especial.
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  • Lorena Sánchez Méndez
    1 out of 5 stars
    Opinión
    Reviewed in Mexico on August 18, 2024

    Verified Purchase

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    No funciona
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  • Pedro José villegas uicab
    5 out of 5 stars
    La calidad del producto!
    Reviewed in Mexico on July 21, 2023

    Verified Purchase

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    Esta refacción es para un motor abre puertas Chamberlain y funcionó perfectamente desde el momento en que la instalé y sigue funcionando correctamente
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Product Summary: 41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door

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41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door
41C4398A Craftsman LiftMaster Sears RPM Sensor Board Chamberlain Garage Door

$39.75

Buy Now
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