Liftmaster 041c4398a Rpm Sensor Kit
Liftmaster 041c4398a Rpm Sensor Kit
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LiftMaster

Liftmaster 041c4398a Rpm Sensor Kit

Key item features

  • Essential Component: The RPM Sensor with motor cup is a replacement part for various LiftMaster, Chamberlain, Sears Craftsman, Tru-Value, Master Mechanic, and some Wayne Dalton garage door openers.
  • Broad Compatibility: This genuine LiftMaster Chamberlain OEM replacement part is compatible with LiftMaster and Chamberlain garage door openers manufactured from 1986 to current.
  • Chain Drive Models: It supports numerous LiftMaster and Chamberlain chain drive garage door opener models, including 1040, 1240, 2245, 4000, and many others.
  • Belt Drive Models: The sensor is also compatible with LiftMaster and Chamberlain belt drive garage door opener models such as 1270, 2280, 8100, and WD912KS.
  • Sensor Mechanism: This RPM Sensor Replacement Kit features a five-bladed photo interrupter, designed for use with garage door openers manufactured after 1995.
  • Alternative Identifiers: The product is also known by part numbers 1A4903, 41C3005, K75-16426, 41B3000, 41C4398A, 41C4398, and 41C4398-1.
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Current price is $34.95
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  • Free shipping
  • Free 30-day returns

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Arrives by Tue, Jun 16
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Sold and shipped by Gate Openers Unlimited
4.813253012048193 stars out of 5, based on 166 seller reviews(4.8)
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Customer ratings & reviews

4.1 out of 5 stars
stars60 ratings26 reviews
How item rating is calculated
  1. 5 stars70% (42)
  2. 4 stars8% (5)
  3. 3 stars5% (3)
  4. 2 stars0% (0)
  5. 1 star17% (10)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 26 reviews

Feb 2, 2026
Mike J
5 out of 5 stars review

Seller Verified Purchase

RPM Sensor Solved Door Opening/Closing Issue

The replacement RPM sensor solved the issue of the door only moving 6-8 inches and then reversing the same amount and then stopping. Replacement was straightforward.

Review from chamberlain.com
Helpful?4B57PZ45MOYS848214172
Jul 5, 2025
Sorzy63
5 out of 5 stars review

Seller Verified Purchase

Just what the opener needed

Based on the diagnostic code the opener was giving me, 5 flashes, this was why the codes said it was so I got it and it worked like a charm. So far so good anyways. Time will tell.

Review from chamberlain.com
Helpful?4B57PZ45MOYS848214172
Dec 9, 2024
Alan
Sold and shipped byGate Openers Unlimited
5 out of 5 stars review

Verified Purchase

RPM sensor (lift master)

Exact fit and quality. Fast shipping, best price on line. Will use again if I have any more trouble with my lift master(s). OEM part. Same as factory part number. AAA ***

Helpful?4B57PZ45MOYS848214172