2000-05 Buick LeSabre Window Regulator - 1AWRG00186

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How-To & Tools
Product Reviews
Vehicle Fit

Part Details

  • Regulator Option:   with Motor
  • Operation:   Power


  • RH (Passenger Side) REAR DOOR
  • Power operation
  • Includes power window motor already assembled to regulator
  • Direct replacement
  • Built to strict quality control standards

Please Note:

This window regulator is a high quality aftermarket part that meets or exceeds the performance of the original. It has been subjected to extensive testing and quality control standards. That is why we offer this regulator with our superior warranty!

Direct Fit

Direct fit, pre-assembled parts made ready to fit your vehicle and provide easy and trouble-free installation.

Rigorously Tested

Build to strict quality standards

Highest Quality Materials

Made from the highest quality materials for extreme durability and premium performance.

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Lead and Lead Compounds, which are known to the State of California to cause cancer, and birth defects or other reproductive harm.  For more information, go to

Lifetime Warranty

This item is backed by a Limited Lifetime Warranty. In the event this item should fail due to manufacturing defects during intended use, we will exchange the part free of charge (excludes shipping charges) for the original purchaser.

  1. step : Remove the door panel (1:00)
    • Use a flatblade screwdriver to pry the triangle panel on the inside of the door were the side mirror is.
    • Disconnect the speaker lead.
    • Pry up the door latch bezel.
    • Pry up the reflector.
    • Remove the two screws now exposed with a Phillips screwdriver.
    • Pry the door panel off with a putty knife.
    • Unplug the wiring harness from the switch panel.
  2. step : Remove the window regulator (3:10)
    • Carefully pull back the water shield.
    • Unbolt the clasp securing the window to the window regulator.
    • Tape the window up and out of the way with painters tape.
    • Unplug the window motor lead.
    • Unbolt the window regulator from the door panel.
    • Thread the window regulator out of the door.
  3. step : Install the new window regulator (6:15)
    • Thread the window regulator into the door.
    • Bolt it into place and clip the window to the regulator and tighten the clip screws.
    • Plug in the window motor.
    • Replace the water shield.
  4. step : Reassemble the door panel (10:00)
    • Check out our other videos for more detailed assembly instructions.

Tools needed for replacement:

    Ratchets & Related

  • Ratchet
  • Socket Extensions

  • Screwdrivers & Related

  • Flat Blade Screwdriver
  • Phillips Head Screwdriver

  • Sockets - Metric

  • 10mm Socket

5.00/ 5.0
13 reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Window opener
Im not a mechanic. I just followed the YouTube installation video. I wont miss the packing tape filling the top 1 inch gap above my window.
February 15, 2017
replacement regulator
this regulator was an exact fit replacement no problems with part and replacement was simple with correct tools. Price was lowest I found and free shipping a big plus. This is the second regulator I have purchased as an older model I own also had one go bad .This model car is noted for regulators. The first one was replaced three years ago and is still going strong.
February 16, 2017
Excellent part and service
Top notch service and communication makes 1aauto very high up on my list of auto parts suppliers
July 10, 2017
window regulators
I have replaced all my window regulators with 1a auto ones best i have found yet! Great prices great product!! Shop with these guys a lot for all my cars& truck.. thanks Brian pierce
October 2, 2017
buick window regulator
The part works perfectly, and the video really helped me through the removal and replacement... Gotta give ya 5 stars... Thanx
November 8, 2017
Good product. The videos are very helpful its the main reason I buy from 1A auto.
February 8, 2018
R/R Window regulator
I bought this for a 2001 Buick Le Sabre I got for my Grand Daughter. Expected a real cheap Regulator. The one I got looked better built than the Factory one. I was very impressed and found a new parts supplier
April 9, 2018
Perfect replacement. Working Well !!!!
Order was filled without delay. Part replacement was a perfect match for the OEM Part.
May 8, 2018
Good as new
The online video was so helpful. Was able to repair myself within an hour and get my window working again. This is the part you want if either motor stops or pulley wire breaks/comes off track. This brand new part was cheaper than buying one in junk yard. Having to wait for the 3-day (business day) shipping seemed like an eternity though.
August 18, 2018
Great Service & Part
The window regulator arrived on time, as promised. After reviewing the excellent video provided by Mike, it was easy to install, no problems were encountered. The total job took less time than I expected and the operator is working as designed. The new unit appears to be more robust than the OEM unit that I replaced, so it will likely last much longer. I want to thank 1A Auto for the quick service and for providing a quality part at a reasonable cost!
August 28, 2018
Perfect Replacement Part
Great part. This is the third window regulator we have ordered from 1A Auto and they have all been perfect. We appreciate the excellent how to videos as they make do it yourself repairs possible. Detailed and articulate.
September 3, 2018
2002 Buick LeSabre RR window regulator.
(02 LeSabre right rear window regulatoer) Direct replacement, hardest part almost was unplugging it to get it out. Also I drive dirt roads and took me just as long to clean the dust and dirt OUT of the door than to replace the unit. One recommendation is get a new window switch as well. (Especially if you live or drive dirt roads!!) AND watch a video on it too, the replacement will go a little quicker and maybe a little smoother as well!
November 8, 2018
Window Regulator
The operator installed easily, was very quiet in operation and worked better than expected. I once received a regulator for the other door, from another vendor, which was noisy and did not have enough power to open nor close the window on a cold day. It is 17 degrees Fahrenheit today and it appears to work as easily today as it did Saturday when I installed it. Thank you for a quality product which fit as advertised and offered not surprises.
November 12, 2018
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Year Make Model Description
2000-2005Buick LeSabre Buick LeSabre Rear Power Window Regulator with Motor Passenger Side
Part #: 1AWRG00186

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

How-to Video:

(10:52 min)