• LH (Driver Side) FRONT
  • Power window regulator
  • Includes power window motor
  • Replaces dealer part numbers: 3R3Z6323201AA, 1R3Z6323209AA, 3R3Z-6323201-AA, 1R3Z-6323209-AA
  • 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!


  • This repair is easier than you may think. You'll find our installation videos helpful. In our experience removing and replacing the door panel is the most involved step in the repair. On most vehicles this only requires removing a few screws and push-in clips.
  • You'll get a great feeling of accomplishment after you complete this repair knowing you saved money, and you didn't have to give up your car for a day at the repair shop. Your passengers and other drivers will be amazed.

Fit guaranteed

  • 1A Auto will refund you with no hassle, if this window regulator does not fit the application stated.
    •  This regulator will install just as your original does. Save time and money.


  • Be confident this part will work right. Every regulator is tested after assembly to make sure all mechanisms are working correctly.
  • It is important that your new regulator works for a long period of time. The design of this regulator is tested to withstand 10,000 cycles. That is enough to raise and lower your window 3 times per day for 9 years.


  • Windows that don't work can be frustrating. They can also hurt your vehicles value. An inoperable window could mean $200-$500 discounted off a dealer trade value or asking price.
  • Some shops and dealers charge more for parts and repairs when they think you don't know what is involved. Now you can get the value you deserve. Knowing what this repair entails can be the difference between the value of doing it yourself, or the pain of a costly repair bill.
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.

Part Details

  • Operation: Power
  • Regulator Option: with Motor

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 : Removing the Door Panel (1:35)
    • Carefully pry and remove the clip on the inside edge of the door panel.
    • Insert a flat blade screwdriver into the notch at the top of the switch panel and carefully pry the top part of the panel out.
    • Then pry the bottom part of the same panel and left out.
    • Use a Phillips screw driver to disconnect the switch from the panel.
    • Remove the screws (or pin) from the panel.
    • Pry the bottom of the door handle. Then the top and pull it free.
    • Pry the panel by the mirror free.
    • Lift the door panel up and off.
    • Remove the water shield carefully to avoid ripping it.
  2. step : Preparing the New Regulator (4:32)
    • Bend the track indentations with a screw driver to free the track.
    • Slide the track off.
  3. step : Removing the Old Regulator (6:20)
    • Disconnect the window motor wires and pull it away from the door and push the wires into the hole.
    • Remove the 11mm nuts and bolts on the door to detach the regulator.
    • Pry off the weather strip on the top of the door.
    • Push the studs and lift up the regulator by pulling the window up.
    • Place a piece of wood underneath the regulator to hold it in place.
    • Bend the tabs on the window track using a pair of pliers.
    • Have an assistant hold the window and remove the wood.
    • Have them lift the window keeping it level to avoid it coming out of its track.
    • Slide the track out and pull it towards the inside of the door.
    • Lift the window more and move the arm of the regulator around to the opposite side.
    • Pull the regulator from the door.
  4. step : Installing the New Regulator (10:12)
    • Turn the arm away from the motor when inserting it into the door.
    • Feed the harness through.
    • Swing the arm back and connect it.
    • Connect the other arm
    • Lower the window onto it and push the stud through.
    • Tighten the nuts. And insert the bolts.
    • Slide the track on.
    • Connect the wire harness an test the window before replacing the door panel.
  5. step : Connecting the Door Panel (14:14)
    • Replace the water shield and weather strip.
    • Line up the lower tabs on the door panel with the slots on the door and lift the door panel up and over the lock.
    • Pull the harness through.
    • Push the door panel down into place.
    • Snap the mirror panel into place.
    • Replace the door panel screws (or pins).
    • Replace screws in the switch panel.
    • Snap the panel back into place.
    • Fit the door handle into place.
    • Reinsert the pin on the inside edge of the door panel.

Tools needed for replacement:

    General Tools

  • Assistant

  • Pliers, Cutters & misc Wrenches

  • Channel-Lock Pliers

  • Ratchets & Related

  • Ratchet

  • Screwdrivers & Related

  • Flat Blade Screwdriver

  • Sockets - Metric

  • 11mm Socket

4.3 / 5.0
12 Reviews
5 Stars
4 Stars
3 Stars
2 Stars
1 Star
Great experience!
Order was exactly as described. Delivered exactly when promised. Watched the video and the replacement was smooth and exactly as displayed. I am very happy with this whole experience!
July 12, 2018
4 weeks ago
Perfect fit.
Window regulator for my 1995 Mustang GT was a perfect fit and simple to bolt on. The price made it even better. Thank you for another great product.
March 7, 2018
5 months ago
Part working well
A great price. Video was helpful. Hardest part is getting the door panel off.
February 24, 2018
1 year ago
03 Mustang
All parts needed were included and easy to change out after watching the video.
October 16, 2017
9 months ago
manufacturing error
A few month ago I purchased the regulator for the passenger side and it was perfect. Now my drivers side died and I immediately went to A1 to purchase this item.

There was a manufacturing error that the window section was out of place during crimping and the nylon slide was caught under the crimp. I was able to bend the crimp and dislodge the part but not without some damage. A1 would have sent a new part but I already had my door dismantled and had to move forward.
September 7, 2017
11 months ago
Great price and easy installation!
I bought this part for my sons car. My son and I saw the installation video for this part. 1A Auto did an excellent job on the youtube video. Thanks it was a big help. We installed it with no problems. Works great!
August 27, 2017
11 months ago
Part fit great & video Excellent
The installation video was the first thing i saw, not knowing i was going to buying the part i needed from them also but I'm glad I did. repair was a success.
July 7, 2017
1 year ago
The instruction video made it simple and easy to install.it was my first time replacing a window motor the step by step instructions were easy to follow and understand
June 18, 2017
1 year ago
Window Regulator !AWRG01274-1994-04
The regulator has two studs and two fixed nuts that holds the regulator to the door. One of the studs was missing. I used a tapered bolt that I threaded into the hold where the stud was supposed to be.

Final inspection did not do its job. The missing stud should have been caught.
March 19, 2017
window regulator drive side 2001 mustang
window regulator worked great. spent about hr. taking old out and putting new in.
January 22, 2017
1 year ago
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Vehicle Fit

  • 1994-2004 Ford Mustang Front Power Window Regulator with Motor Driver Side

This part replaces:

  • OE # 1R3Z6323209AA
  • OE # 3R3Z6323201AA
  • Hollander 125-01793BL, 617-00483L
  • Dorman 741-126
  • Partslink FO1350131
  • TYC 660252
Part #: 1AWRG01274

How-to Video:

(17:37 min)