About TRQ: TRQ is a trusted brand dedicated to making every repair a success story by combining premium parts with easy installation. Each TRQ part is engineered by a team of automotive experts to meet or exceed OEM standards, delivering enhanced performance and maximum longevity. With rigorous in-house testing, the brand ensures superior fit and function across every product line. TRQ also provides customers with best-in-class, step-by-step installation videos—so you can complete repairs with confidence, whether you're a first-time DIYer or an industry professional.
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 www.P65Warnings.ca.gov.
This part fits
3 vehicles spanning 1987-2005.
Fits these Makes
Select vehicle
Year
Make
Model
Description
1987-1996
Peterbilt
357
Peterbilt 357 Front Passenger Side Power Power Window Motor & Regulator Assembly TRQ WRA52421
1987-1988
Peterbilt
378
Peterbilt 378 Front Passenger Side Power Power Window Motor & Regulator Assembly TRQ WRA52421
2003-2005
Peterbilt
379
Peterbilt 379 Front Passenger Side Power Power Window Motor & Regulator Assembly TRQ WRA52421
Part Interchange
Brand Label
Part Number
DIY Solutions
WIN00806
Dorman - HD Solutions
741-5402
Dorman - OE Solutions
741-5402
This item may be interchangeable with parts from other brands with the above part numbers.
This information is provided only for reference and does not guarantee that the item you are
purchasing is identical to parts with part numbers from the brands listed above.
To confirm that this item fits your vehicle, use the above "Check Vehicle Fit" option.
Lifetime Warranty
This item is backed by our limited lifetime warranty. In the event that this item should fail due to manufacturing defects during intended use, we will replace the part free of charge. This warranty covers the cost of the part only.
FREE Shipping is standard on orders shipped to the lower 48 States (Contiguous United States). Standard shipping charges apply to Hawaii and Alaska.
Shipping is not available to a P.O. Box, APO/FPO/DPO addresses, US Territories, or Canada for this item.
Expedited is available on checkout to the United States, excluding Alaska, Hawaii.
Final shipping costs are available at checkout.
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WRA52421
In Stock
Customer Q&A
Got a question about this part? Post it and get answers from our team.
Jerri-KaySeptember 29, 2020
Is this returnable if it's the wrong part?
Thank you for your inquiry. An item must meet one of the following conditions and be returned within 60 days from delivery to be eligible for a return:
The item received was incorrect
The item was unintentionally purchased
The item is no longer needed
The item arrived damaged
The item has a defect(s)
The item failed during intended use under warranty
The item does not fit your vehicle
1A Auto is not responsible for any damage, labor, return shipping costs, or any other inconveniences incurred. Please let us know if you have any further questions.
Jessica · September 29, 2020
Showing 1–1 of 1 question
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Specify your vehicle's year, make and model to guarantee fit.
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 www.P65Warnings.ca.gov.