2009-10 Kenworth T800 W900 Window Regulator Dorman 741-5403 - DMWRG00021

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Part Details

  • Regulator Option:   with Motor
  • Operation:   Power



  • Brand New Dorman Power Window Regulator
  • Fits LH (Driver Side) Front
  • Power operation
  • Includes power window motor
  • Fits models with Daylight Doors only
NOTE: There are different design regulators available for these models. Please compare the original dealer part number listed to ensure the correct fit.

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!

Item Condition: New

Attention California Customers:

WARNING:  This product can expose you to chemicals including Chromium (Hexavalent Compounds), which is 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.

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Year Make Model Description
2009-2010Kenworth T800 Kenworth T800 with Daylight Doors Front Power Window Regulator with Motor Driver Side Dorman 741-5403
2009-2010Kenworth W900 Kenworth W900 with Daylight Doors Front Power Window Regulator with Motor Driver Side Dorman 741-5403
Only 3 left in stock
Part #: DMWRG00021

Order must be placed by 4pm ET
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Estimated Arrival Cost

Deliveries made to PO Boxes and FPO may take longer. See our Shipping & Delivery for more information.

Get it in: 2 - 4 Business Days

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Brand #: 741-5403