Peterbilt 357 378 379 Window Regulator Dorman 741-5402 - DMWRG00020

Part Details

  • Regulator Option: with Motor
  • Operation: Power



  • Brand New Dorman Power Window Regulator
  • Fits RH (Passenger Side) FRONT
  • Power operation
  • Replaces dealer part number: R21-6011R, R216011R
  • Includes Power Window Motor
  • Direct replacement
  • Built to strict quality control standards
NOTE: There are different design regulators available for these models. Please compare the original dealer part number listed above to ensure the correct fit.

This window regulator makes a great replacement and has good cost savings over a dealer purchased unit.

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

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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Vehicle Fit

Year Make Model Description
1987-1996Peterbilt 357 Peterbilt 357 Front Power Window Regulator with Motor Passenger Side Dorman 741-5402
1987-1988Peterbilt 378 Peterbilt 378 Front Power Window Regulator with Motor Passenger Side Dorman 741-5402
2003-2005Peterbilt 379 Peterbilt 379 Front Power Window Regulator with Motor Passenger Side Dorman 741-5402

This part replaces:

  • Dorman 741-5402
  • OE # R216011R
Only 1 left in stock
Part #: DMWRG00020

Order must be placed by 4pm ET

Get it in: 2 - 4 Business Days

Want it sooner? Choose Next Day Air at Checkout

Brand #: 741-5402