Dorman Products 603-5402 Washer Fluid Reservoir

Part Number
Heavy Duty Windshield Washer Fluid ReservoirFits: 00-08 Peterbilt 385, 00-11 Peterbilt 387, 05-10 Peterbilt 335, 06-16 Peterbilt 386, 08-19 Peterbilt 367, 08-16 Peterbilt 384, 08-15 Peterbilt 388, 08-19 Peterbilt 389, 13-18 Kenworth T680, 14-19 Kenworth T880
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Only 6 left
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Estimated Ship Date: 1 Business Day or Less
This replacement washer fluid reservoir is manufactured to withstand the stresses of underhood heat and engine vibration. It is thoroughly tested to ensure optimum fit and performance on specific vehicle applications.

BRAND: Dorman - HD Solutions


  • Direct replacement - this washer fluid reservoir fits and functions like original equipment on specific vehicle applications
  • Thoroughly tested - design has undergone heat age testing and burst testing to help ensure reliability in the toughest conditions
  • Exact fit - each reservoir is carefully scanned to provide a precise match to the OEM shape and dimensions for a clean installation
  • Windshield, Washer, Fluid, Reservoir, Fluids, Reservoirs
  • Kenworth 2019-13, Peterbilt 2019-00
  • Heavy Duty Windshield Washer Fluid Reservoir
  • Restores performance - everything you need to fix a leaking factory fluid reservoir


Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Washer Fluid Reservoir
Reservoir Cap IncludedYes

w/BEHR Cooling Module



  • Automann: 575.1022
  • Paccar Parts: N5355001


  • 2008-2015 Peterbilt 388 - Position: N/A
  • 2000-2008 Peterbilt 385 - Position: N/A
  • 2008-2019 Peterbilt 367 - Position: N/A
  • 2000-2011 Peterbilt 387 - Position: N/A
  • 2008-2019 Peterbilt 389 - Position: N/A
  • 2005-2010 Peterbilt 335 - Position: N/A
  • 2006-2016 Peterbilt 386 - Position: N/A
  • 2008-2016 Peterbilt 384 - Position: N/A
  • 2014-2019 Kenworth T880 - Position: Front
  • 2013-2018 Kenworth T680 - Position: Front
Customer Questions
Can I use Dorman parts to replace OEM parts?
Yes, Dorman parts can often be used as replacements for OEM parts, but it is important to carefully compare specifications and ensure compatibility.
How do I install Dorman shift linkage bushing?
To install a Dorman shift linkage bushing, first locate the old bushing and remove it if necessary. Apply lubricant to the Dorman bushing and slide it onto the shift linkage, tapping it into place with a soft tool until fully seated. Check the alignment and function of the shift linkage after installation.
Where is Dorman manufactured?
Dorman is a global automotive parts supplier with manufacturing facilities in the United States, Mexico, Canada, China, and India. Its headquarters and largest manufacturing facility are located in Colmar, Pennsylvania, USA.
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