HomeWiper and Washer > Windshield Washer and Related ComponentsDorman 603-596 Washer Fluid Reservoir - Front
Part #: 603-596

Dorman 603-596 Washer Fluid Reservoir - Front

Front
⚙️ 25 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Buick, Chevrolet, GMC, and Saturn, Enclave, Traverse, Acadia Limited, Acadia, and Outlook
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Overview of Dorman Washer Fluid Reservoir 603-596

The Dorman Washer Fluid Reservoir 603-596 is designed for reliable windshield washer fluid storage in select Buick, Chevrolet, GMC, and Saturn vehicles. This clear plastic reservoir offers a 3.7-liter capacity and is compatible with models such as the Buick Enclave, Chevrolet Traverse, GMC Acadia, and Saturn Outlook.

  • Material: Durable clear plastic construction
  • Capacity: 3.7 liters (maximum and working capacity)
  • Dimensions: 28.5" height, 10" width, 5.5" length
  • Attachment Type: Bolt-on installation
  • Includes reservoir cap; hoses, pump, mounting hardware, and brackets not included
  • Hose port diameter: 0.8 inches

Detailed Product Description

This washer fluid reservoir by Dorman is engineered to meet the specifications required for proper fitment and function in Buick Acadia, Chevrolet Traverse, GMC Acadia Limited, and Saturn Outlook models. Constructed from clear plastic, it allows for easy fluid level monitoring. The bolt-on attachment type ensures secure mounting without the need for additional brackets or hardware, which are not included. The reservoir cap is included to maintain a sealed system and prevent contamination. Note that this part does not include hoses, washer pump, or fluid level sensor, so those components must be sourced separately if needed.

Common Applications and Problem Resolution

  • Replacement of cracked or leaking washer fluid reservoirs
  • Restoring proper washer fluid storage capacity in Buick, Chevrolet, GMC, and Saturn vehicles
  • Resolving windshield washer fluid leaks that cause low fluid warnings or ineffective windshield cleaning
  • Addressing damage from road debris or engine compartment heat exposure
  • Ensuring compatibility with factory washer pump and hose assemblies

Installation Notes and Tips

  • Designed for bolt-on installation; verify mounting points on your vehicle before installation
  • Ensure the hose port diameter (0.8 inches) matches existing washer fluid hoses
  • Use the included reservoir cap to maintain system integrity
  • Check for any additional components such as washer pumps or sensors that may require transfer or replacement
  • Consult vehicle service manual for specific removal and installation procedures

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-596 washer fluid reservoir undergoes quality inspections to ensure durability and proper fitment with compatible Buick, Chevrolet, GMC, and Saturn models. Warranty coverage details should be confirmed with the original product documentation or supplier.

BrandDorman
Part Number603-596
Attachment TypeBolt On
Capacity3.7 L
ColorClear
Fluid Level SensorNo
Height28.5
Hose Port Diameter0.8
Hoses IncludedNo
Length5.5
MaterialPlastic
Maximum Capacity3.7
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package Contents1 Coolant Reservoir; 1 Cap
Reservoir Cap IncludedYes
Washer Pump IncludedNo
Width10
Working Capacity3.7

This part fits 25 vehicles. Search below:

YearMakeModelPositionNotes
2017BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2017ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2017GMCAcadia LimitedFrontw/Pumps; w/Sensor; w/Hoses
2016BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2016ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2016GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2015BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2015ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2015GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2014BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2014ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2014GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2013BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2013ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2013GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2012BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2012ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2012GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2011BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2011ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2011GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2010BuickEnclaveFrontw/Pumps; w/Sensor; w/Hoses
2010ChevroletTraverseFrontw/Pumps; w/Sensor; w/Hoses
2010GMCAcadiaFrontw/Pumps; w/Sensor; w/Hoses
2010SaturnOutlookFrontw/Pumps; w/Sensor; w/Hoses

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

23139981

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.