HomeWiper and Washer > Windshield Washer and Related ComponentsDorman 603-191 Washer Fluid Reservoir - Front
Part #: 603-191

Dorman 603-191 Washer Fluid Reservoir - Front

Front
⚙️ 100 vehicles fit this part
🔍
Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
$84.43Free Shipping
🚚Free ShippingNo Cost to Continental U.S.
🔄Free Returns*Wrong fit? No cost
🛡️60-Day ReturnsMoney back guarantee
*Free return shipping only qualifies if our fitment verification tool is used.
🔥
✅ In Stock · Ready To Ship Most orders ship same-day if ordered before 1pm CST.
OE Direct Replacement — Bolt-on fit, no modifications needed
🚗Fitment: Chevrolet and GMC, Express 2500, Express 3500, Savana 2500, Savana 3500, Express Cargo, Express Pasajeros, Express 1500, Savana 1500, and Cargo Van
🔄Easy Returns — Return within 60 days for a full refund
🚚Fast Shipping — Most orders ship same business day before 1pm CST

Overview of Dorman Washer Fluid Reservoir 603-191

The Dorman Washer Fluid Reservoir 603-191 is designed for reliable windshield washer fluid storage in select Chevrolet and GMC vans. This clear plastic reservoir includes a cap and is engineered to meet the specific needs of Express and Savana models, ensuring proper fit and function.

  • Constructed from durable clear plastic material
  • Includes reservoir cap for secure fluid containment
  • Compatible with Chevrolet Express 1500, 2500, 3500 and GMC Savana 1500, 2500, 3500
  • Does not include mounting hardware or bracket
  • Part number 603-191 for precise identification

Product Details and Specifications

This washer fluid reservoir by Dorman is made from clear plastic, allowing for easy fluid level monitoring without removal. The included reservoir cap helps prevent contamination and fluid spillage. While mounting hardware and brackets are not included, the reservoir is designed to fit securely within the factory mounting points of Chevrolet Express and GMC Savana vans. The part number 603-191 ensures compatibility with these specific models, providing a direct replacement for worn or damaged reservoirs.

Compatible Vehicles and Applications

This washer fluid reservoir is compatible with the following vehicles:

  • Chevrolet Express 1500, 2500, 3500
  • GMC Savana 1500, 2500, 3500

It is intended for use in windshield washer systems to store and supply washer fluid, maintaining clear visibility during adverse weather conditions.

Common Issues Addressed by This Reservoir

  • Cracked or leaking washer fluid reservoir
  • Difficulty monitoring washer fluid levels due to opaque or damaged tanks
  • Contaminated washer fluid from missing or damaged caps
  • Replacement of worn or brittle plastic reservoirs
  • Ensuring proper fluid containment to prevent engine bay damage

Installation Notes and Tips

  • Verify vehicle compatibility with Chevrolet Express or GMC Savana models before installation
  • Use existing mounting hardware or source compatible brackets as this product does not include them
  • Inspect washer fluid lines and connections during installation for leaks or damage
  • Fill reservoir with appropriate washer fluid after installation and test system operation

Quality Assurance and Warranty

Dorman manufactures this washer fluid reservoir to meet or exceed OEM standards for fit and function. The clear plastic construction is resistant to typical automotive fluids and environmental conditions. The product includes a reservoir cap to maintain system integrity. Warranty coverage details should be confirmed at the point of purchase, as they may vary.

BrandDorman
Part Number603-191
ColorClear
MaterialPlastic
Mounting Bracket IncludedNo
Mounting Hardware IncludedNo
Package ContentsWasher Fluid Reservoir
Reservoir Cap IncludedYes

This part fits 100 vehicles. Search below:

YearMakeModelPositionNotes
2021ChevroletExpress 2500Front
2021ChevroletExpress 3500Front
2021GMCSavana 2500Front
2021GMCSavana 3500Front
2020ChevroletExpress 2500Front
2020ChevroletExpress 3500Front
2020GMCSavana 2500Front
2020GMCSavana 3500Front
2019ChevroletExpress 2500Front
2019ChevroletExpress 3500Front
2019GMCSavana 2500Front
2019GMCSavana 3500Front
2018ChevroletExpress 2500Front
2018ChevroletExpress 3500Front
2018GMCSavana 2500Front
2018GMCSavana 3500Front
2017ChevroletExpress 2500Front
2017ChevroletExpress 3500Front
2017GMCSavana 2500Front
2017GMCSavana 3500Front
2016ChevroletExpress 2500Front
2016ChevroletExpress 3500Front
2016GMCSavana 2500Front
2016GMCSavana 3500Front
2015ChevroletExpress 2500Front
2015ChevroletExpress 3500Front
2015GMCSavana 2500Front
2015GMCSavana 3500Front
2014ChevroletExpress 1500Front
2014ChevroletExpress 2500Front
2014ChevroletExpress 3500Front
2014GMCSavana 1500Front
2014GMCSavana 2500Front
2014GMCSavana 3500Front
2013ChevroletExpress 1500Front
2013ChevroletExpress 2500Front
2013ChevroletExpress 3500Front
2013GMCSavana 1500Front
2013GMCSavana 2500Front
2013GMCSavana 3500Front
2012ChevroletExpress 1500Front
2012ChevroletExpress 2500Front
2012ChevroletExpress 3500Front
2012GMCSavana 1500Front
2012GMCSavana 2500Front
2012GMCSavana 3500Front
2011ChevroletExpress 1500Front
2011ChevroletExpress 2500Front
2011ChevroletExpress 3500Front
2011GMCSavana 1500Front
2011GMCSavana 2500Front
2011GMCSavana 3500Front
2010ChevroletExpress 1500Front
2010ChevroletExpress 2500Front
2010ChevroletExpress 3500Front
2010GMCSavana 1500Front
2010GMCSavana 2500Front
2010GMCSavana 3500Front
2009ChevroletExpress 1500Front
2009ChevroletExpress 2500Front
2009ChevroletExpress 3500Front
2009GMCSavana 1500Front
2009GMCSavana 2500Front
2009GMCSavana 3500Front
2008ChevroletExpress 1500Front
2008ChevroletExpress 2500Front
2008ChevroletExpress 3500Front
2008GMCSavana 1500Front
2008GMCSavana 2500Front
2008GMCSavana 3500Front
2007ChevroletExpress 1500Front
2007ChevroletExpress 2500Front
2007ChevroletExpress 3500Front
2007GMCSavana 1500Front
2007GMCSavana 2500Front
2007GMCSavana 3500Front
2006ChevroletExpress 1500Front
2006ChevroletExpress 2500Front
2006ChevroletExpress 3500Front
2006GMCSavana 1500Front
2006GMCSavana 2500Front
2006GMCSavana 3500Front
2005ChevroletExpress 1500Front
2005ChevroletExpress 2500Front
2005ChevroletExpress 3500Front
2005GMCSavana 1500Front
2005GMCSavana 2500Front
2005GMCSavana 3500Front
2004ChevroletExpress 1500Front
2004ChevroletExpress 2500Front
2004ChevroletExpress 3500Front
2004GMCSavana 1500Front
2004GMCSavana 2500Front
2004GMCSavana 3500Front
2003ChevroletExpress 1500Front
2003ChevroletExpress 2500Front
2003ChevroletExpress 3500Front
2003GMCSavana 1500Front
2003GMCSavana 2500Front
2003GMCSavana 3500Front

* 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:

88958134

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