Dorman 603-128 Washer Fluid Reservoir - Front

Brand Dorman 603-128
Position Front
Color White
Material Plastic
Mounting Bracket Included No
Mounting Hardware Included No
Package Contents Washer Fluid Reservoir
Reservoir Cap Included Yes
Fits Buick, Chevrolet, Pontiac, and Oldsmobile · 38 vehicles

OE-style replacement. Thoroughly tested for fit and performance on specific applications.

Heat-resistant plastic. Built to withstand underhood heat and engine vibration.

Reservoir cap included. Ready for a complete washer fluid reservoir replacement.

Cross-references 88892064 for the same application. See all 1.

$118.85Free shipping
In stock · usually ships same day before 1pm CST
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Step 2 — Quantity
Order total $118.85
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Washer Fluid Reservoir for GM Front Applications

This Dorman washer fluid reservoir is a direct replacement for select GM vehicles that need a front-mounted washer tank with a secure cap and OE-style fit. Built from plastic and finished in white, Dorman 603-128 is made to handle underhood heat and engine vibration while supporting reliable windshield washer system operation.

Key Features

  • Replacement washer fluid reservoir for front washer system applications
  • Plastic construction with a white finish
  • Reservoir cap included
  • Thoroughly tested for fit and performance on specific vehicle applications
  • Dorman 603-128 for select Buick, Chevrolet, Oldsmobile, and Pontiac models

Detailed Description

Dorman 603-128 is a windshield washer reservoir replacement designed for vehicles that require a front-position tank. It is engineered to withstand underhood heat and engine vibration, helping maintain washer fluid storage and delivery in daily driving conditions. This part cross-references OE number 88892064 for the same application. Compatible vehicles include Fits 1998-2005 Buick Century, front; Fits 2000-2005 Chevrolet Impala, front; Fits 2000-2005 Chevrolet Monte Carlo, front; Fits 1998-2004 Buick Regal, front; Fits 1998-2003 Pontiac Grand Prix, front; and Fits 1998-2002 Oldsmobile Intrigue, front.

Common Issues This Part Can Address

  • Cracked or leaking washer fluid reservoir
  • Washer fluid loss from heat-related plastic failure
  • Poor windshield washer system fluid storage
  • Reservoir damage from engine vibration or age
  • Need for a front washer tank replacement on select GM vehicles

Installation Notes and Tips

Verify the vehicle’s front washer reservoir location before ordering. Mounting hardware and mounting bracket are not included, so reuse serviceable original components as needed. Confirm the reservoir cap is transferred or installed correctly to help maintain a sealed washer fluid system. This part is listed for select Buick Century, Buick Regal, Chevrolet Impala, Chevrolet Monte Carlo, Pontiac Grand Prix, and Oldsmobile Intrigue applications, and Dorman 603-128 should be matched to the exact model year and position shown in the fitment data.

Quality Assurance

Dorman tests this reservoir for fit and performance on specific vehicle applications to support dependable replacement use. The design focuses on OE-style fitment and durability for the listed GM front washer reservoir applications.

This part fits 38 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
2005BuickCenturyFront—
2005ChevroletImpalaFront—
2005ChevroletMonte CarloFront—
2004BuickCenturyFront—
2004BuickRegalFront—
2004ChevroletImpalaFront—
2004ChevroletMonte CarloFront—
2003BuickCenturyFront—
2003BuickRegalFront—
2003ChevroletImpalaFront—
2003ChevroletMonte CarloFront—
2003PontiacGrand PrixFront—
2002BuickCenturyFront—
2002BuickRegalFront—
2002ChevroletImpalaFront—
2002ChevroletMonte CarloFront—
2002OldsmobileIntrigueFront—
2002PontiacGrand PrixFront—
2001BuickCenturyFront—
2001BuickRegalFront—
2001ChevroletImpalaFront—
2001ChevroletMonte CarloFront—
2001OldsmobileIntrigueFront—
2001PontiacGrand PrixFront—
2000BuickCenturyFront—
2000BuickRegalFront—
2000ChevroletImpalaFront—
2000ChevroletMonte CarloFront—
2000OldsmobileIntrigueFront—
2000PontiacGrand PrixFront—
1999BuickCenturyFront—
1999BuickRegalFront—
1999OldsmobileIntrigueFront—
1999PontiacGrand PrixFront—
1998BuickCenturyFront—
1998BuickRegalFront—
1998OldsmobileIntrigueFront—
1998PontiacGrand PrixFront—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
88892064