Dorman 603-5404 Washer Fluid Reservoir - Front

Brand Dorman 603-5404
Position Front
Material Plastic
Color Clear
Mounting Hardware Included No
Mounting Bracket Included No
Package Contents 1 coolant reservoir
Reservoir Cap Included Yes
Fits —

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

Thoroughly tested fit. Ensures optimum fit and performance.

Reservoir cap included. Ready for installation with the cap supplied.

Cross-references 575.1021 and R866001 for the same application. See all 2.

$80.20Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Verify this part fits before purchasing β€” free returns if it doesn't
Step 2 — Quantity
Order total $80.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 603-5404 Washer Fluid Reservoir

The Dorman 603-5404 washer fluid reservoir is a direct replacement component for specific vehicle applications that need a durable underhood fluid tank. Built from plastic and finished in clear material, it is made to handle engine bay heat and vibration while supporting reliable windshield washer system operation.

Key Features

  • Plastic reservoir construction for underhood use
  • Clear design for easier fluid level visibility
  • Reservoir cap included
  • Thoroughly tested for fit and performance on specific applications
  • Replacement part for windshield washer system service

Product Details

This washer fluid reservoir is engineered as a replacement for vehicles that need a serviceable fluid storage tank in the windshield washer system. The Dorman 603-5404 is built to withstand heat cycling and engine vibration, helping maintain reservoir integrity in demanding operating conditions. It is a practical choice for owners searching for a washer fluid reservoir replacement for Dorman 603-5404 applications, including select Chevrolet and GMC vehicle fitments where the original tank has cracked, leaked, or become discolored.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

What It Helps Address

  • Washer fluid leaks from a cracked reservoir
  • Low washer fluid storage caused by damaged plastic
  • Poor windshield washer system function from a failed tank
  • Reservoir cap loss or deterioration
  • Service replacement for a worn OE-style washer tank

Installation Notes and Tips

Verify the reservoir shape, mounting points, and hose connections against the original part before installation. This reservoir does not include mounting hardware or a mounting bracket. Transfer any reusable connected components as needed and confirm the cap seats securely after installation. For fitment-based searches, use terms such as Dorman 603-5404 washer fluid reservoir replacement for Chevrolet and GMC applications.

Quality Assurance

Dorman tests this replacement reservoir for fit and performance on specific vehicle applications to support dependable service in the windshield washer system. Part number 603-5404 is built to meet the demands of underhood heat and vibration in normal vehicle operation.

This part fits 0 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelPositionNotes
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
575.1021R866001