Dorman 603-5512 Washer Fluid Reservoir - Front

Brand Dorman 603-5512
Position Front
Material Plastic
Color White
Mounting Hardware Included No
Mounting Bracket Included Yes
Package Contents 1 fluid reservoir
Reservoir Cap Included Yes
Fits —

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

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

Mounting bracket included. Reservoir cap is included as well.

Cross-references 575.1054 and 25128543 for the same application. See all 2.

$82.33Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $82.33
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Free returns within 60 days if it doesn't fit when fitment is verified.

Dorman 603-5512 Washer Fluid Reservoir

This Dorman washer fluid reservoir is a direct replacement for specific vehicle applications that need a durable, OE-style fluid tank under the hood. Built from plastic with a white finish, it includes a reservoir cap and mounting bracket for a cleaner, application-specific replacement on vehicles such as Chevrolet and GMC models.

Key Features

  • Plastic reservoir construction for underhood use
  • White color for OE-style appearance
  • Reservoir cap included
  • Mounting bracket included
  • Replacement part number: 603-5512

Detailed Description

Dorman 603-5512 is a replacement windshield washer fluid reservoir made to handle engine-bay heat and vibration. The reservoir is tested for fit and performance on specific vehicle applications, helping restore proper washer fluid storage and delivery when the original tank is cracked, leaking, or no longer holds fluid. This part cross-references Monroe Shocks & Struts (e.g., 575.1054, 25128543) for the same application. For buyers searching for a washer reservoir for Chevrolet Silverado, GMC Sierra, or related GM truck applications, this OE-style replacement provides the correct form and function for the listed vehicle fitment.

What It Helps Fix

  • Washer fluid leaks from a damaged reservoir
  • Cracks caused by heat cycling or vibration
  • Low washer fluid storage from a failed tank
  • Washer system performance issues tied to a broken reservoir cap
  • Mounting problems when the original bracket is damaged or missing

Installation Notes and Tips

Transfer any vehicle-specific components not included with the reservoir before installation. Verify the reservoir cap seals properly and confirm the mounting bracket aligns with the original attachment points. For fitment-based searches, this part is listed for specific Chevrolet and GMC applications; confirm the vehicle year, make, and model before ordering. Part number 603-5512 should be matched to the original reservoir shape, mounting points, and hose connections.

Quality Assurance

This Dorman replacement reservoir is manufactured for underhood durability and is thoroughly tested to support proper fit and performance on the specified applications. It is built as an OE-style replacement for drivers needing a dependable washer fluid reservoir for Chevrolet and GMC vehicles.

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.
575.105425128543