Dorman 603-5503 Washer Fluid Reservoir - Front

Washer Fluid Reservoir Replacement

Dorman 603-5503 is a replacement washer fluid reservoir built for underhood heat and engine vibration. It is made from clear plastic and includes a reservoir cap, making it a direct service part for restoring windshield washer system function on the correct vehicle application.

Key Features

• Clear plastic construction for easy fluid level visibility
• Replacement reservoir for windshield washer system service
• Includes reservoir cap
• Engineered for fit and performance on specific vehicle applications
• Built to handle heat and vibration in the engine compartment

Product Details

This Dorman washer fluid reservoir, part number 603-5503, is manufactured as an OE-style replacement for vehicles that need a new windshield washer tank. The clear plastic body supports quick visual checks of washer fluid level, while the included cap helps close the reservoir securely. For drivers searching for a washer reservoir for Chevrolet Malibu or a washer fluid reservoir for Chevrolet Malibu replacement service, 603-5503 provides a direct-fit repair solution when the original tank is cracked, leaking, or no longer holding fluid. This part cross-references Monroe Shocks & Struts (e.g., 575.1051, 25128217) for the same application.

Common Problems It Can Help Solve

• Washer fluid leaking from a cracked reservoir
• Low washer fluid due to tank damage
• Poor windshield cleaning from a reservoir that will not hold fluid
• Broken or missing reservoir cap
• Service issues caused by heat-related plastic deterioration or vibration damage

Installation Notes and Tips

Verify vehicle application before installation and compare the original reservoir shape, mounting points, and hose connections to the replacement part. Transfer any reusable components from the original system as needed, and inspect washer hoses, pump seals, and electrical connectors for wear before reassembly. This part does not include mounting hardware or a mounting bracket.

Quality Assurance

Dorman manufactures this reservoir to meet application-specific fit and performance requirements and tests it for use in the underhood environment. Part number 603-5503 is intended as a replacement for the original washer fluid reservoir on the correct vehicle application.