Dorman 603-131 Washer Fluid Reservoir - Front

Washer Fluid Reservoir for GM Trucks and SUVs

This Dorman washer fluid reservoir is a direct replacement for select Chevrolet and GMC applications that need a dependable front washer tank. Built from plastic and supplied with a reservoir cap, it is made to handle underhood heat and engine vibration while maintaining proper fit and function.

Compatible with classic Chevrolet Blazer, GMC Jimmy, and a wide range of C/K and R/V series trucks and Suburban models, Dorman part number 603-131 supports accurate OE-style replacement for front washer system service.

Key Features

• Plastic reservoir construction for everyday underhood use
• White finish for OE-style appearance
• Reservoir cap included
• Replacement washer fluid reservoir for front washer system applications
• Thoroughly tested for fit and performance on specific vehicle applications
• Dorman 603-131 replacement part for select Chevrolet and GMC models

Detailed Description

Dorman 603-131 is a replacement washer fluid reservoir engineered for select Chevrolet and GMC trucks and SUVs from the mid-1980s through early 1990s. It is manufactured to withstand heat cycling and engine vibration in the engine compartment, helping restore proper washer fluid storage when the original tank is cracked, warped, or no longer sealing correctly. This part cross-references GM 22049297 for the same application.

Fits 1985-1986 Chevrolet C10, front; Fits 1985-1986 Chevrolet C10 Suburban, front; Fits 1985-1986 Chevrolet C20, front; Fits 1985-1986 Chevrolet C20 Suburban, front; Fits 1985-1986 Chevrolet C30, front; Fits 1985-1986 Chevrolet K10, front; Fits 1985-1986 Chevrolet K10 Suburban, front; Fits 1985-1986 Chevrolet K20, front; Fits 1985-1986 Chevrolet K20 Suburban, front; Fits 1985-1986 Chevrolet K30, front; Fits 1985-1986 Chevrolet K5 Blazer, front; Fits 1985-1986 GMC C1500, front; Fits 1985-1986 GMC C1500 Suburban, front; Fits 1985-1986 GMC C2500, front; Fits 1985-1986 GMC C2500 Suburban, front; Fits 1985-1986 GMC C3500, front; Fits 1985-1986 GMC K1500, front; Fits 1985-1986 GMC K1500 Suburban, front; Fits 1985-1986 GMC K2500, front; Fits 1985-1986 GMC K2500 Suburban, front; Fits 1985-1986 GMC K3500, front; Fits 1987 Chevrolet R10, front; Fits 1987 Chevrolet V10, front; Fits 1987 Chevrolet V20, front; Fits 1987 GMC R1500, front; Fits 1987 GMC V1500, front; Fits 1987 GMC V2500, front; Fits 1987-1988 Chevrolet R10 Suburban, front; Fits 1987-1988 Chevrolet R20, front; Fits 1987-1988 Chevrolet R20 Suburban, front; Fits 1987-1988 Chevrolet R30, front; Fits 1987-1988 Chevrolet V10 Suburban, front; Fits 1987-1988 Chevrolet V20 Suburban, front; Fits 1987-1988 Chevrolet V30, front; Fits 1987-1989 GMC R2500, front; Fits 1987-1991 Chevrolet Blazer, front; Fits 1987-1991 GMC Jimmy, front; Fits 1987-1991 GMC R1500 Suburban, front; Fits 1987-1991 GMC R2500 Suburban, front; Fits 1987-1991 GMC R3500, front; Fits 1987-1991 GMC V1500 Suburban, front; Fits 1987-1991 GMC V2500 Suburban, front; Fits 1987-1991 GMC V3500, front; Fits 1989 Chevrolet R2500, front; Fits 1989-1991 Chevrolet R1500 Suburban, front; Fits 1989-1991 Chevrolet R2500 Suburban, front; Fits 1989-1991 Chevrolet R3500, front; Fits 1989-1991 Chevrolet V1500 Suburban, front; Fits 1989-1991 Chevrolet V2500 Suburban, front; Fits 1989-1991 Chevrolet V3500, front.

Common Repair Uses

• Cracked or leaking washer reservoir
• Washer fluid loss from age-related plastic failure
• Broken cap or poor reservoir sealing
• Restoring windshield washer fluid storage after collision or engine bay damage
• Replacing a worn OE tank on Chevrolet and GMC truck and SUV platforms

Installation Notes and Tips

Verify the reservoir shape, mounting points, and hose routing against the original unit before installation. Mounting hardware and mounting bracket are not included, so reuse serviceable original components where applicable. Confirm the reservoir cap is seated correctly and check the washer system for leaks after filling.

Quality Assurance

This Dorman washer fluid reservoir is tested for fit and performance on the listed vehicle applications. Its plastic construction is selected to handle underhood heat and vibration, supporting reliable replacement service for Chevrolet and GMC front washer systems.