Dorman 603-871 Washer Fluid Reservoir - Front

Overview of Dorman Washer Fluid Reservoir 603-871

The Dorman Washer Fluid Reservoir 603-871 is designed to provide reliable windshield washer fluid storage for select Chevrolet and GMC trucks. Engineered from durable plastic, this reservoir ensures consistent performance and longevity for your vehicle's washer system.

• Constructed from sturdy plastic material for durability
• Compatible with Chevrolet Silverado 2500, 2500 HD, 3500 HD and GMC Sierra 2500 HD, 3500 HD models
• Bracketed attachment type for secure mounting
• Capacity of 3.5 liters to hold ample washer fluid
• Available in black and white housing colors
• Dimensions: 7.25 inches length, 6 inches width, 21 inches height
• Hose port diameter of 45 mm for standard hose connections
• Includes mounting bracket for installation support

Detailed Product Description

The Dorman 603-871 washer fluid reservoir is specifically designed to fit Chevrolet Silverado 2500, Silverado 2500 HD, Silverado 3500 HD, and GMC Sierra 2500 HD and 3500 HD trucks. Made from high-quality plastic, this reservoir resists corrosion and withstands the rigors of daily driving conditions. Its bracketed attachment type ensures a secure fit within the engine compartment, maintaining stability during vehicle operation.

With a working capacity of 3.5 liters, this reservoir provides sufficient fluid storage to keep your windshield washer system functioning effectively. The hose port diameter of 45 mm accommodates standard washer fluid hoses, although hoses and washer pumps are not included. Available in black and white, the reservoir can match your vehicle’s engine bay aesthetics.

Common Uses and Problem Resolution

• Replacement for cracked or leaking washer fluid reservoirs
• Restores proper washer fluid storage capacity
• Prevents washer fluid leaks that can cause engine bay damage
• Ensures consistent windshield cleaning performance
• Supports maintenance of washer system integrity on Chevrolet Silverado and GMC Sierra trucks

Installation Notes and Tips

This washer fluid reservoir features a bracketed attachment type and includes a mounting bracket for ease of installation. Note that hoses, mounting hardware, and washer pumps are not included and must be reused from the original assembly or purchased separately. Ensure the hose port diameter matches your existing hoses for proper connection. Follow vehicle-specific service manual instructions for safe and correct installation.

Quality Assurance

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-871 washer fluid reservoir undergoes quality checks to ensure durability and reliable performance. Please refer to Dorman’s warranty policy for specific coverage details.