Dorman HD Solutions Heavy Duty Windshield Washer Fluid Reservoir for 1989-2007 Peterbilt 357 375 377 379 603-5404

Heavy duty windshield washer fluid reservoir for 1989 to 2007 Peterbilt 357 375 377 and 379 trucks designed to replace cracked or leaking original equipment tanks.

Built to meet the manufacturer design intent for reliable service this unit is engineered to withstand underhood heat and engine vibration common in heavy duty applications. Trustworthy quality is backed by a team of product experts in the United States and over a century of automotive experience.

Key Features

• Direct replacement for original equipment reservoir on specified Peterbilt models
• Constructed to resist stress from underhood heat and constant engine vibration
• Matches OE form fit and function for a straightforward installation
• Validated through testing to ensure durable performance in heavy duty environments
• Replaces Paccar part number R866001 and Automann part number 575.1021

Benefits

• Restores full windshield washing capability to maintain clear visibility while driving
• Eliminates leaks caused by cracked or degraded factory plastic tanks
• Reduces the risk of repeat repairs with materials built for long term durability
• Ensures proper fitment without the need for modifications or adapters
• Provides a cost effective solution compared to dealer only parts
• Helps keep your commercial vehicle compliant and road ready

Application

Ideal for fleet managers and owner operators of Peterbilt 357 375 377 and 379 trucks requiring a dependable fix for broken or missing washer fluid tanks. This part is essential for maintaining safety standards and operational efficiency in daily heavy duty use.

Fitment Notes

• Fits Peterbilt 357 model years 1989 to 2007
• Fits Peterbilt 375 model years 1989 to 1999
• Fits Peterbilt 377 model years 1989 to 2007
• Fits Peterbilt 379 model years 1989 to 2007
• Verify vehicle compatibility using part number 603-5404 before purchase

Why Choose Dorman - HD Solutions?

• Dorman aftermarket replacement parts restore vehicles with confidence through a strong focus on fit durability and dependable performance
• Parts are engineered as direct fit replacements to match OE specifications for smoother installation
• Built with quality materials and validated through rigorous testing to stand up to daily driving demands
• Delivers proven aftermarket solutions that help reduce the risk of repeat repairs

What's in the Box

• 1 PC Windshield Washer Fluid Reservoir

Item Dimensions

• Length: 10.0 inches
• Width: 7.1 inches
• Height: 11.1 inches
• Weight: 2.2 lbs