Dorman HD Solutions Heavy Duty Pressurized Coolant Reservoir for 2007-2015 Freightliner 603-5201

Heavy duty pressurized coolant reservoir for 2007 to 2015 Freightliner trucks designed to replace cracked or leaking factory tanks.

Built to meet the manufacturer's design intent for reliable service, this unit is constructed from quality materials capable of withstanding underhood heat and engine vibration while maintaining proper system pressure.

Key Features

• Direct replacement for original equipment coolant reservoir
• Constructed from durable materials to resist heat and vibration
• Engineered to match OE form, fit, and function
• Pressurized design maintains optimal cooling system performance
• Validated through testing for long-term reliability

Benefits

• Restores proper coolant capacity and system pressure
• Prevents overheating caused by reservoir leaks or cracks
• Reduces risk of repeat repairs with robust construction
• Ensures smoother installation with direct-fit engineering
• Extends cooling system life with dependable materials

Application

Ideal for fleet managers and owner-operators needing a trustworthy fix for failing coolant tanks on heavy duty Freightliner models.

Fitment Notes

• Compatible with select 2007-2015 Freightliner models
• Replaces Freightliner part numbers 0523045000, 0520529000, and 0523045001

Why Choose Dorman - HD Solutions?

• Backed by over 100 years of automotive aftermarket experience
• Focus on fit, durability, and dependable performance
• Engineered as direct-fit replacements to ensure reliable results

What's in the Box

• 1 Coolant Reservoir

Item Dimensions

• 21.5in x 12.4in x 13.9in, 8.1lbs