Dorman 603-5247 Heavy Duty Pressurized Coolant Reservoir

The Dorman 603-5247 is a heavy-duty pressurized engine coolant reservoir engineered as a direct OE replacement for International heavy-duty truck applications. Designed to handle the demanding conditions of commercial vehicle engine bays, this coolant reservoir — also referred to as a coolant recovery tank, degas bottle, or expansion tank — restores proper cooling system pressurization and coolant level management.

Key Features:

• Direct OE Replacement: Precisely engineered to match the fit and function of the original factory reservoir for a seamless, no-modification installation
• Heavy-Duty Construction: Manufactured from quality materials formulated to withstand the extreme underhood heat, pressure cycles, and engine vibration common in commercial truck applications
• Pressurized System Design: Built to maintain proper cooling system pressure, helping prevent coolant loss and overheating
• Trusted Brand: Backed by Dorman's extensive history in the automotive and heavy-duty aftermarket, providing reliable OE-quality replacement parts

This Dorman HD Solutions coolant reservoir is the dependable choice for restoring cooling system integrity on International heavy-duty trucks. Sold as one reservoir per package.