Dorman 603-5144 Heavy Duty Pressurized Engine Coolant Reservoir

The Dorman 603-5144 is a heavy-duty pressurized engine coolant reservoir designed as a direct replacement for select International truck models. This aftermarket reservoir is engineered to restore proper cooling system function and maintain optimal engine operating temperatures.

Key Features:

• Constructed from durable, heat-resistant materials to withstand extreme under-hood temperatures
• Engineered to handle engine vibrations and thermal cycling without cracking or leaking
• Pressurized design maintains proper cooling system pressure for efficient operation
• Direct-fit replacement designed to match original equipment specifications for fit and function
• Quality-tested to ensure reliable performance and long service life

This coolant reservoir provides a cost-effective solution for replacing damaged, cracked, or leaking original equipment reservoirs on International commercial vehicles. Dorman's rigorous quality standards ensure this replacement part meets the demands of heavy-duty applications.