Dorman 603-275 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Ford and Lincoln Vehicles

The Dorman 603-275 engine coolant reservoir is designed to provide a durable and efficient solution for your vehicle's cooling system. Compatible with Ford Expedition, F-150, Lincoln Mark LT, and Navigator models, this reservoir ensures proper coolant storage and circulation.

• Constructed from durable plastic material for long-lasting performance
• Measures 18.5 inches in length and 13.5 inches in height
• Features a clear and black color combination for easy coolant level monitoring
• Includes a threaded cap rated for a maximum pressure of 16 psi
• Comes with mounting brackets and two mounting holes for secure installation
• 3-liter coolant capacity suitable for specified vehicle models
• Package includes 1 reservoir, 1 air filter tray, and 1 hose for comprehensive replacement

Product Details and Specifications

The Dorman 603-275 engine coolant reservoir is engineered with an irregular shape to fit precisely within the engine bay of select Ford and Lincoln vehicles. Its plastic construction balances strength and weight, while the clear section allows for quick visual checks of coolant levels. The included threaded cap maintains system pressure up to 16 psi, helping to prevent coolant loss and overheating. Mounting brackets and two mounting holes facilitate a secure and stable fit without the need for additional hardware.

Compatible Vehicles and Applications

This engine coolant reservoir is compatible with the following vehicles:

• Ford Expedition
• Ford F-150
• Lincoln Mark LT
• Lincoln Navigator

It is designed to replace worn or damaged reservoirs in these models, ensuring proper coolant containment and system performance.

Common Issues Addressed by This Reservoir

• Coolant leaks due to cracked or damaged reservoirs
• Overheating caused by insufficient coolant storage
• Pressure loss in the cooling system from faulty caps
• Difficulty monitoring coolant levels with opaque or discolored tanks
• Improper fitment leading to mounting instability

Installation Notes and Tips

Installation of the Dorman 603-275 reservoir requires removal of the old reservoir and proper alignment with the existing mounting points. The included mounting brackets and two mounting holes simplify the process. Ensure the threaded cap is securely tightened to maintain system pressure. It is recommended to inspect hoses and clamps during installation and replace if necessary to prevent leaks.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable performance and durability. The 603-275 engine coolant reservoir includes a threaded cap rated for 16 psi to maintain system integrity. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship.