Dorman 603-359 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir 603-359

The Dorman 603-359 engine coolant reservoir is designed specifically for Ford Flex and Lincoln MKT models. This clear plastic coolant reservoir includes a spring loaded twist cap and mounting brackets, ensuring a secure fit and reliable performance in your vehicle's cooling system.

• Material: Durable clear plastic for easy fluid level monitoring
• Dimensions: Length 221.7 mm, Height 251.9 mm
• Includes mounting brackets and two mounting holes for secure installation
• Pressurized reservoir with a spring loaded twist cap rated for 16 psi maximum pressure
• Cap included with the reservoir for a complete replacement

Detailed Product Description

The Dorman 603-359 engine coolant reservoir is engineered to meet the specifications required for Ford Flex and Lincoln MKT vehicles. Constructed from clear plastic, it allows for quick visual inspection of coolant levels without removing the cap. The reservoir is pressurized and comes with a spring loaded twist cap rated to withstand up to 16 psi, maintaining proper system pressure and preventing coolant loss. Two mounting holes and included brackets facilitate a secure and stable installation, ensuring the reservoir remains firmly in place during vehicle operation.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs
• Solves coolant overflow or underfill issues caused by damaged tanks
• Prevents engine overheating by maintaining proper coolant levels
• Addresses pressure loss in the cooling system due to faulty caps
• Restores proper coolant containment and system integrity

Installation Notes and Tips

When installing the Dorman 603-359 coolant reservoir, ensure the mounting brackets align with the factory mounting points on Ford Flex or Lincoln MKT models. Use the two mounting holes provided for secure attachment. Verify the spring loaded twist cap is properly seated to maintain system pressure. It is recommended to drain the cooling system partially before removal to avoid spills and to refill with the appropriate coolant after installation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-359 engine coolant reservoir undergoes quality checks to ensure durability and reliability. This part includes a cap and mounting brackets for a complete replacement solution. Warranty coverage details can be obtained from the product documentation or manufacturer.