Dorman 603-215 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Ford Escape and Mercury Mariner

The Dorman 603-215 engine coolant reservoir is designed to maintain optimal coolant levels and pressure in your Ford Escape or Mercury Mariner. Constructed from durable plastic with a clear finish, this reservoir allows for easy fluid level monitoring and reliable performance under pressurized conditions.

• Made from durable plastic material for long-lasting use
• Clear color for easy coolant level visibility
• Includes one coolant reservoir and one spring loaded twist cap
• Cap is pressurized with a maximum pressure rating of 17 psi
• Equipped with three mounting holes and included mounting brackets for secure installation
• Compatible with Ford Escape and Mercury Mariner models
• Part number 603-215 ensures exact fit and function

Detailed Product Description

The Dorman 603-215 engine coolant reservoir is engineered to meet the specifications of Ford Escape and Mercury Mariner vehicles. Its plastic construction offers resistance to corrosion and heat, while the clear design provides a straightforward way to check coolant levels without removing the cap. The included spring loaded twist cap is designed to maintain system pressure up to 17 psi, which helps prevent coolant loss and overheating. With three mounting holes and brackets included, installation is secure and stable, ensuring the reservoir stays in place during vehicle operation.

Common Applications and Problem Solving

• Replaces cracked or leaking coolant reservoirs
• Restores proper coolant pressure to prevent engine overheating
• Eliminates coolant contamination caused by damaged or missing caps
• Resolves coolant level monitoring issues due to opaque or damaged reservoirs
• Prevents coolant loss from faulty or missing mounting hardware

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. Remove the old reservoir and cap carefully, draining any remaining coolant into a suitable container. Use the included mounting brackets and three mounting holes to secure the new reservoir firmly. Verify the spring loaded twist cap is properly seated to maintain system pressure. After installation, refill the coolant to the recommended level and check for leaks during engine operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-215 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability. This product includes a cap and mounting brackets for a complete replacement solution. Please refer to Dorman's warranty policy for specific coverage details.