Dorman 603-780 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Nissan Altima and Maxima

The Dorman 603-780 engine coolant reservoir is designed to provide a durable and clear solution for your Nissan Altima or Maxima cooling system. Made from sturdy plastic, this reservoir offers a precise fit and essential functionality to help maintain proper coolant levels.

• Material: Durable plastic construction
• Dimensions: 6 inches length, 5.95 inches height
• Color: Clear for easy coolant level monitoring
• Capacity: 750 ml to accommodate cooling system needs
• Includes: 1 coolant reservoir, 1 cap, and tubing
• Mounting: Single mounting hole, no brackets or hardware included
• Cap type: Included, non-pressurized design

Detailed Product Description

The Dorman 603-780 engine coolant reservoir is engineered specifically for Nissan Altima and Maxima models, ensuring compatibility and reliable performance. Its irregular shape is designed to fit precisely within the engine bay, optimizing space without compromising capacity. The clear plastic material allows for quick visual inspection of coolant levels, helping prevent overheating issues. This reservoir comes with a cap included, which is non-pressurized, and tubing to connect seamlessly with your vehicle’s cooling system. While mounting hardware and brackets are not included, the single mounting hole simplifies installation using existing vehicle components.

Common Applications and Problem Solving

• Replaces cracked or leaking coolant reservoirs
• Prevents coolant loss and overheating
• Restores proper coolant level monitoring
• Addresses coolant contamination from damaged tanks
• Eliminates coolant system pressure issues related to faulty reservoirs

Installation Notes and Tips

Installation of the Dorman 603-780 reservoir requires removal of the old tank and careful alignment with the single mounting hole. Since mounting hardware and brackets are not included, reuse existing components or source compatible fasteners. Ensure all tubing connections are secure to prevent leaks. The included cap should be installed firmly but avoid over-tightening. Always check coolant levels and system pressure after installation to confirm proper operation.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-780 engine coolant reservoir undergoes quality inspections to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in materials and workmanship. Refer to Dorman’s official warranty policy for complete information.