Dorman 603-291 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Ford F-Series Super Duty

The Dorman 603-291 engine coolant reservoir is designed to meet the cooling system needs of Ford F-250 Super Duty, F-350, and F-350 Super Duty trucks. Constructed from durable plastic, this reservoir ensures proper coolant storage and pressure management for your vehicle's engine.

• Material: High-quality plastic construction for durability
• Dimensions: 18 inches length and 15 inches height for precise fitment
• Color: Black and clear for easy coolant level monitoring
• Includes mounting brackets and one mounting hole for secure installation
• Pressurized reservoir with a cap rated up to 16 psi included
• Capacity: 5.5 liters to accommodate engine cooling requirements
• Package includes one reservoir and one cap

Detailed Description of Dorman 603-291 Engine Coolant Reservoir

This engine coolant reservoir from Dorman is engineered specifically for Ford F-250 Super Duty, F-350, and F-350 Super Duty models, providing a precise replacement for the original part. The irregular shape is designed to fit seamlessly within the engine bay, while the black and clear plastic allows for quick visual checks of coolant levels. The included pressurized cap, rated at 16 psi, helps maintain optimal system pressure, preventing overheating and coolant loss. Mounting brackets are included to ensure a secure and stable installation, although mounting hardware is not provided.

Common Applications and Problem Solving

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

Installation Notes and Tips

• Verify compatibility with Ford F-250 Super Duty, F-350, and F-350 Super Duty before installation
• Use existing mounting hardware or source appropriate fasteners as mounting hardware is not included
• Ensure the pressurized cap is securely tightened to maintain system pressure
• Inspect hoses and connections for wear or damage during installation
• Follow vehicle manufacturer guidelines for coolant system maintenance

Quality Assurance and Warranty Information

Dorman manufactures this engine coolant reservoir to meet or exceed OEM specifications for fit, form, and function. The part number 603-291 is backed by Dorman's quality standards, providing reliable performance for Ford F-250 Super Duty, F-350, and F-350 Super Duty trucks. Warranty details can be obtained directly from Dorman or authorized distributors.