Dorman 603-278 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir 603-278

The Dorman 603-278 engine coolant reservoir is designed for reliable cooling system performance in select Ford vehicles. This clear plastic reservoir is compatible with Ford Escape, Focus, and Transit Connect models, providing a pressurized 2-liter capacity to maintain optimal engine temperature.

• Material: Durable clear plastic construction
• Capacity: 2 liters for efficient coolant storage
• Pressurized design with included cap rated up to 21 psi
• Dimensions: 11.25 inches length and 6 inches height
• Includes mounting brackets and a cap for secure installation
• Shape: Irregular to fit specific engine compartments

Detailed Product Description

The Dorman 603-278 engine coolant reservoir is engineered to meet the cooling system requirements of Ford Escape, Focus, and Transit Connect vehicles. Made from clear plastic, it allows for easy visual inspection of coolant levels. The reservoir features a pressurized cap with a maximum pressure rating of 21 psi, ensuring the cooling system maintains proper pressure to prevent overheating. Its irregular shape and included mounting brackets facilitate a precise fit within the engine bay, while the absence of mounting holes means installation relies on the brackets provided. The 2-liter capacity supports adequate coolant volume for effective heat dissipation.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs
• Restores proper coolant level monitoring and containment
• Prevents engine overheating due to coolant loss
• Maintains system pressure with included pressurized cap
• Addresses coolant reservoir damage from wear or impact

Installation Notes and Tips

• Compatible with Ford Escape, Focus, and Transit Connect models
• Mounting brackets included; no additional mounting hardware required
• Ensure old reservoir is fully drained before removal
• Check cap seal integrity during installation for proper pressurization
• Follow vehicle-specific service manual for coolant system bleeding after installation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-278 engine coolant reservoir undergoes quality checks to ensure durability and performance. While specific warranty details vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.