Dorman 603-5105 Engine Coolant Reservoir - Front

Reliable Engine Coolant Reservoir for Vehicle Cooling Systems

The Dorman 603-5105 engine coolant reservoir is designed to maintain optimal coolant levels and support pressurized cooling systems. Featuring a clear plastic construction with a spring-loaded twist cap, this reservoir offers durability and easy monitoring of coolant levels for various vehicle applications.

• Material: Durable plastic reservoir with metal components
• Capacity: 5.8 liters to accommodate sufficient coolant volume
• Dimensions: 12 inches length and 18 inches height for proper fitment
• Pressurized design with a cap rated for 15 psi maximum pressure
• Includes mounting hardware and a spring-loaded twist cap for secure sealing
• Shape: Irregular with 3 mounting holes for stable installation
• Package includes 1 coolant reservoir, 1 hose, 1 reservoir cap, 2 clamps, and 1 hose adapter

Detailed Product Description

The Dorman 603-5105 engine coolant reservoir is engineered to support the cooling system by storing excess coolant and maintaining system pressure. Its clear plastic body allows for easy visual inspection of coolant levels, while the metal components add strength and durability. The spring-loaded twist cap is designed to maintain a pressurized environment up to 15 psi, which helps prevent coolant boiling and ensures efficient engine temperature regulation. The irregular shape and three mounting holes provide a secure fit in compatible vehicles, and the included hose, clamps, and adapter facilitate straightforward installation.

Common Applications and Problem Solving

• Replaces cracked or leaking coolant reservoirs to prevent coolant loss
• Restores proper pressure in the cooling system to avoid overheating
• Eliminates coolant contamination by providing a sealed reservoir cap
• Helps maintain consistent coolant levels to prevent engine damage
• Addresses issues with coolant reservoir mounting stability

Installation Notes and Tips

Ensure the vehicle is cool before beginning installation to avoid injury from hot coolant. Verify that the mounting holes align with the vehicle’s bracket points. Use the included clamps and hose adapter to secure connections tightly and prevent leaks. Check the spring-loaded twist cap for proper sealing after installation. It is recommended to inspect the entire cooling system for any additional wear or damage during replacement.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, ensuring reliable performance and durability. The 603-5105 engine coolant reservoir undergoes rigorous quality control to provide consistent fit and function. Please refer to Dorman’s warranty policy for specific coverage details.