Dorman 603-839 Engine Coolant Reservoir

Reliable Engine Coolant Reservoir for Ram 2500 and 3500

The Dorman 603-839 engine coolant reservoir is designed to maintain optimal coolant levels and support your Ram 2500 or 3500's cooling system. Constructed from durable plastic with a clear finish, this reservoir allows for easy monitoring of coolant levels while ensuring reliable performance under pressure.

Key Features of the Dorman 603-839 Coolant Reservoir

• Material: Durable plastic construction for long-lasting use
• Dimensions: 16 inches in length and 9.5 inches in height
• Color: Clear for easy coolant level visibility
• Shape: Irregular design tailored for specific engine bay fitment
• Mounting: Includes mounting brackets and three mounting holes for secure installation
• Cap: Twist-type cap included with a maximum pressure rating of 21 psi
• Pressurized reservoir designed to maintain system pressure
• Includes level sensor for accurate coolant monitoring
• Capacity: Holds up to 1 liter of coolant
• Package includes one coolant reservoir and one cap

Detailed Description

The Dorman 603-839 engine coolant reservoir is engineered specifically for Ram 2500 and 3500 models, providing a precise fit and reliable function. Its clear plastic construction allows for quick visual checks of coolant levels without removing the cap. The included twist cap is rated for a maximum pressure of 21 psi, supporting the pressurized cooling system to prevent overheating and maintain engine efficiency. The irregular shape and three mounting holes, along with included mounting brackets, ensure a secure and stable installation within the engine compartment. Additionally, the integrated level sensor helps monitor coolant levels accurately, reducing the risk of engine damage due to low coolant.

Common Applications and Problem Solving

• Replacement for cracked or leaking coolant reservoirs in Ram 2500 and 3500 trucks
• Solves coolant overflow or underfill issues caused by faulty or damaged reservoirs
• Addresses inaccurate coolant level readings by providing a reservoir with an integrated level sensor
• Maintains proper system pressure to prevent engine overheating
• Restores cooling system integrity after damage from road debris or wear

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. The Dorman 603-839 reservoir mounts using three mounting holes and included brackets; verify alignment with existing mounting points on your Ram 2500 or 3500. The twist cap should be securely tightened to maintain system pressure. Check for any leaks after installation and refill the reservoir with the appropriate coolant type recommended for your vehicle. The included level sensor should be connected according to the vehicle’s wiring specifications to ensure accurate coolant monitoring.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-839 engine coolant reservoir undergoes rigorous quality control to ensure durability and performance in demanding conditions. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Consult product documentation or the supplier for exact warranty terms.