Dorman 603-888 Engine Coolant Reservoir

Reliable Engine Coolant Reservoir for Chrysler Vehicles

The Dorman 603-888 engine coolant reservoir is designed to maintain optimal coolant levels in your Chrysler Grand Caravan, Pacifica, or Voyager. Constructed from durable white plastic, this reservoir ensures consistent performance and longevity under normal operating conditions.

• Material: High-quality white plastic for durability and corrosion resistance
• Capacity: 3.6 liters working and maximum capacity
• Dimensions: Approximately 9 inches in length and 8 inches in height
• Shape: Irregular design tailored for specific vehicle fitment
• Mounting: Includes mounting brackets with two mounting holes for secure installation
• Cap Type: Twist cap with a maximum pressure rating of 21 psi
• Non-pressurized reservoir suitable for standard cooling systems
• Cap included for a complete replacement solution

Product Details and Specifications

The Dorman 603-888 engine coolant reservoir is engineered to meet the exact specifications required by Chrysler models such as the Grand Caravan, Pacifica, and Voyager. Its white plastic construction resists heat and chemical exposure, helping to prevent leaks and cracks over time. The irregular shape is designed to fit precisely within the engine bay, ensuring proper coolant flow and system efficiency. The included twist cap is rated for a maximum pressure of 21 psi, providing a secure seal to maintain coolant integrity without pressurizing the system.

Compatible Vehicles and Applications

This engine coolant reservoir is compatible with the following Chrysler models:

• Chrysler Grand Caravan
• Chrysler Pacifica
• Chrysler Voyager

It is ideal for replacing worn or damaged coolant reservoirs that may cause coolant leaks, overheating, or coolant level sensor malfunctions.

Common Issues Addressed by This Reservoir

• Coolant leaks due to cracked or brittle reservoir tanks
• Inaccurate coolant level readings from damaged reservoirs
• Overheating caused by insufficient coolant capacity
• Loose or faulty reservoir caps leading to coolant loss
• Improper fitment causing coolant system inefficiency

Installation Notes and Tips

When installing the Dorman 603-888 engine coolant reservoir, ensure the vehicle is cool to avoid injury from hot coolant. The reservoir includes mounting brackets and two mounting holes for secure attachment. Use the original mounting points on your Chrysler Grand Caravan, Pacifica, or Voyager for proper alignment. Replace the twist cap securely to maintain the correct pressure rating. Check for leaks after installation and refill the coolant to the recommended level.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-888 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability. While specific warranty details are not provided, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.