Dorman 603-440 Engine Coolant Reservoir - Front

Overview of the Dorman 603-440 Engine Coolant Reservoir

The Dorman 603-440 engine coolant reservoir is designed specifically for Toyota Tundra models, providing a reliable replacement for your vehicle's cooling system. Constructed from durable plastic, this reservoir ensures proper coolant storage and circulation to maintain optimal engine temperature.

• Material: High-quality plastic construction for durability
• Color: Black and white for easy fluid level visibility
• Mounting hardware: Includes mounting brackets but no additional hardware
• Mounting holes: Equipped with 2 mounting holes for secure installation
• Cap type: Flip top cap included for convenient access
• Pressurized: Non-pressurized design compatible with factory cooling systems
• Package contents: Includes 1 coolant reservoir, 1 cap, and a fan shroud

Detailed Product Description

The Dorman 603-440 engine coolant reservoir is engineered to meet the specifications of Toyota Tundra vehicles, ensuring a precise fit and reliable performance. Its plastic construction offers resistance to corrosion and heat, while the black and white color scheme allows for quick visual checks of coolant levels. The included flip top cap facilitates easy refilling and maintenance without the need to remove the entire reservoir. With two mounting holes and included mounting brackets, installation is straightforward, although mounting hardware is not provided. This reservoir is designed as a non-pressurized component, matching the original equipment setup for proper coolant system function.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs in Toyota Tundra models
• Addresses coolant overflow or loss due to damaged or worn reservoirs
• Helps prevent engine overheating by maintaining proper coolant levels
• Resolves issues related to faulty or missing reservoir caps
• Supports cooling system integrity after fan shroud or reservoir damage

Installation Notes and Tips

When installing the Dorman 603-440 engine coolant reservoir on your Toyota Tundra, ensure the mounting brackets are securely fastened using appropriate hardware (not included). Verify that the flip top cap is properly seated to prevent coolant leaks. It is recommended to inspect the surrounding cooling system components, such as hoses and clamps, during installation to ensure overall system reliability. Always allow the engine to cool before removing the old reservoir to avoid injury.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing dependable performance for your Toyota Tundra. The 603-440 engine coolant reservoir undergoes rigorous quality control to ensure durability and fitment accuracy. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the manufacturer for exact warranty terms.