Dorman 603-424 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir for Toyota 4Runner and Pickup

The Dorman 603-424 engine coolant reservoir is designed specifically for Toyota 4Runner and Pickup models. Constructed from durable white plastic, this reservoir includes a flip-top cap and mounting brackets to ensure a secure fit and reliable performance.

• Material: Durable white plastic construction
• Includes mounting brackets and flip-top cap
• Two mounting holes for secure installation
• Non-pressurized reservoir design
• Compatible with Toyota 4Runner and Pickup vehicles
• Part number: 603-424

Detailed Product Description

This engine coolant reservoir by Dorman is engineered to meet the specifications of Toyota 4Runner and Pickup models. The plastic construction offers resistance to corrosion and heat, while the included flip-top cap allows for easy access during coolant checks and refills. The reservoir is non-pressurized, which aligns with the original equipment design for these vehicles. With two mounting holes and included brackets, installation is straightforward and ensures a stable fit within the engine bay.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs
• Addresses coolant overflow and loss issues
• Prevents engine overheating caused by coolant loss
• Restores proper coolant level monitoring
• Eliminates coolant contamination from damaged reservoirs

Installation Notes and Tips

Before installation, ensure the engine is cool to avoid injury from hot coolant. Drain the existing coolant reservoir and disconnect any hoses carefully. Use the included mounting brackets and two mounting holes to secure the new reservoir firmly. Verify that the flip-top cap is properly seated to prevent leaks. After installation, refill the coolant system and check for leaks during engine operation.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit and function. The 603-424 engine coolant reservoir undergoes quality checks to ensure durability and reliability. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship.