Dorman 603-427 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir for Toyota Corolla and Matrix

The Dorman 603-427 engine coolant reservoir is designed specifically for Toyota Corolla and Matrix models. This replacement reservoir is made from durable plastic and includes essential components to maintain your vehicle's cooling system.

• Material: High-quality plastic construction
• Color: Brown for OEM appearance
• Mounting brackets included for secure installation
• Cap type: Flip top with included cap
• Mounting holes: 5 for proper fitment
• Non-pressurized reservoir design
• Package includes 1 coolant reservoir, 1 cap, and fan shroud

Detailed Product Description

The Dorman 603-427 engine coolant reservoir is engineered to meet the specifications of Toyota Corolla and Matrix vehicles. Constructed from durable plastic, this brown reservoir is designed to resist corrosion and withstand the heat generated by the engine. The included mounting brackets and five mounting holes ensure a secure and precise fit, simplifying the replacement process. The flip-top cap allows for easy access when checking or refilling coolant, and the cap is included in the package for convenience. This reservoir is non-pressurized, matching the original equipment design for these Toyota models. Additionally, the package contains a fan shroud to support proper airflow and cooling system performance.

Compatible Vehicles and Common Applications

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

• Toyota Corolla
• Toyota Matrix

It is commonly used to address issues such as:

• Coolant leaks from a cracked or damaged reservoir
• Overheating caused by insufficient coolant levels
• Damaged or missing reservoir caps leading to coolant contamination
• Loose or broken mounting brackets causing reservoir instability
• Replacement of worn or discolored reservoirs affecting system integrity

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid injury
• Drain the coolant system partially to prevent spills during removal
• Use the included mounting brackets and align all five mounting holes for a secure fit
• Check the flip-top cap seal for proper closure after installation
• Refill the coolant to the recommended level and inspect for leaks

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-427 engine coolant reservoir undergoes rigorous quality control to ensure durability and reliability in Toyota Corolla and Matrix vehicles. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.