Dorman 603-305 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir 603-305

The Dorman 603-305 engine coolant reservoir is designed specifically for Jeep Cherokee and Comanche models. Constructed from durable plastic, this coolant reservoir ensures reliable performance and proper coolant storage for your vehicle's cooling system.

• Material: High-quality plastic construction for durability
• Dimensions: Length 197.5 mm, Height 318.7 mm
• Color: White for easy fluid level visibility
• Includes mounting brackets and one mounting hole for secure installation
• Cap type: Flip top cap included for convenient access
• Non-pressurized reservoir designed for proper coolant expansion
• Package includes one coolant reservoir and one cap

Detailed Product Description

The Dorman 603-305 engine coolant reservoir is engineered to meet the specifications of Jeep Cherokee and Comanche vehicles. Its plastic construction offers resistance to corrosion and heat, ensuring long-lasting service. The reservoir measures 197.5 mm in length and 318.7 mm in height, fitting precisely within the engine bay. The white color allows for quick visual checks of coolant levels without removing the cap. This reservoir comes with mounting brackets and a single mounting hole, facilitating a secure and stable installation. The included flip top cap is designed for easy access during coolant refills and maintenance. As a non-pressurized component, it supports the cooling system by providing a safe expansion area for engine coolant.

Compatible Vehicles and Applications

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

• Jeep Cherokee
• Jeep Comanche

Use the Dorman 603-305 reservoir to address common cooling system issues such as:

• Coolant leaks due to cracked or damaged reservoirs
• Overheating caused by insufficient coolant storage
• Coolant contamination from deteriorated reservoir materials
• Loose or missing mounting brackets leading to reservoir movement
• Difficulty accessing coolant fill points without a proper cap

Installation Notes and Tips

Before installation, ensure the engine is cool to prevent injury from hot coolant. Remove the old reservoir carefully, noting the location of mounting points and hose connections. The Dorman 603-305 includes mounting brackets and one mounting hole for straightforward replacement. Verify that the flip top cap is securely fastened after installation to prevent coolant spillage. Check for leaks after installation by running the engine and monitoring coolant levels.

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards, providing reliable fit and function. The 603-305 engine coolant reservoir undergoes quality inspections to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Refer to the product documentation for exact warranty terms.