Dorman 603-231 Engine Coolant Reservoir - Front

Overview of Dorman Engine Coolant Reservoir for Honda Civic

The Dorman 603-231 engine coolant reservoir is designed specifically for Honda Civic and Civic del Sol models. Made from durable plastic, this white coolant reservoir includes a cap and offers a capacity of 400 ml to help maintain proper engine cooling system function.

• Material: Durable plastic construction
• Color: White
• Capacity: 400 ml
• Includes cap for secure sealing
• Non-pressurized design
• Compatible with Honda Civic and Civic del Sol
• Dimensions: Length 5.673 inches, Height 8.703 inches
• Irregular shape tailored for specific engine bay fitment

Detailed Product Description

The Dorman 603-231 engine coolant reservoir is engineered to meet the specifications required for Honda Civic and Civic del Sol vehicles. Constructed from high-quality plastic, this reservoir is designed to withstand typical engine bay conditions without cracking or leaking. Its white color allows for easy coolant level inspection, while the included cap ensures a secure seal to prevent coolant loss. The reservoir has a capacity of 400 ml, suitable for maintaining the proper coolant volume in the system. Its irregular shape and precise dimensions (5.673 inches in length and 8.703 inches in height) ensure a proper fit without the need for additional mounting hardware or brackets, which are not included.

Common Applications and Problem Resolution

• Replacement for cracked or leaking coolant reservoirs in Honda Civic and Civic del Sol
• Helps prevent engine overheating by maintaining coolant levels
• Addresses coolant contamination issues caused by damaged reservoirs
• Restores proper coolant system pressure with included cap
• Eliminates coolant loss due to faulty or missing reservoir caps

Installation Notes and Tips

Installation of the Dorman 603-231 engine coolant reservoir is straightforward for vehicles compatible with this part number. Since mounting hardware and brackets are not included, reuse existing components from the original reservoir. Ensure the engine is cool before removal to avoid injury from hot coolant. Carefully disconnect hoses and remove the old reservoir, then install the new reservoir in the same position, securing it with the original mounting points. Confirm the cap is properly tightened to maintain system integrity. After installation, check coolant levels and top off as necessary.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 603-231 engine coolant reservoir undergoes quality inspections to ensure durability and reliability in service. 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.