Restore proper cooling system function with this high-quality Radiator Overflow Bottle, designed specifically for the Honda Civic Sedan 1.8 models from 2006 to 2011.

This coolant expansion tank plays an important role in maintaining correct radiator pressure and managing coolant overflow during engine operation. It collects excess coolant when the engine heats up and returns it to the system as it cools down. A cracked or leaking overflow bottle can lead to coolant loss, overheating, and engine damage—this replacement helps ensure a sealed and efficient cooling system.

Manufactured from durable, heat-resistant plastic, this unit is built to withstand engine bay temperatures and long-term use, ensuring reliable performance under all driving conditions.

Key Features:

Radiator overflow / expansion tank
Maintains proper coolant level and pressure
Prevents coolant loss and overheating
Durable heat-resistant plastic construction
Ensures efficient cooling system operation
Direct-fit replacement for easy installation

Vehicle Compatibility:

Honda Civic Sedan 1.8 (2006–2011)

For best results, always confirm fitment before installation.