Radium Engineering Coolant Tank Kit - Honda Civic Type R (2017+)

The Radium Engineering Coolant Tank Kit is a direct-fit upgrade for the 2017+ Honda Civic Type R (FK8 and FL5). It replaces the failure-prone factory plastic coolant tank with a durable, precision-built Radium tank for a clean, reliable engine-bay upgrade.

• Direct replacement for the OEM plastic coolant tank
• Easy bolt-in installation using factory mounting points
• Includes all required mounting hardware

This part fits:

Specifications

Shipping

• In-stock orders placed before 3 PM EST ship the same day — everything else ships within 24 hours.
• Standard, expedited, and overnight options at checkout.
• Oversized items ship by freight and take longer.
• Backordered items ship as soon as stock lands — contact us for lead times.
• International orders: prices do not include VAT, duties, or import fees. Your country charges these at import and they are the buyer’s responsibility.

Returns

• 30-day returns on new, uninstalled items in original packaging with all hardware.
• Standard returns: 8% restocking fee, buyer pays return shipping. Both waived if the item is defective or we made the error.
• Installed or used parts can’t be returned — confirm fitment before you install.
• Special orders and custom items are final sale.
• Email us for return authorization before shipping anything back.

Full details: Shipping Policy · Refund Policy