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OKUYAMA / CARBING Radiator Reservoir Tank – Honda Civic Type R (FL5)
The OKUYAMA / CARBING Radiator Reservoir Tank is a premium cooling upgrade designed specifically for the Honda Civic Type R (FL5). Engineered in Japan, this aluminium tank replaces the factory plastic unit, which is prone to fatigue and failure over time under high-pressure track conditions.
By utilising a high-quality aluminium construction, this reservoir tank offers superior durability and heat resistance. The internal design helps to separate air from the coolant more effectively, ensuring your K20C1 engine maintains optimal operating temperatures during spirited driving or extended circuit sessions.
Key Features
- Durable Aluminium Construction: Replaces the OEM plastic tank with a robust, corrosion-resistant aluminium unit that withstands higher temperatures and pressures.
- Improved Cooling Efficiency: Helps eliminate air bubbles within the cooling system, ensuring consistent coolant flow and better heat dissipation.
- Precision Japanese Engineering: Designed and manufactured by Okuyama/Carbing to ensure a perfect bolt-on fitment using factory mounting points.
- Engine Bay Aesthetics: Provides a professional, motorsport-inspired look to the FL5 engine bay with a high-quality finished surface.
- Direct Replacement: Engineered as a straightforward install, making it an essential upgrade for track-focused vehicles.
Specifications
- Material: High-grade Aluminium
- Finish: Polished / Raw Aluminium
- Compatibility: Honda Civic Type R (FL5)
- Origin: Made in Japan
What’s Included
- 1 x OKUYAMA / CARBING Radiator Reservoir Tank
- All necessary mounting hardware and brackets
No instructions available for this product.

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