SKU: HH083967 | UPC: 847839021437
Koyo 2023+ Honda Civic Type R (FL5) All Aluminum Radiator
This Koyo radiator bolts directly into the 2023-2025 Honda Civic Type R FL5 chassis as a complete aluminum upgrade over the factory unit. Its 42mm thick 2-row core delivers 28% more volume for better heat rejection during aggressive track sessions or spirited road driving. Expect reliable lower coolant temperatures to support peak engine output without overheating risks.
Key Features
- All Aluminum Construction: Resists corrosion fully while weighing less than OEM plastic-aluminum design for extended service life and consistent performance
- 42mm 2-Row Core: Provides 28% increased capacity over stock to handle extreme heat loads and maintain optimal temperatures
- Billet Aluminum End Tanks: CNC-machined with exact OEM mounting points for seamless installation and added structural integrity
- High Efficiency Fins: Tube-and-fin layout improves airflow through the core for faster thermal transfer and steady cooling
- TIG Welded Joints: Creates leak-free connections that withstand high-pressure operation and elevated temperatures
Product Notes
- Direct replacement requires no cutting or modifications
- Pair with high-flow fans for peak results in hot climates
- Packaged to prevent fin damage during transit
Installation Notes
- Professional installation recommended.
- Drain coolant before removal and reuse OEM shroud if compatible
- Bolts to factory mounts with included hardware
This Part Fits
| Year | Make | Model | Submodel |
|---|---|---|---|
| 2023-2025 | Honda | Civic Type R | FL5 |
Why Choose Koyo?
- Proven in motorsports with decades of cooling expertise
- Hand-built quality from Japan for performance reliability
- Engineered for exact OEM fit with enhanced thermal capacity
Frequently Asked Questions
- Q: Does this radiator fit 2023-2025 Honda Civic Type R FL5 models?
A: Yes it is a direct bolt-on replacement specifically designed for the FL5 chassis with matching inlet outlet positions and mounts - Q: Is the radiator made entirely of aluminum?
A: Yes 100% aluminum core tubes fins and end tanks resist corrosion and handle high heat better than stock - Q: What warranty coverage is provided?
A: Covered by Koyo manufacturer defect warranty contact seller for details and registration
Shipping & Handling
- Method: UPS or FedEx Ground
- Availability: In stock – ships same or next business day
- Packaging: Custom box 36 x 20 x 6 inches with foam protection
- Weight: 13.5 lbs product 18 lbs shipping
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