


Koyo 23+ Honda Civic Type R (FL5) All Aluminum Radiator
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Koyo 23+ Honda Civic Type R (FL5) All Aluminum RadiatorSKU: 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
Quick Dispatch:
Your Koyo 23+ Honda Civic Type R (FL5) All Aluminum Radiator orders ship within 1-2 business days.
Delivery Options:
- Standard: 3-7 business days
- Fast: 2-3 business days
- Express: 1-2 business days
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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Product Reviews
★★★★★ 5
Noticeable scent difference compared to factory standard
Smells clean for months. We are mainly gravel roads and these cabin filters do a great job
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Reviewed in the United States on April 3, 2026
★★★★★ 5
It fits perfectly.
Great replacement and a very good price.
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Reviewed in the United States on January 17, 2026
★★★★★ 5
Nice and a good price.
Fit our F250 Diesel well.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Great fitment
Nice fitment
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Reviewed in the United States on December 15, 2025
★★★★★ 2
F250 cabin filter change
Too thick. Air flow decreased significantly which is terrible in the AZ heat!
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Reviewed in the United States on July 27, 2025