{"product_id":"csf-3951-radiator","title":"CSF 3951 Radiator","description":"\u003ch2\u003eCSF 3951 Radiator for Honda and Acura\u003c\/h2\u003e\u003cp\u003eCSF 3951 is an OE-style radiator built with an aluminum core and plastic tanks for direct replacement service on select Honda and Acura applications. It features an upgraded heavy-duty core that is 7% thicker than the OEM 27 mm design, with fitment for the 2022-2025 Honda Civic, 2023-2025 Honda Accord, and 2023-2025 Acura Integra.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eAluminum core with plastic tank construction\u003c\/li\u003e\n\u003cli\u003eDown-flow radiator design\u003c\/li\u003e\n\u003cli\u003e1-row core layout\u003c\/li\u003e\n\u003cli\u003eCore thickness: 1 3\/16 in.\u003c\/li\u003e\n\u003cli\u003eCore width: 29 11\/16 in.\u003c\/li\u003e\n\u003cli\u003eCore length: 15 3\/4 in.\u003c\/li\u003e\n\u003cli\u003eInlet and outlet diameter: 1 1\/4 in. left\u003c\/li\u003e\n\u003cli\u003eUpgraded heavy-duty core, 30 mm vs. OEM 27 mm\u003c\/li\u003e\n\u003cli\u003eWind tunnel tested for cooling performance validation\u003c\/li\u003e\n\u003cli\u003eManufactured by CSF, an ISO\/TSO certified supplier with broad OE-style radiator coverage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eCSF part number 3951 is engineered as a direct-fit radiator for late-model Honda and Acura vehicles, including the Honda Civic, Honda Accord, and Acura Integra. The radiator uses an aluminum core paired with plastic tanks in an OE-style configuration, while the thicker 30 mm heavy-duty core adds capacity over the factory 27 mm design. With a down-flow layout, single-row core, and left-side 1 1\/4 in. inlet and outlet connections, this radiator is built around the dimensions and connection points needed for proper replacement fitment.\u003c\/p\u003e\u003cp\u003eCSF manufactures a wide range of radiators for leading vehicle brands and validates cooling performance through laboratory wind tunnel testing. Part number 3951 is a practical choice when replacing a worn or leaking radiator on a 2022-2025 Honda Civic, 2023-2025 Honda Accord, or 2023-2025 Acura Integra. This part cross-references TechPro HO3010256 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Problems This Radiator Can Address\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks from a damaged or corroded radiator\u003c\/li\u003e\n\u003cli\u003eOverheating caused by reduced heat transfer efficiency\u003c\/li\u003e\n\u003cli\u003eCracked plastic tank failure on aging factory units\u003c\/li\u003e\n\u003cli\u003eRestricted cooling performance from a weakened core\u003c\/li\u003e\n\u003cli\u003eReplacement needs after impact or front-end damage\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify radiator dimensions, inlet and outlet orientation, and vehicle application before installation. This radiator does not include a radiator cap. Transfer or replace related cooling system components as needed, and refill the system with the correct coolant specification for the vehicle. After installation, bleed air from the cooling system and confirm there are no leaks.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCSF is an ISO\/TSO certified manufacturer with more than 50 years of radiator production experience and a large global catalog of OE-style cooling components. The brand states that its radiators are engineered for performance validation and built to consistent manufacturing standards.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2023-2025 Acura Integra, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2023-2025 Honda Accord, N\/A\u003c\/li\u003e\n\u003cli\u003eFits 2022-2025 Honda Civic, N\/A\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52431273754805,"sku":"BBMD-3951","price":189.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3951_Fro.jpg?v=1777849799","url":"https:\/\/www.partcatalog.com\/products\/csf-3951-radiator","provider":"PartCatalog","version":"1.0","type":"link"}