{"product_id":"csf-3963-radiator","title":"CSF 3963 Radiator","description":"\u003ch2\u003eCSF 3963 Radiator for Honda CR-V\u003c\/h2\u003e\u003cp\u003eThe CSF 3963 is an OE-style radiator built with an aluminum core and plastic tanks for the 2023-2026 Honda CR-V. It features an upgraded heavy-duty core that is 11% thicker than the OEM 27mm design, helping support cooling performance in a direct-fit replacement format.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eFits 2023-2026 Honda CR-V, N\/A\u003c\/li\u003e\n\u003cli\u003eOE-style plastic tank and aluminum core construction\u003c\/li\u003e\n\u003cli\u003eUpgraded heavy-duty core: 30mm thickness versus OEM 27mm\u003c\/li\u003e\n\u003cli\u003eDown-flow radiator design\u003c\/li\u003e\n\u003cli\u003eSingle-row core layout\u003c\/li\u003e\n\u003cli\u003eInlet and outlet diameter: 1 1\/4 in. left\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 29 11\/16 in. wide x 16 3\/4 in. long x 1 3\/16 in. thick\u003c\/li\u003e\n\u003cli\u003eCSF part number 3963\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eProduct Details\u003c\/h2\u003e\u003cp\u003eCSF part number 3963 is engineered for the 2023-2026 Honda CR-V and built to match the OE-style radiator layout with plastic tanks and an aluminum core. CSF manufactures radiators to high-performance standards and validates cooling performance through laboratory wind-tunnel testing. This radiator uses a thicker 30mm heavy-duty core, which is 11% thicker than the OEM 27mm specification, while maintaining the factory-style down-flow configuration.\u003c\/p\u003e\u003cp\u003eThis part cross-references BBB Industries 13946 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Cooling Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or leaking radiator tanks\u003c\/li\u003e\n\u003cli\u003eRestricted coolant flow from an aging core\u003c\/li\u003e\n\u003cli\u003eCooling system wear on high-mileage Honda CR-V models\u003c\/li\u003e\n\u003cli\u003eReplacement needs after corrosion or physical damage\u003c\/li\u003e\n\u003cli\u003eRestoring factory-style cooling system fitment\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify inlet and outlet orientation before installation, as this radiator uses left-side 1 1\/4 in. connections. Confirm all hose, mount, and fan-shroud interfaces against the original unit before final assembly. Radiator cap is not supplied.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCSF radiators are manufactured in ISO\/TSO-certified facilities and are engineered for cooling performance validation. The brand has supplied radiators worldwide for more than 50 years and has produced over 30 million units across more than 10,000 models.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52431274705077,"sku":"BBMD-3963","price":197.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3963_Fro.jpg?v=1777849868","url":"https:\/\/www.partcatalog.com\/products\/csf-3963-radiator","provider":"PartCatalog","version":"1.0","type":"link"}