{"product_id":"csf-3967-radiator","title":"CSF 3967 Radiator","description":"\u003ch2\u003eCSF 3967 Radiator for Mazda 3\u003c\/h2\u003e\u003cp\u003eThe CSF 3967 radiator is an OE-style cooling replacement built with an aluminum core and plastic tanks for the 2014-2018 Mazda 3 and Mazda 3 Sport built in Mexico. It is engineered to match the original down-flow layout and factory-style hose connections for direct-fit service.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eOE-style plastic tank and aluminum core construction\u003c\/li\u003e\n\u003cli\u003eDown-flow radiator design\u003c\/li\u003e\n\u003cli\u003eCore thickness: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eCore width: 29 1\/16 in.; core length: 14 3\/4 in.\u003c\/li\u003e\n\u003cli\u003eInlet diameter: 1 5\/16 in. left\u003c\/li\u003e\n\u003cli\u003eOutlet diameter: 1 5\/16 in. center\u003c\/li\u003e\n\u003cli\u003eSingle-row core design\u003c\/li\u003e\n\u003cli\u003eBuilt by CSF, a radiator manufacturer with ISO\/TSO-certified factories\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Overview\u003c\/h2\u003e\u003cp\u003eCSF Part Number 3967 is designed for drivers needing a direct replacement radiator for a Mazda 3 cooling system service. It follows the original equipment style with a plastic tank and aluminum core layout, helping maintain factory fitment and cooling-system geometry on Mexico-built 2014-2018 Mazda 3 and Mazda 3 Sport models. CSF has supplied radiators worldwide for decades and uses engineering and wind-tunnel validation methods to verify cooling performance during development. This part cross-references Bosch 13761 for the same application.\u003c\/p\u003e\u003ch2\u003eCommon Cooling Issues This Radiator Addresses\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCracked or leaking radiator tanks\u003c\/li\u003e\n\u003cli\u003eCorrosion or damage in the core\u003c\/li\u003e\n\u003cli\u003eRestricted coolant flow from an aging radiator\u003c\/li\u003e\n\u003cli\u003eOverheating caused by reduced heat transfer\u003c\/li\u003e\n\u003cli\u003eFitment problems from a damaged or incorrect replacement unit\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify vehicle build origin before ordering, since this radiator fits Mexico-built only applications. Confirm inlet and outlet orientation, hose diameter, and overall dimensions against the original unit before installation. Inspect hoses, clamps, and coolant condition during radiator replacement to help prevent repeat cooling-system issues.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCSF manufactures radiators to high-performance standards in ISO\/TSO-certified facilities and validates cooling performance during development. Part Number 3967 is built to OE-style specifications for consistent replacement on the listed Mazda 3 applications.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52918180413621,"sku":"BBMD-3967","price":183.73,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3967_Fro.jpg?v=1785566375","url":"https:\/\/www.partcatalog.com\/products\/csf-3967-radiator","provider":"PartCatalog","version":"1.0","type":"link"}