{"product_id":"csf-3837-radiator","title":"CSF 3837 Radiator","description":"\u003ch2\u003eCSF 3837 Radiator for Toyota Prius\u003c\/h2\u003e\u003cp\u003eThe CSF 3837 is a 1-row all-aluminum radiator built for the 2004-2009 Toyota Prius. It uses an OEM-style all-aluminum tank and core design with cross-flow construction for direct-fit cooling system service.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1-row all-aluminum radiator construction\u003c\/li\u003e\n\u003cli\u003eCore thickness: 5\/8 in.\u003c\/li\u003e\n\u003cli\u003eCore dimensions: 23 5\/8 in. length x 13 5\/8 in. width\u003c\/li\u003e\n\u003cli\u003eCross-flow design with 1 1\/4 in. inlet on the left and 1 1\/4 in. outlet on the right\u003c\/li\u003e\n\u003cli\u003eOEM-style all-aluminum tanks and core model\u003c\/li\u003e\n\u003cli\u003eCap not included\u003c\/li\u003e\n\u003cli\u003eCSF cap number: 4513\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eBuilt by CSF, part number 3837 is engineered as an OEM-style replacement radiator for the Toyota Prius cooling system. The aluminum core and aluminum tanks provide a lightweight, corrosion-resistant construction, while the single-row cross-flow layout supports efficient coolant transfer in a compact package. CSF manufactures a wide range of radiator designs and validates cooling performance through laboratory wind tunnel testing, with production backed by ISO\/TSO-certified factories.\u003c\/p\u003e\u003cp\u003eThis CSF 3837 radiator is a direct-fit solution for 2004-2009 Toyota Prius models and is listed with a 13 psi micro cap requirement. It is a practical choice for drivers replacing a leaking, clogged, or damaged radiator in a Toyota Prius, while maintaining the original-style layout and hose connection orientation.\u003c\/p\u003e\u003cp\u003eThis part cross-references APDI 8012758 for the same application.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a leaking radiator tank or core\u003c\/li\u003e\n\u003cli\u003eRestoring coolant flow after internal clogging\u003c\/li\u003e\n\u003cli\u003eAddressing overheating caused by radiator damage\u003c\/li\u003e\n\u003cli\u003eReplacing a corroded or aging OEM-style radiator\u003c\/li\u003e\n\u003cli\u003eServicing a Toyota Prius cooling system with the correct inlet and outlet orientation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCompatible With 2004-2009 Toyota Prius, N\/A.\u003c\/li\u003e\n\u003cli\u003eUse a micro 13 psi cap as noted in the fitment details.\u003c\/li\u003e\n\u003cli\u003eVerify inlet and outlet placement before installation: 1 1\/4 in. left inlet and 1 1\/4 in. right outlet.\u003c\/li\u003e\n\u003cli\u003eConfirm hose routing and mounting points against the original radiator before final assembly.\u003c\/li\u003e\n\u003cli\u003eCap is not included with this radiator.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eCSF radiators are manufactured to high-performance standards in ISO\/TSO-certified facilities and are engineered for cooling performance validation. Part number 3837 reflects CSF’s OEM-style all-aluminum radiator design for the Toyota Prius application.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":52431273459893,"sku":"BBMD-3837","price":176.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3837_Fro.jpg?v=1777849758","url":"https:\/\/www.partcatalog.com\/products\/csf-3837-radiator","provider":"PartCatalog","version":"1.0","type":"link"}