{"product_id":"csf-3687-radiator","title":"CSF 3687 Radiator","description":"\u003ch2\u003eOverview of CSF 3687 Radiator for Lexus and Toyota Vehicles\u003c\/h2\u003e\u003cp\u003eThe CSF 3687 radiator is designed specifically for select Lexus and Toyota models, including the RX350, RX450h, and Sienna. This radiator features a durable aluminum core combined with plastic tanks, engineered to provide reliable cooling performance for your vehicle's engine.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore thickness: 7\/8 inch\u003c\/li\u003e\n\u003cli\u003eCore width: 29 15\/16 inches\u003c\/li\u003e\n\u003cli\u003eCore length: 17 11\/16 inches\u003c\/li\u003e\n\u003cli\u003eAluminum core with plastic tanks\u003c\/li\u003e\n\u003cli\u003eDown flow design with 1 row core\u003c\/li\u003e\n\u003cli\u003eInlet and outlet diameter: 1 3\/8 inches (left inlet, right outlet)\u003c\/li\u003e\n\u003cli\u003eCompatible with Lexus RX350, RX450h, and Toyota Sienna\u003c\/li\u003e\n\u003cli\u003ePart number: 3687\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe CSF 3687 radiator is part of the 1 Row Plastic Tank Aluminum Core product line, which combines the strength and heat dissipation properties of an aluminum core with the lightweight and corrosion-resistant benefits of plastic tanks. This radiator features a single-row core with a thickness of 7\/8 inch, measuring nearly 30 inches in width and over 17 inches in length, optimized for efficient heat exchange. The down flow design ensures coolant flows from top to bottom, supporting effective engine temperature regulation. Both the inlet and outlet have a diameter of 1 3\/8 inches, positioned on the left and right sides respectively, facilitating straightforward hose connections. This radiator does not include a cap but is compatible with CSF cap number 4514.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for leaking or damaged radiators in Lexus RX350 and RX450h models\u003c\/li\u003e\n\u003cli\u003eCooling system upgrade for Toyota Sienna vehicles experiencing overheating\u003c\/li\u003e\n\u003cli\u003eResolution of coolant flow restrictions due to clogged or corroded radiator cores\u003c\/li\u003e\n\u003cli\u003eAddressing plastic tank failures common in older radiators\u003c\/li\u003e\n\u003cli\u003eImproving engine cooling efficiency in vehicles with OEM-style radiator requirements\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure compatibility with Lexus RX350, RX450h, or Toyota Sienna before installation\u003c\/li\u003e\n\u003cli\u003eVerify inlet and outlet hose diameters match existing connections (1 3\/8 inches)\u003c\/li\u003e\n\u003cli\u003eUse appropriate coolant and follow manufacturer torque specifications for mounting\u003c\/li\u003e\n\u003cli\u003eInspect and replace radiator cap with CSF cap number 4514 if necessary\u003c\/li\u003e\n\u003cli\u003eCheck for proper coolant flow direction due to down flow design\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eCSF radiators are manufactured to meet OEM specifications, using high-quality aluminum cores and durable plastic tanks to ensure long-lasting performance. The 3687 radiator is designed without hazardous materials and undergoes rigorous quality control. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Consult the product documentation or CSF directly for exact warranty terms.\u003c\/p\u003e","brand":"CSF","offers":[{"title":"Default Title","offer_id":43756520112309,"sku":"BBMD-3687","price":192.01,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/C3_3687_Fro.jpg?v=1774994591","url":"https:\/\/www.partcatalog.com\/products\/csf-3687-radiator","provider":"PartCatalog","version":"1.0","type":"link"}