{"product_id":"denso-221-3171-radiator","title":"Denso 221-3171 Radiator","description":"\u003ch2\u003eOverview of the Denso Radiator 221-3171 for Lexus GS Models\u003c\/h2\u003e\u003cp\u003eThe Denso radiator part number 221-3171 is designed specifically for Lexus GS300, GS350, and GS450h models. This radiator ensures efficient engine cooling with precise core dimensions and inlet\/outlet sizes tailored for these vehicles.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore Height: 15.812 inches\u003c\/li\u003e\n\u003cli\u003eCore Width: 27.75 inches\u003c\/li\u003e\n\u003cli\u003eCore Thickness: 0.625 inches\u003c\/li\u003e\n\u003cli\u003eInlet Diameter: 1.5 inches\u003c\/li\u003e\n\u003cli\u003eOutlet Diameter: 1.562 inches\u003c\/li\u003e\n\u003cli\u003eTransmission Oil Cooler: Not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Radiator Specifications and Design\u003c\/h2\u003e\u003cp\u003eThe Denso 221-3171 radiator features a core height of 15.812 inches and a width of 27.75 inches, providing ample surface area for heat dissipation. Its core thickness of 0.625 inches balances cooling efficiency with compact design, suitable for the engine bay of Lexus GS300, GS350, and GS450h models. The inlet and outlet diameters of 1.5 inches and 1.562 inches respectively ensure proper coolant flow and compatibility with factory hoses. This radiator does not include a transmission oil cooler, focusing solely on engine cooling performance.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for leaking or cracked radiator in Lexus GS300, GS350, and GS450h\u003c\/li\u003e\n\u003cli\u003eResolves engine overheating caused by inefficient cooling\u003c\/li\u003e\n\u003cli\u003eAddresses coolant loss due to damaged radiator cores or tanks\u003c\/li\u003e\n\u003cli\u003eImproves cooling system reliability after radiator corrosion or clogging\u003c\/li\u003e\n\u003cli\u003eSuitable for restoring factory cooling performance in Lexus GS models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso radiator 221-3171, ensure all coolant hoses match the specified inlet and outlet diameters for a secure fit. Drain the existing coolant completely before removal to avoid spills. Inspect and replace any worn hose clamps or seals to prevent leaks. Bleed the cooling system properly after installation to remove air pockets and maintain optimal coolant circulation. Professional installation is recommended for precise fitment and system integrity.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDenso radiators are manufactured to meet OEM specifications for Lexus GS300, GS350, and GS450h vehicles. The 221-3171 radiator undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Denso products typically include a limited warranty covering defects in materials and workmanship. Refer to the product documentation for exact warranty terms.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43968696582325,"sku":"BBNF-221-3171","price":135.93,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2213171_Fro.jpg?v=1775007051","url":"https:\/\/www.partcatalog.com\/products\/denso-221-3171-radiator","provider":"PartCatalog","version":"1.0","type":"link"}