{"product_id":"denso-221-3121-radiator","title":"Denso 221-3121 Radiator","description":"\u003ch2\u003eOverview of the Denso 221-3121 Radiator for Lexus GS300 and GS400\u003c\/h2\u003e\u003cp\u003eThe Denso 221-3121 radiator is engineered specifically for Lexus GS300 and GS400 models, providing reliable cooling performance. Designed with precise core dimensions and integrated transmission oil cooler, this radiator supports optimal engine temperature management.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eCore Height: 15.812 inches\u003c\/li\u003e\n\u003cli\u003eCore Thickness: 0.625 inches\u003c\/li\u003e\n\u003cli\u003eCore Width: 29.437 inches\u003c\/li\u003e\n\u003cli\u003eTransmission Oil Cooler Included\u003c\/li\u003e\n\u003cli\u003eInlet Diameter: 1.375 inches\u003c\/li\u003e\n\u003cli\u003eOutlet Diameter: 1.562 inches\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Radiator Specifications and Features\u003c\/h2\u003e\u003cp\u003eThis Denso radiator (part number 221-3121) features a core height of 15.812 inches, core thickness of 0.625 inches, and a core width of 29.437 inches, ensuring efficient heat dissipation for Lexus GS300 and GS400 vehicles. The inclusion of a transmission oil cooler enhances the cooling system by maintaining transmission fluid temperature, which is critical for transmission longevity and performance. The inlet and outlet diameters of 1.375 inches and 1.562 inches respectively are designed to match OEM specifications for proper coolant flow and system compatibility.\u003c\/p\u003e\u003ch2\u003eApplications and Common Issues Addressed\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eOverheating engine due to radiator core damage or clogging\u003c\/li\u003e\n\u003cli\u003eTransmission fluid overheating affecting transmission performance\u003c\/li\u003e\n\u003cli\u003eCoolant leaks from worn or damaged radiator components\u003c\/li\u003e\n\u003cli\u003eReduced cooling efficiency from corrosion or buildup inside the radiator\u003c\/li\u003e\n\u003cli\u003eReplacement for OEM radiator failures in Lexus GS300 and GS400\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Denso 221-3121 radiator, ensure all hose connections match the specified inlet and outlet diameters for a secure fit. Properly flush the cooling system before installation to prevent contamination. Verify the transmission oil cooler lines are correctly connected to maintain transmission cooling functionality. It is recommended to inspect all related components such as hoses, clamps, and thermostat during installation for optimal system performance.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDenso radiators are manufactured to meet or exceed OEM standards for durability and performance. The 221-3121 radiator undergoes rigorous quality control to ensure reliable operation in Lexus GS300 and GS400 vehicles. Warranty coverage details should be confirmed at the point of purchase, typically including protection against manufacturing defects.\u003c\/p\u003e","brand":"Denso","offers":[{"title":"Default Title","offer_id":43967796740277,"sku":"BBNF-221-3121","price":159.79,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/NP_2213121_Fro.jpg?v=1775007040","url":"https:\/\/www.partcatalog.com\/products\/denso-221-3121-radiator","provider":"PartCatalog","version":"1.0","type":"link"}