{"product_id":"radiator-for-lexus-gs-2007-2011-3-5l","title":"Radiator for Lexus GS (2007-2011) 3.5L","description":"\u003ch2\u003eHeavy-Duty All-Aluminum Radiator for 2007-2011 Lexus GS\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The all-aluminum radiator replaces the fragile plastic-tank heat exchanger on the 2007-2011 Lexus GS to prevent catastrophic coolant loss and maintain stable engine operating temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Lexus GS Radiator Failure Points\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems in the \u003cstrong\u003eS190\u003c\/strong\u003e chassis rely on an OEM radiator constructed with crimped composite plastic end tanks sealed to an aluminum core via rubber O-ring gaskets. Over repeated heat cycles and elevated operational pressures from the high-compression (11.8:1) \u003cstrong\u003e2GR-FSE\u003c\/strong\u003e 3.5L V6, this plastic degrades, oxidizes, and becomes brittle. The most common mechanical failure points are hairline stress fractures across the upper tank neck and separation along the crimped seam header, leading to rapid coolant depressurization and severe thermal damage to the cylinder heads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct replacement performance radiator replaces brittle plastic with 100% TIG-welded, structural-grade aluminum end tanks mated to a brazed multi-louvered tube-and-fin aluminum core. Eliminating mechanical crimp seams and elastomeric seals removes the primary point of failure under cyclic heat soak. The reinforced core geometry maximizes heat rejection efficiency and fluid transfer rates across the radiator face. CNC-machined inlet and outlet ports match original hose routing, and factory-located mounting tabs secure directly to the OEM fan shroud without requiring custom brackets. Designed to supersede OEM part number \u003cstrong\u003e16400-31370\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; margin-bottom: 20px;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2007-2011 Lexus GS\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2GR-FSE \/ S190\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e303 hp \/ 274 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e16400-31370\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007-2011 Lexus GS 350 3.5L V6 (RWD \/ AWD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the S190 GS?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2007-2011 Lexus GS equipped with the 2GR-FSE engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this unit feature integrated transmission cooling provisions?\u003c\/strong\u003e\u003cbr\u003e Yes, it includes internal transmission cooler fittings that match the factory hardline routing for seamless drop-in installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Lexus Engineering Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to preserve the strict mechanical tolerances and smooth high-RPM thermal demands of the direct-injected JDM V6 platform without risk of split tank failure.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50514580963576,"sku":"DS-EPT6IUKDT","price":166.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/radiator-for-lexus-gs-2007-2011-3-5l-1.jpg?v=1789448460","url":"https:\/\/performancechiptuning.com\/fr\/products\/radiator-for-lexus-gs-2007-2011-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}