{"product_id":"aluminum-radiator-for-nissan-pathfinder-2001-2004-3-5l","title":"Aluminum Radiator for Nissan Pathfinder (2001-2004) 3.5L","description":"\u003ch2\u003eHeavy-Duty All-Aluminum Radiator for 2001-2004 Nissan Pathfinder\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high-efficiency aluminum radiator replaces the failure-prone factory unit on the 2001-2004 Nissan Pathfinder to maximize thermal heat rejection and eliminate coolant loss under heavy loads.\u003c\/p\u003e\u003ch3\u003eThe Stock Nissan Pathfinder Cooling Vulnerabilities\u003c\/h3\u003e\u003cp\u003eFactory cooling systems in the \u003cstrong\u003eR50\u003c\/strong\u003e chassis rely on an OEM radiator constructed with crimped plastic end tanks mated to an aluminum core via elastomeric gaskets. Over continuous thermal cycling, these polymer tanks embrittle, degrade, and develop micro-fractures—most commonly along the upper tank inlet neck and crimp seams. When paired with the thermal output of the \u003cstrong\u003eVQ35DE\u003c\/strong\u003e platform under towing or off-road low-speed crawling conditions, elevated cooling system pressures accelerate fatigue, introducing catastrophic coolant blowouts and severe cylinder head warping risks.\u003c\/p\u003e\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\u003cp\u003eThis drop-in upgrade resolves OEM structural vulnerabilities by replacing plastic tanks with 100% aircraft-grade TIG-welded aluminum end tanks joined to a high-capacity 2-row brazed tube-and-fin core. The furnace-brazed core increases coolant contact surface area, significantly lowering coolant outlet temperatures and eliminating heat soak. Featuring precision-located brackets and direct-fit hose connections matching \u003cstrong\u003eCU2459\u003c\/strong\u003e and \u003cstrong\u003eRD-931-754-B4\u003c\/strong\u003e dimensions, it provides bulletproof structural integrity capable of handling elevated operating pressures without seam delamination.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\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;\"\u003e2001-2004 Nissan Pathfinder\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;\"\u003e\n\u003cstrong\u003eVQ35DE\u003c\/strong\u003e \/ \u003cstrong\u003eR50\u003c\/strong\u003e\n\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;\"\u003e240-250 hp \/ 240-265 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;\"\u003e\n\u003cstrong\u003eRD-931-754-B4\u003c\/strong\u003e, \u003cstrong\u003eCU2459\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e2001-2004 Nissan Pathfinder LE 3.5L V6\u003c\/li\u003e\n\u003cli\u003e2001-2004 Nissan Pathfinder SE 3.5L V6\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eDoes this fit the R50 Pathfinder?\u003c\/strong\u003e\u003cbr\u003eYes, this is a direct fit for the 2001-2004 Nissan Pathfinder equipped with the \u003cstrong\u003eVQ35DE\u003c\/strong\u003e engine.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this unit retain internal transmission cooling circuits?\u003c\/strong\u003e\u003cbr\u003eVerify your specific automatic transmission line fittings prior to installation, as auxiliary cooling line routing may require connection to the integrated lower tank cooler.\u003c\/p\u003e\u003ch3\u003eThe Nissan Endurance Standard\u003c\/h3\u003e\u003cp\u003eBuilt to handle extreme trail conditions and sustained towing duty, this all-aluminum core ensures your powertrain maintains stable operating temperatures regardless of ambient thermal load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50511770779896,"sku":"DS-EI4TLDM3F","price":225.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-nissan-pathfinder-2001-2004-3-5l-1.jpg?v=1789419089","url":"https:\/\/performancechiptuning.com\/es\/products\/aluminum-radiator-for-nissan-pathfinder-2001-2004-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}