{"product_id":"performance-radiator-for-jeep-grand-cherokee-1999-2004-4-7l-automatic","title":"Performance Radiator for Jeep Grand Cherokee (1999-2004) 4.7L Automatic","description":"\u003ch2\u003eDirect-Fit All-Aluminum Performance Radiator for 1999-2004 Jeep Grand Cherokee\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces the failure-prone factory plastic-tank unit with a heavy-duty, dual-core aluminum radiator to eliminate thermal degradation under heavy load and severe off-road duty.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Grand Cherokee Thermal Vulnerability\u003c\/h3\u003e\n\u003cp\u003eFactory WJ radiators rely on crimped plastic end tanks bonded to an aluminum core with elastomeric gaskets. Over repeated thermal cycles, the high operating temperatures of the 4.7L V8 cause the plastic to embrittle, leading to micro-fractures, separated tank seams, and sudden coolant loss under load. Additionally, the restrictive OEM single-row core struggles with heat dissipation during low-speed trail crawling or heavy towing, triggering chronic heat soak.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eBuilt with AA5052 aircraft-grade aluminum tanks and a vacuum-brazed 2-row core, this unit is 100% TIG-welded without failure-prone epoxy joints. The dual-row tube configuration features rows spaced 3\/8-inch apart with 14-16 fins per inch (FPI) for maximum surface-area heat rejection. It includes an integrated internal transmission oil cooler for automatic transmissions, a CNC-machined filler neck with cap, and a durable brass OEM-style petcock drain.\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;\"\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1999-2004 Jeep Grand Cherokee\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eEngine \/ Chassis\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4.7L PowerTech V8 \/ WJ Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eStock Output\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e235 hp \/ 295 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eCore Dimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e21.2 in x 23.2 in (538 mm x 590 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003eInlet \/ Outlet\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1.5 in (Driver) \/ 1.75 in (Passenger)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eN\/A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2004 Jeep Grand Cherokee WJ 4.7L V8 Automatic (Limited \/ Laredo)\u003c\/li\u003e\n  \u003cli\u003eFits export\/overseas 2005 WJ\/WG models with 4.7L V8 Automatic\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Does not fit 2005+ US-market WK Grand Cherokee (redesigned chassis)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNote:\u003c\/strong\u003e Does not fit 1993-1998 ZJ Grand Cherokee 4.0L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Jeep Off-Road Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle extreme torsional chassis flex and elevated cooling demands, this all-aluminum drop-in upgrade guarantees stable coolant and ATF operating temperatures whether towing at capacity or navigating technical trails.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50417246470392,"sku":"DS-E7MIDOR4R","price":244.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-radiator-for-jeep-grand-cherokee-1999-2004-4-7l-automatic-1.jpg?v=1788333004","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-radiator-for-jeep-grand-cherokee-1999-2004-4-7l-automatic","provider":"Performance Chip Tuning","version":"1.0","type":"link"}