{"product_id":"4-row-radiator-cooling-fan-for-gmc-sonoma-1996-2004-4-3l","title":"Radiator and Cooling Fan for GMC Sonoma (1996-2004) 4.3L","description":"\u003ch2\u003eHigh-Efficiency 4-Row Aluminum Radiator \u0026amp; Fan Shroud Kit for 1996-2004 GMC Sonoma\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 4-row aluminum radiator cooling fan kit replaces the failure-prone factory cooling assembly on the 1996-2004 GMC Sonoma to maximize thermal transfer and eliminate engine overheating under heavy load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Sonoma Thermal Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe factory cooling system on the \u003cstrong\u003eGMT325\u003c\/strong\u003e Sonoma utilizes an undersized, lightweight core sealed by crimped composite plastic end tanks and assisted by an engine-driven mechanical clutch fan. Over repeated heat cycles, the OEM plastic tanks degrade, embrittle, and hairline crack along the crimp seam, inducing sudden coolant loss. Furthermore, aging thermal fan clutches slip under severe duty, choking airflow across the core at low speeds and subjecting the \u003cstrong\u003eVortec 4300 (L35\/LU3)\u003c\/strong\u003e cast-iron block to destructive cylinder head heat soak.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit replacement system eliminates OEM failure points using an all-aluminum 4-row crossflow design featuring 100% TIG-welded tanks and a furnace-brazed multi-louvered fin core. Designed to supersede OEM cross-references \u003cstrong\u003eDPI1826\u003c\/strong\u003e and \u003cstrong\u003eCU1826\u003c\/strong\u003e, the expanded core surface area provides superior heat rejection compared to stock. A tailored, lightweight aluminum shroud houses dual 12V electric cooling fans that draw maximum CFM continuously, ensuring rapid thermal stabilization regardless of engine RPM during slow crawl conditions or stop-and-go hauling.\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;\"\u003e1996-2004 GMC Sonoma\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;\"\u003eVortec 4.3L V6 (L35\/LU3) \/ GMT325\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;\"\u003e190 hp \/ 250 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;\"\u003eDPI1826, CU1826, CC1826, MC1826, EC1826\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1996-2004 GMC Sonoma (SL, SLE, SLS) 4.3L V6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the GMT325 Sonoma?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1996-2004 GMC Sonoma equipped with the Vortec 4.3L V6 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo the electric fans integrate with the factory electrical harness?\u003c\/strong\u003e\u003cbr\u003e The fans include basic pigtail leads and require an appropriate 12V relay harness and thermostatic switch for automated operation.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Workhorse Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for sustained towing capacity and high-load hauling, this rugged all-aluminum cooling assembly safeguards your drivetrain against extreme underhood thermal stress on worksites and highways alike.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50511925412088,"sku":"DS-EMANPSLUW","price":214.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/4-row-radiator-cooling-fan-for-gmc-sonoma-1996-2004-4-3l-1.jpg?v=1789419446","url":"https:\/\/performancechiptuning.com\/products\/4-row-radiator-cooling-fan-for-gmc-sonoma-1996-2004-4-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}