{"product_id":"performance-radiator-for-chevrolet-s-10-blazer-1983-1993-1-9l-2-0l-2-2l-2-5l-2-8l-4-3l","title":"Performance Radiator for Chevrolet S-10 Blazer (1983-1993) 1.9L 2.0L 2.2L 2.5L 2.8L 4.3L","description":"\u003ch2\u003eHigh-Efficiency All-Aluminum Performance Radiator for 1983-1993 Chevrolet S-10,Blazer\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Radiator replaces the factory copper-brass or plastic-tank cooling unit on the 1983-1993 Chevrolet S-10,Blazer to maximize thermal dissipation and prevent coolant loss under heavy loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet S-10,Blazer Thermal Dissipation Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems in first-generation \u003cstrong\u003eGMT325\u003c\/strong\u003e (pickup) and \u003cstrong\u003eGMT330\u003c\/strong\u003e (Blazer) chassis rely on aging brazed copper-brass assemblies or composite crimped plastic end tanks. Over decades of thermal cycling, original crimped plastic tank gaskets become brittle, crack, and rupture at operating pressures. Furthermore, scaling and sediment accumulation inside narrow OEM tubes severely restrict coolant flow, leading to localized hotspotting and engine knock under towing loads, especially on torque-heavy \u003cstrong\u003eVortec 4300 LB4\u003c\/strong\u003e and \u003cstrong\u003e60-Degree 2.8L V6\u003c\/strong\u003e platforms.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eConstructed from lightweight, aerospace-grade aluminum, this drop-in upgrade features fully TIG-welded tanks that eliminate failure-prone mechanical crimp gaskets. The core utilizes a high-density, multi-louvered tube-and-fin architecture engineered to maximize surface area contact and optimize heat transfer dynamics without causing airflow restriction to the condenser. Built to withstand high-pressure spikes and severe vibration, it provides steady operating temperatures whether idling in heavy traffic or hauling heavy payloads.\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;\"\u003e1983-1993 Chevrolet S-10,Blazer\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;\"\u003e1.9L, 2.0L, 2.2L, 2.5L Iron Duke, 2.8L V6, 4.3L Vortec \/ GMT325, GMT330\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;\"\u003e82-200 hp \/ 101-260 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;\"\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\u003e1983-1993 Chevrolet S-10 (1.9L, 2.0L, 2.2L, 2.5L, 2.8L, 4.3L)\u003c\/li\u003e\n  \u003cli\u003e1983-1993 Chevrolet S-10 Blazer (1.9L, 2.0L, 2.2L, 2.5L, 2.8L, 4.3L)\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 \/ GMT330 S-10,Blazer?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1983-1993 Chevrolet S-10,Blazer equipped with the 1.9L, 2.0L, 2.2L, 2.5L Iron Duke, 2.8L, and 4.3L Vortec engines when matched to factory mounting brackets.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this radiator retain integrated automatic transmission fluid cooling ports?\u003c\/strong\u003e\u003cbr\u003e Yes, integrated transmission cooler line fittings are provisioned to support factory automatic transmission line routing.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Truck Durability Caliber\u003c\/h3\u003e\n\u003cp\u003eBuilt for the structural rigidity and working demands of classic GM utility trucks, this all-aluminum cooling system resists chassis torsional stress and manages the extreme heat rejection required for sustained trail crawling and heavy towing.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50593862779128,"sku":"DS-E5F7ZVKUZ","price":222.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-radiator-for-chevrolet-s-10-blazer-1983-1993-1-9l-2-0l-2-2l-2-5l-2-8l-4-3l-1.jpg?v=1790052367","url":"https:\/\/performancechiptuning.com\/fr\/products\/performance-radiator-for-chevrolet-s-10-blazer-1983-1993-1-9l-2-0l-2-2l-2-5l-2-8l-4-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}