{"product_id":"aluminum-radiator-for-chevrolet-suburban-1947-1954-3-8l-4-3l","title":"Aluminum Radiator for Chevrolet Suburban (1947-1954) 3.8L 4.3L","description":"\u003ch2\u003eDirect-Fit Aluminum Performance Radiator for 1947-1954 Chevrolet Suburban\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces factory copper-brass or degraded radiators with a high-flow 3-row aluminum core to eliminate overheating and enhance thermal rejection under heavy load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Suburban Thermal Dissipation Limits\u003c\/h3\u003e\n\u003cp\u003eFactory Advance Design Chevrolet Suburbans utilized soldered copper-brass radiators engineered strictly for low-stress operational conditions. Over decades, these original cores succumb to internal tube calcification, galvanic corrosion, and solder seam failure. Under extended idling, mountain hauling, or modern engine retrofits, the narrow OEM tube profile and low fin density trap thermal energy, driving coolant temperatures beyond safe thresholds and risking head gasket distortion on cast-iron inline engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis 3-row replacement radiator is fabricated using aerospace-grade brazed aluminum tubes paired with high-efficiency louvered aluminum fins. The precision TIG-welded end tanks remove failure-prone epoxy and lead seals entirely, withstanding continuous thermal cycling and higher system pressures. By maximizing surface-area contact and coolant velocity, it dramatically accelerates heat dissipation, preventing thermal runaway and protecting critical engine internals.\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;\"\u003e1947-1954 Chevrolet Suburban\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;\"\u003eThriftmaster 235 (3.8L) \u0026amp; Jobmaster 261 (4.3L) I6 \/ Advance Design\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;\"\u003e90-115 hp \/ 174-220 lb-ft (Approx)\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\u003e1947-1954 Chevrolet Suburban 3.8L 235ci Inline-6\u003c\/li\u003e\n  \u003cli\u003e1954 Chevrolet Suburban 4.3L 261ci Inline-6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Chevrolet Heavy-Duty Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to preserve vintage utility, this all-aluminum core ensures constant thermal regulation whether navigating stop-and-go traffic or hauling heavy utility gear.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50497938030840,"sku":"DS-EEQAWSDBJ","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-chevrolet-suburban-1947-1954-3-8l-4-3l-1.jpg?v=1789262648","url":"https:\/\/performancechiptuning.com\/es\/products\/aluminum-radiator-for-chevrolet-suburban-1947-1954-3-8l-4-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}