{"product_id":"aluminum-radiator-for-chevrolet-suburban-1955-1959-3-8l-4-3l-4-6l-5-3l-5-7l","title":"Aluminum Radiator for Chevrolet Suburban (1955-1959) 3.8L 4.3L 4.6L 5.3L 5.7L","description":"\u003ch2\u003eDirect-Fit Aluminum Performance Radiator for 1955-1959 Chevrolet Suburban\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eReplaces deteriorating factory copper-brass cooling units with an efficient, 3-row all-aluminum drop-in heat exchanger engineered to stabilize thermal loads during sustained operation.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Suburban Thermal Dissipation Bottleneck\u003c\/h3\u003e\n\u003cp\u003eThe original brass-and-copper core configurations found in Task Force-era Suburbans are prone to tube solder decay, internal galvanic silt accumulation, and severe fin separation over decades of heat cycles. Furthermore, the limited surface-area density and narrow fluid pathways of factory units fail to provide adequate convective heat rejection under modern driving speeds, prolonged uphill hauling, or retrofitted small-block V8 thermal demands, frequently leading to localized cylinder head hot spots and acute vapor lock.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eFabricated entirely from aircraft-grade aluminum, this heavy-duty 3-row core features furnace-brazed tubes and precision louvred fins that drastically increase thermal transfer efficiency over aged OEM designs. High-penetration TIG-welded end tanks eliminate leak-prone epoxy joints and aged mechanical crimps. Designed to bolt directly into the stock core support using factory mounting geometry, it delivers superior coolant volume, lower pressure drop across the block, and rapid thermal cycling resistance.\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;\"\u003e1955-1959 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 \/ Small Block Chevy \/ Task Force Series 3100\/3200\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;\"\u003e140 hp \/ 210 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;\"\u003eDPI 5559\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e1955-1959 Chevrolet Suburban\u003c\/strong\u003e (Engines: 3.8L 235ci I6, 4.3L 265ci V8, 4.6L 283ci V8, 5.3L V8, 5.7L 350ci V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle the continuous mechanical strain and towing duties expected of a classic utility workhorse, this radiator maintains optimal coolant operating temperatures whether pulling a vintage payload or cruising at sustained highway speeds.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50497937735928,"sku":"DS-EENZ781XO","price":229.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-chevrolet-suburban-1955-1959-3-8l-4-3l-4-6l-5-3l-5-7l-1.jpg?v=1789262587","url":"https:\/\/performancechiptuning.com\/products\/aluminum-radiator-for-chevrolet-suburban-1955-1959-3-8l-4-3l-4-6l-5-3l-5-7l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}