{"product_id":"performance-radiator-for-ford-f-250-f-350-1966-1979-3-9l-4-9l-5-0l-5-8l-5-9l-6-4l","title":"Performance Radiator for Ford F-250 F-350 (1966-1979) 3.9L 4.9L 5.0L 5.8L 5.9L 6.4L","description":"\u003ch2\u003eAll-Aluminum Performance Radiator for 1966-1979 Ford F-250, F-350\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The performance aluminum radiator replaces the failure-prone factory copper-brass cooling unit on the 1966-1979 Ford F-250 and F-350 to maximize thermal transfer efficiency and eliminate coolant loss under heavy towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Ford F-250, F-350 Thermal Saturation Problem\u003c\/h3\u003e\n\u003cp\u003eOriginal cooling systems found in \u003cstrong\u003e1966-1979 Ford F-Series\u003c\/strong\u003e trucks relied on multi-piece brass tanks bonded to copper cores with lead-tin solder. Over decades of duty, corrosive galvanic buildup and lime calcification choke internal coolant passage tubes. Furthermore, the ladder-frame chassis flex inherent to the \u003cstrong\u003eBumpside\u003c\/strong\u003e (1967-1972) and \u003cstrong\u003eDentside\u003c\/strong\u003e (1973-1979) trucks transfers torsional strain directly into the radiator core support. This constant twisting fatigues brittle factory solder seams, leading to core-to-tank separation, sudden coolant drops, and dangerous thermal runaways when pulling heavy trailers with high-displacement engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered to withstand heavy-duty service, this unit utilizes an all-aluminum construction featuring a furnace-brazed tube-and-fin core that significantly outperforms stock heat rejection rates. High-density, multi-louvered cooling fins optimize convective airflow dissipation across all rows. The assembly replaces weak crimped gaskets and lead joints with 100% precision TIG-welded structural end tanks, delivering rugged durability against high coolant pressures and off-camber chassis twist. Engineered as a bolt-in replacement for the \u003cstrong\u003eFord FE-Series\u003c\/strong\u003e, \u003cstrong\u003eWindsor V8\u003c\/strong\u003e, and durable \u003cstrong\u003eInline-6\u003c\/strong\u003e powertrains, this radiator guarantees stabilized engine temperatures in extreme duty cycles.\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;\"\u003e1966-1979 Ford F-250, F-350\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;\"\u003eFord 240 \/ 300 I6, 302 \/ 351M \/ 360 \/ 390 V8 \/ 4th, 5th, 6th Gen F-Series\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;\"\u003e101-215 hp \/ 195-376 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;\"\u003e433, SBR433, CC433, CU433, DPI433, AE433, CC132, CU132\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1966-1979 Ford F-250 (3.9L 240ci I6, 4.9L 300ci I6)\u003c\/li\u003e\n  \u003cli\u003e1966-1979 Ford F-250 (5.0L 302ci V8, 5.8L 351M V8)\u003c\/li\u003e\n  \u003cli\u003e1966-1979 Ford F-250 (5.9L 360ci FE V8, 6.4L 390ci FE V8)\u003c\/li\u003e\n  \u003cli\u003e1966-1979 Ford F-350 (3.9L 240ci I6, 4.9L 300ci I6)\u003c\/li\u003e\n  \u003cli\u003e1966-1979 Ford F-350 (5.0L 302ci V8, 5.8L 351M V8)\u003c\/li\u003e\n  \u003cli\u003e1966-1979 Ford F-350 (5.9L 360ci FE V8, 6.4L 390ci FE V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the Dentside and Bumpside F-250, F-350?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for 1966-1979 Ford F-250 and F-350 trucks configured with standard core support mounts and the designated engine sizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this radiator accommodate automatic transmission fluid lines?\u003c\/strong\u003e\u003cbr\u003e Yes, it features an integrated internal transmission oil cooler compatible with factory transmission fluid lines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Ford Heavy-Duty Caliber\u003c\/h3\u003e\n\u003cp\u003eClassic Ford workhorses require thermal components built to match their rugged capability. This all-aluminum radiator provides the structural integrity and cooling reserve required to keep your truck running cool while hauling, plowing, or crawling under severe load conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50593828110584,"sku":"DS-EC3NPAK7D","price":292.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-radiator-for-ford-f-250-f-350-1966-1979-3-9l-4-9l-5-0l-5-8l-5-9l-6-4l-1.jpg?v=1790052201","url":"https:\/\/performancechiptuning.com\/products\/performance-radiator-for-ford-f-250-f-350-1966-1979-3-9l-4-9l-5-0l-5-8l-5-9l-6-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}