{"product_id":"spectra-premium-radiator-cu1693-direct-fit-for-chevrolet-gmc-with-eoc-toc-full-width-core","title":"Spectra Premium radiator CU1693 direct-fit for Chevrolet \u0026 GMC with EOC\/TOC, full-width core","description":"\u003cp\u003e\u003cstrong\u003eSpectra Premium CU1693 is a direct-fit replacement radiator engineered to restore reliable, high-efficiency cooling for select Chevrolet and GMC vehicles without modifications.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis full-size radiator combines updated manufacturing methods with rigorous quality checks to reproduce—or surpass—the cooling performance of the original unit. It ships complete with engine oil cooling (EOC) and transmission oil cooling (TOC) provisions, precision headers, and factory-compatible inlet and outlet sizes so installation is straightforward and dependable.\u003c\/p\u003e\n\n\u003ch3\u003eHow does this radiator match my original equipment?\u003c\/h3\u003e\n\u003cp\u003eThe CU1693 is vehicle-specific and built to the same mounting points, hose locations, and flow dimensions as the factory radiator so no cutting, drilling, or adapters are needed. Materials and assembly methods are chosen to replicate OE heat transfer and mechanical strength.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eExact fit height 34 in × width 17-1\/4 in × thickness 1-1\/4 in\u003c\/li\u003e\n  \u003cli\u003eInlet header 18-1\/2 in × 3-3\/16 in; outlet header 18-3\/4 in × 3-3\/16 in\u003c\/li\u003e\n  \u003cli\u003eInlet diameter 1-1\/4 in; outlet diameter 1-9\/16 in\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat cooling features improve performance during heavy use?\u003c\/h3\u003e\n\u003cp\u003eDesigned for efficient heat exchange, this radiator maximizes coolant flow through optimized core geometry and header design. Stable flow paths help keep engine and transmission temperatures under control during towing, city traffic, or high-load driving.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFull-width core for improved cooling surface area\u003c\/li\u003e\n  \u003cli\u003eEngineered headers and inlet\/outlet sizing for consistent circulation\u003c\/li\u003e\n  \u003cli\u003eManufactured to reduce hotspots and improve temperature distribution\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill the CU1693 hold up over time and with heavy duty use?\u003c\/h3\u003e\n\u003cp\u003eProduction processes emphasize durability, including strict quality inspection and corrosion-resistant materials. The radiator is sodium-free and assembled to resist common causes of premature failure while maintaining thermal performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust construction with corrosion-conscious materials\u003c\/li\u003e\n  \u003cli\u003eQuality control tests to ensure leak-tight seals and welds\u003c\/li\u003e\n  \u003cli\u003eDesigned for long service life under typical driving stresses\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow easy is installation and what components are included?\u003c\/h3\u003e\n\u003cp\u003eThe CU1693 is intended as a direct replacement so most installations follow the OEM removal and install steps without fabrication. Because it accommodates engine and transmission cooling lines, the radiator integrates with existing connections for a hassle-free swap.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDirect-fit design — no drilling or alterations required\u003c\/li\u003e\n  \u003cli\u003eCompatible with existing EOC and TOC lines and fittings\u003c\/li\u003e\n  \u003cli\u003eMounted to OEM-style attachment points for fast alignment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers of compatible Chevrolet and GMC models who need a reliable, OEM-style radiator replacement—whether restoring a vehicle after a failure, preparing a truck for heavy-duty use, or replacing an aging cooling core. This unit suits owners who want a precision-fit, factory-compatible radiator with solid thermal performance and long service potential.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this radiator require modifications to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No — the CU1693 is a direct-fit replacement designed to bolt in and use existing hoses and mounts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are engine and transmission oil coolers included?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the radiator supports both engine oil cooling (EOC) and transmission oil cooling (TOC) connections.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Spectra Premium","offers":[{"title":"Default Title","offer_id":48080112418974,"sku":"B000C7RZWC","price":220.2,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/spectra-premium-cu1693-front-view.jpg?v=1785779016","url":"https:\/\/northtrailauto.ca\/products\/spectra-premium-radiator-cu1693-direct-fit-for-chevrolet-gmc-with-eoc-toc-full-width-core","provider":"North Trail Auto","version":"1.0","type":"link"}