{"product_id":"aluminum-radiator-for-lincoln-navigator-2018-2021-3-5l","title":"Aluminum Radiator for Lincoln Navigator (2018-2021) 3.5L","description":"\u003ch2\u003eDirect-Fit All-Aluminum Radiator for 2018-2021 Lincoln Navigator\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Direct replacement performance unit engineered to resolve cooling deficits, maximize heat rejection, and eliminate structural failure points inherent to the OEM plastic-tank assembly under heavy load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Navigator Cooling Vulnerability\u003c\/h3\u003e\n\u003cp\u003eFactory radiators on the fourth-generation Lincoln Navigator rely on plastic end-tanks crimped onto a lightweight aluminum core with elastomeric gaskets. Under the severe thermal loads generated by the twin-turbocharged 3.5L EcoBoost engine—particularly during heavy towing, sustained grade climbs, or idle cycles in extreme ambient temperatures—repeated thermal expansion cycles fatigue these crimped seams. Over time, the brittle composite plastic degrades, leading to hairline fractures at the hose necks and coolant loss at the tank-to-core junction.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis cooling assembly is fabricated entirely from aircraft-grade aluminum, utilizing fully TIG-welded tanks joined to a high-efficiency furnace-brazed tube-and-fin core. Eliminating plastic and rubber crimp joints completely prevents seam blowout and catastrophic pressure loss. The multi-row internal passage design accelerates thermal transfer and increases total fluid capacity, drastically reducing heat soak under high-boost demands while retaining all factory mounting provisions for fan shrouds and plumbing.\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;\"\u003e2018-2021 Lincoln Navigator\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;\"\u003e3.5L Twin-Turbo EcoBoost V6 \/ U554\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;\"\u003e450 hp \/ 510 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\u003e2018 Lincoln Navigator (Base, Reserve, Select, Black Label - 3.5L V6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2019 Lincoln Navigator (Base, Reserve, Select, Black Label - 3.5L V6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2020 Lincoln Navigator (Base, Reserve, Black Label - 3.5L V6 Gas)\u003c\/li\u003e\n  \u003cli\u003e2021 Lincoln Navigator (Base, Reserve, Black Label - 3.5L V6 Gas)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Lincoln Towing \u0026amp; Durability Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt to handle the severe duty cycles required of a full-size luxury SUV, this all-aluminum core maintains stable cylinder head temperatures during heavy gross combined weight rating (GCWR) towing, ensuring long-term powertrain reliability without cooling-induced thermal derating.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50497324122360,"sku":"DS-EZZTBLUHR","price":268.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/aluminum-radiator-for-lincoln-navigator-2018-2021-3-5l-1.jpg?v=1789258073","url":"https:\/\/performancechiptuning.com\/products\/aluminum-radiator-for-lincoln-navigator-2018-2021-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}