{"product_id":"radiator-for-mercury-marquis-1984-1986-2-3l-3-8l","title":"Radiator for Mercury Marquis (1984-1986) 2.3L 3.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty 3-Row Aluminum Radiator for 1984-1986 Mercury Marquis (Fox Platform)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The 3-row aluminum radiator replaces the failure-prone factory heat exchanger on the 1984-1986 Mercury Marquis to optimize thermal dissipation, prevent overheating, and eliminate coolant leak paths under sustained thermal load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Mercury Marquis Cooling Deficiencies\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on the mid-size \u003cstrong\u003eFox\u003c\/strong\u003e platform utilized aged copper-brass or thin-core composite radiators prone to micro-cracking and tube clogging. Over repeated heat cycles, degraded crimped seams and restricted internal passages throttle coolant flow. This creates severe heat soak that directly threatens engine longevity—especially on the \u003cstrong\u003eFord Essex 3.8L\u003c\/strong\u003e V6, which is historically susceptible to cylinder head distortion and blown head gaskets when thermal thresholds are exceeded, as well as the high-revving \u003cstrong\u003eFord Lima 2.3L\u003c\/strong\u003e inline-four.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eConstructed entirely from aircraft-grade aluminum, this direct replacement unit features a high-density 3-row brazed aluminum core engineered for superior laminar coolant distribution. All-aluminum end tanks are 100% precision TIG-welded to eradicate factory crimp-gasket failure points. Multi-louvered aluminum fins maximize ambient airflow surface area, expediting heat rejection and dropping operating temperatures safely below critical thresholds. Designed as an exact fit for interchange part number \u003cstrong\u003eCC138\u003c\/strong\u003e, it drops into the factory radiator support without modifying surrounding accessories.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1x 3-Row All-Aluminum Radiator\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100% style=\" border-collapse: collapse border: solid font-size: min-width:\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;\"\u003e1984-1986 Mercury Marquis\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;\"\u003e2.3L Lima I4, 3.8L Essex V6 \/ Fox Platform\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;\"\u003e88–120 hp \/ 122–175 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;\"\u003eCC138\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1984-1986 Mercury Marquis 2.3L\u003c\/li\u003e\n  \u003cli\u003e1984-1986 Mercury Marquis 3.8L\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the Fox Marquis?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1984-1986 Mercury Marquis equipped with the \u003cstrong\u003e2.3L Lima\u003c\/strong\u003e or \u003cstrong\u003e3.8L Essex\u003c\/strong\u003e engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to bleed the cooling system after installation?\u003c\/h4\u003e\n\u003cp\u003eYes, complete a full coolant flush and burp trapped air pockets thoroughly during installation to avoid localized hot spots in the cylinder head jackets.\u003c\/p\u003e\n\n\u003ch3\u003eThe Mercury Domestic Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to preserve classic American rear-wheel-drive platforms, this performance cooling upgrade delivers the structural rigidity and thermal overhead necessary to protect your powertrain during demanding highway travel and stop-and-go driving.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67564538429688,"sku":"DS-EVQUG9L3G","price":149.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/radiator-for-mercury-marquis-1984-1986-2-3l-3-8l-1.jpg?v=1791041652","url":"https:\/\/performancechiptuning.com\/de\/products\/radiator-for-mercury-marquis-1984-1986-2-3l-3-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}