{"product_id":"radiator-for-volkswagen-jetta-1999-2004-2-8l","title":"Radiator for Volkswagen Jetta (1999-2004) 2.8L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHigh-Efficiency Direct-Fit All-Aluminum Radiator for 1999-2004 Volkswagen Jetta (Mk4)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The high-efficiency all-aluminum radiator replaces the fragile factory cooling assembly on the 1999-2004 Volkswagen Jetta to enhance heat dissipation, prevent boil-overs, and eliminate structural failure points in the cooling circuit.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Volkswagen Jetta Radiator Failure Points\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on the \u003cstrong\u003eMk4\u003c\/strong\u003e platform rely on radiators constructed with crimped plastic polymer end tanks mated to an aluminum core via elastomer gaskets. Under the elevated operational temperatures generated by the compact, tightly packaged \u003cstrong\u003e2.8L VR6\u003c\/strong\u003e, continuous thermal cycling fatigues these plastic neck connections and side tanks. Over time, brittle plastic fractures near the radiator hose couplings, and crimp seals loosen under pressure, leading to catastrophic coolant evacuation and subsequent engine overheating.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for sustained thermal rejection, this performance unit features a robust 2-row all-aluminum tube-and-fin core joined to heavy-gauge aluminum end tanks with 100% TIG-welded seams. By eliminating crack-prone plastic and vulcanized rubber seals, this drop-in replacement completely mitigates rupture risks under increased cooling system pressures. The high-density fin layout accelerates crossflow heat exchange, warding off heat soak during prolonged idling and high-load driving while matching factory plumbing dimensions for \u003cstrong\u003e1J0121253AD\u003c\/strong\u003e and \u003cstrong\u003e1J0121253AT\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 x All-aluminum direct-fit 2-row performance radiator\u003c\/li\u003e\n  \u003cli\u003eProtective transport caps on inlet\/outlet ports\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;\"\u003e1999-2004 Volkswagen Jetta\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;\"\u003e2.8L VR6 (AFP \/ BDF) \/ Mk4 (Typ 1J)\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;\"\u003e174–200 hp \/ 181–195 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;\"\u003e1J0121253AD, 1J0121253AT\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\u003e1999-2004 Volkswagen Jetta 2.8L VR6 (GL, GLS, GLX, GLI)\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 Mk4 Jetta?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 1999-2004 Volkswagen Jetta equipped with the \u003cstrong\u003e2.8L VR6\u003c\/strong\u003e engine. \u003cstrong\u003eThis product is specified for listed 2.8L VR6 models only; it is not a universal radiator and does not fit 2.0L, 1.8T, or 1.9L TDI models without custom modification.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to bleed the cooling system after installation?\u003c\/h4\u003e\n\u003cp\u003eYes, thoroughly flush the cooling circuit, refill with VW G12\/G13 compliant coolant, and purge all air pockets using a vacuum-fill tool or proper cycle procedure to prevent hotspot cavitation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Volkswagen Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eMaintain the strict thermal tolerances demanded by German engineering with an all-aluminum direct-fit replacement that delivers OEM-level fitment precision without check engine lights or mechanical compromises.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67553110884600,"sku":"DS-EAHFOOHQQ","price":177.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/radiator-for-volkswagen-jetta-1999-2004-2-8l-1.jpg?v=1790826584","url":"https:\/\/performancechiptuning.com\/fr\/products\/radiator-for-volkswagen-jetta-1999-2004-2-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}