{"product_id":"ignition-coil-and-iridium-spark-plugs-for-volkswagen-golf-jetta-1999-2002-2-8l","title":"Ignition Coil and Iridium Spark Plugs for Volkswagen Golf Jetta (1999-2002) 2.8L","description":"\u003ch2\u003eDirect-Fit Ignition Coil Pack and Iridium Spark Plug Kit for 1999-2002 Volkswagen Golf,Jetta\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil and Iridium Spark Plug Kit replaces failing secondary ignition components on the 1999-2002 Volkswagen Golf and Jetta 2.8L to eliminate high-load misfires and restore complete combustion efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Volkswagen Golf,Jetta Ignition Cassette Failure\u003c\/h3\u003e\n\u003cp\u003eThe factory multi-tower ignition coil on the \u003cstrong\u003eMk4\u003c\/strong\u003e platform with the \u003cstrong\u003e2.8L 12V AFP VR6\u003c\/strong\u003e is mounted in a high-temperature zone directly adjacent to the cylinder head. Continuous thermal cycling and engine vibration cause the stock thermoplastic shell and internal epoxy potting to develop microscopic hairline fissures. These fractures allow moisture intrusion, resulting in high-voltage secondary arcing directly to the engine block. The resulting voltage drop causes random and cylinder-specific misfires (DTCs P0300 through P0306), catalytic converter overheating from unburnt fuel, and erratic idle stability. Furthermore, aged factory spark plugs suffer from accelerated ground electrode erosion, raising the required firing voltage and overstressing the aged coil driver circuits.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis refresh package pairs a high-dielectric multi-tower ignition coil cassette with six fine-wire iridium core spark plugs. The coil housing uses heat-stabilized PBT polymer and high-grade void-free epoxy encapsulation to eliminate internal discharge, dielectric breakdown, and external tracking under severe thermal loads. Precision-wound copper windings deliver consistent spark duration across all six towers. Paired with 0.6mm laser-welded iridium electrode spark plugs, the kit reduces electrical resistance and ignition voltage demand. The narrow electrode profile reduces flame kernel quenching, providing rapid flame front propagation across the 15-degree VR6 combustion chamber.\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;\"\u003e1999-2002 Volkswagen Golf, 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 AFP VR6 \/ Mk4 (A4, Typ 1J\/1M)\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 hp \/ 181 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;\"\u003eUF338, L3G218100A, L3G218100B, L3K918100A, L3K918100B, KIN119972TOP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999-2002 Volkswagen Golf GTI GLX 2.8L VR6 (12-Valve AFP)\u003c\/li\u003e\n  \u003cli\u003e1999-2002 Volkswagen Jetta GLX \/ GLS 2.8L VR6 (12-Valve AFP)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the Mk4 Golf,Jetta?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 1999-2002 Volkswagen Golf and Jetta equipped with the 2.8L 12V AFP VR6 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these iridium spark plugs require manual gapping prior to installation?\u003c\/strong\u003e\u003cbr\u003e No, these iridium plugs are factory pre-gapped, and mechanical gapping should be avoided to prevent fracturing the laser-welded fine-wire center electrode.\u003c\/p\u003e\n\n\u003ch3\u003eThe Volkswagen Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eCalibrated specifically for European engine management tolerances, this ignition system operates within the strict resistance limits required by Bosch Motronic engine control units, guaranteeing accurate secondary feedback and zero unwarranted check engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50605963346168,"sku":"DS-EG8PUBQPO","price":68.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-and-iridium-spark-plugs-for-volkswagen-golf-jetta-1999-2002-2-8l-1.jpg?v=1790090077","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-volkswagen-golf-jetta-1999-2002-2-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}