{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-a4-2001-2007-1-8l","title":"Ignition Coil and Iridium Spark Plugs for Audi A4 (2001-2007) 1.8L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2001-2007 Audi A4\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory ignition energy and high-rpm spark stability by replacing degraded factory coil-on-plug assemblies and worn spark plugs on the 1.8L turbocharged platform.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock A4 Ignition Degradation Under Boost\u003c\/h3\u003e\n\u003cp\u003eThe EA113 20V turbo engine subjects ignition coils to extreme thermal loading within the narrow valve cover channel. Factory coil packs suffer from internal dielectric breakdown and secondary winding insulation failure due to continuous thermal cycling. Over time, heat soak causes micro-cracking in the epoxy and boot degradation, leading to high-voltage leakage, erratic spark blowout under boost, cylinder misfires, and rough idle conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit restores factory dwell performance and secondary voltage output. The four direct-fit coil assemblies feature heavy-duty internal copper windings, durable blade terminals, and heat-resistant silicone boots to prevent voltage tracking. Paired with four fine-wire iridium spark plugs, this setup reduces required firing voltage, provides exceptional thermal dissipation, resists carbon fouling, and ensures consistent combustion under elevated manifold pressure.\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;\"\u003e2001-2007 Audi A4\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;\"\u003e1.8T EA113 (20V) \/ B6 \u0026amp; B7 Chassis\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;\"\u003e170 hp \/ 166 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;\"\u003eUF411, 06A905115\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2001-2007 Audi A4 1.8L L4 Turbocharged\u003c\/li\u003e\n  \u003cli\u003e2001-2007 Audi A4 Quattro 1.8L L4 Turbocharged\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to match strict European electrical parameters, this direct-fit ignition package guarantees exact OE signal communication with the Bosch Motronic ECU, eliminating misfire-related Check Engine Lights (CEL) while maintaining smooth, reliable combustion.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452878131448,"sku":"DS-E0GM0V6RM","price":100.95,"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-audi-a4-2001-2007-1-8l-1.jpg?v=1788724140","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-audi-a4-2001-2007-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}