{"product_id":"ignition-coil-iridium-spark-plugs-for-audi-a4-quattro-2002-2005-3-0l-v6","title":"Ignition Coil \u0026 Iridium Spark Plugs for Audi A4 Quattro (2002-2005) 3.0L V6","description":"\u003ch2\u003eDirect-Replacement Ignition Coil \u0026amp; Iridium Spark Plugs for 2002-2005 Audi A4\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eRestores proper combustion and eliminates misfire codes on the 3.0L V6.\u003c\/strong\u003e This complete ignition service kit replaces failing factory coils and worn plugs to resolve rough idle, poor fuel economy, and power loss associated with degraded secondary ignition systems.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock A4 Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eThe AVK 3.0L V6 engine in the B6 chassis is notorious for ignition coil degradation due to extreme heat soak within the tight cylinder head valley. Factory coil packs suffer from thermal cycling, leading to micro-cracking in the epoxy resin and subsequent voltage leaks. High-voltage energy arcs to the cylinder head rather than jumping the plug gap. This causes multi-cylinder misfires, raw fuel dumping into the catalytic converters, and triggers a flashing CEL. Paired with standard plugs that erode quickly under high-stress conditions, the stock setup requires frequent intervention to maintain baseline efficiency.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis kit provides six upgraded ignition coils paired with high-performance iridium spark plugs to overhaul the AVK ignition system. The redesigned coils feature high-grade silicone boots and reinforced epoxy resin potting that resists thermal breakdown, ensuring consistent voltage output under extreme engine temperatures. Upgraded internal copper windings deliver a stronger spark. The included iridium spark plugs utilize an ultra-fine wire center electrode that requires less voltage to fire while resisting gap erosion. This translates to an intensified spark kernel and a more complete combustion cycle. The result is a stabilized idle, restored throttle response, and robust protection against premature coil failure.\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;\"\u003e2002-2005 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;\"\u003eAVK 3.0L V6 \/ B6\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;\"\u003e220 hp \/ 221 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;\"\u003eIC78056553067810376406 \/ UF-483\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2002-2005 Audi A4 3.0L V6\u003c\/li\u003e\n  \u003cli\u003e2002-2005 Audi A4 Quattro 3.0L V6\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European tolerance standards, this ignition kit drops into the B6 engine bay with zero modifications. By delivering consistent, high-voltage spark energy, it ensures smooth power delivery and keeps your 3.0L V6 running precisely without triggering a stubborn check engine light.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48432973545720,"sku":"DS-EH3BJ6N7Z","price":219.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-audi-a4-quattro-2002-2005-3-0l-v6-1.webp?v=1779217074","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-iridium-spark-plugs-for-audi-a4-quattro-2002-2005-3-0l-v6","provider":"Performance Chip Tuning","version":"1.0","type":"link"}