{"title":"Ignition Coils for Audi TT","description":"\u003ch2\u003eReplacement Ignition Coils Compatible with Audi TT\u003c\/h2\u003e\n\u003cp\u003eWhether tracking a sports coupe or maintaining daily drivability, worn ignition components trigger hesitation, rough idle, and flashing check engine lights under boost. Our catalog offers complete ignition coil and matched iridium spark plug kits for select Audi TT and TTS Quattro models, engineered to supply steady arc voltage through factory wiring harnesses.\u003c\/p\u003e\n\n\u003ch3\u003eSupported Audi TT Engines and Model Years\u003c\/h3\u003e\n\u003cp\u003eFitment covers select four-cylinder turbo and VR6 platforms. Check your specific engine configuration before ordering:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e1999–2006 TT (1.8L Turbo):\u003c\/strong\u003e Direct replacement coil packs and matched iridium plugs for first-generation turbocharged platforms.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2004–2009 TT (3.2L VR6):\u003c\/strong\u003e High-output individual ignition coils matched for the naturally aspirated 3.2-liter six-cylinder engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e2007–2020 TT \u0026amp; TTS Quattro (1.8L \u0026amp; 2.0L TSI\/TFSI):\u003c\/strong\u003e Multi-coil ignition sets calibrated for direct-injected, high-compression forced induction.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLooking for broader maintenance components? Explore our complete line of \u003ca href=\"\/collections\/audi-ignition\"\u003eignition parts for Audi\u003c\/a\u003e or pair fresh coils with a calibrated \u003ca href=\"\/collections\/audi-performance-tune\"\u003eperformance tune for Audi\u003c\/a\u003e to optimize ignition timing.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch3\u003eWhy do these kits include iridium spark plugs with the coils?\u003c\/h3\u003e\n\u003cp\u003eTurbocharged Audi 1.8L and 2.0L combustion chambers generate high cylinder pressures that wear plug electrodes over time. Pairing new coils with fresh iridium plugs ensures secondary circuit resistance matches factory tolerances, preventing newly installed coil packs from over-stressing.\u003c\/p\u003e\n\n\u003ch3\u003eWill new ignition coils fix P0300 and cylinder-specific misfire codes?\u003c\/h3\u003e\n\u003cp\u003eYes, provided the fault stems from ignition failure. Diagnostic trouble codes P0300 through P0304 (or P0306 on 3.2L VR6 models) commonly indicate failing internal windings or degraded rubber boots allowing spark to ground out against the cylinder head under boost.\u003c\/p\u003e\n\n\u003ch3\u003eDo I need to replace all Audi TT coil packs at the same time?\u003c\/h3\u003e\n\u003cp\u003eReplacing all coils together is strongly recommended. Because every ignition coil on the engine experiences identical thermal stress and vibration cycles, a failure on one cylinder usually signals that the remaining original coils are nearing the end of their service life.\u003c\/p\u003e","products":[{"product_id":"ignition-coil-spark-plugs-for-audi-tt-tts-quattro-2016-2018-2-0l-i4","title":"Ignition Coil \u0026 Spark Plugs for Audi TT TTS Quattro (2016-2018) 2.0L I4","description":"\u003ch2\u003eHigh-Output Ignition Coil \u0026amp; Spark Plug Kit for 2016-2018 Audi TT\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eDirect replacement ignition upgrade designed to eliminate high-load misfires and optimize combustion efficiency under boost.\u003c\/strong\u003e This comprehensive kit replaces degrading factory coils and plugs to restore smooth idle, eliminate hesitation, and support consistent power delivery in the EA888 engine.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock Audi TT Ignition Weakness\u003c\/h3\u003e\n  \u003cp\u003eThe factory 2.0L EA888 Gen 3 engine generates substantial under-hood temperatures, placing immense thermal stress directly on the top-mounted ignition coils. Over tens of thousands of miles, the OEM coil epoxy degrades and develops microscopic cracks, allowing voltage to arc to the cylinder head rather than bridging the spark plug gap. This voltage leak results in partial combustion, causing a rough idle, reduced fuel efficiency, and the notorious high-RPM misfire under heavy boost. Furthermore, standard factory spark plugs suffer from electrode wear and gap expansion under these elevated cylinder pressures, making it significantly harder for a weakened ignition coil to fire effectively.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis upgraded ignition package utilizes high-performance ruthenium spark plugs combined with premium ignition coils engineered for maximum voltage output. Ruthenium alloy technology provides exceptional durability, offering a higher melting point and vastly superior resistance to oxidation compared to traditional iridium or platinum components. This ensures the plug gap remains perfectly stable, completely eliminating spark blowout during peak boost pressures. The accompanying ignition coils are manufactured with high-dielectric epoxy resin and heavy-duty silicone boots to combat thermal breakdown. By maximizing spark energy and delivering it reliably to the combustion chamber without loss, this kit ensures complete atomized fuel ignition, crisper throttle response, and a perfectly stable idle even under aggressive driving conditions.\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;\"\u003e2016-2018 Audi TT \u0026amp; TTS Quattro\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;\"\u003e2.0L EA888 Gen 3 \/ 8S (Mk3)\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;\"\u003e220-292 hp \/ 258-280 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;\"\u003eIC780565710478109512504 \/ UF765\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2016 Audi TT Quattro 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2017 Audi TT Quattro 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2018 Audi TT Quattro 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2016 Audi TTS Quattro 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2017 Audi TTS Quattro 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2018 Audi TTS Quattro 2.0L I4\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n  \u003cp\u003eEngineered to meet stringent European mechanical tolerances, this ignition service kit ensures perfect direct-fit installation, delivering reliable, CEL-free performance and maintaining the refined power delivery expected from the MQB platform.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48434990973176,"sku":"DS-EPG6Z03ZV","price":189.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-audi-tt-tts-quattro-2016-2018-2-0l-i4-1.jpg?v=1779224574"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-tt-2019-2020-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Audi TT (2019-2020) 2.0L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2019-2020 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory ignition energy and combustion efficiency by replacing degraded coil packs and worn spark plugs with matched direct-fit components.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock TT Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe turbocharged EA888 Gen 3 engine generates substantial cylinder pressures and under-hood thermal loading. Over time, OEM coil housings suffer thermal fatigue, leading to micro-cracking in the epoxy insulation and internal copper winding degradation. Combined with widening spark plug gaps from electrode erosion, this creates high secondary resistance, resulting in intermittent high-load misfires, erratic idle quality, and premature spark blow-out.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete ignition service kit includes four high-dielectric coil-on-plug assemblies engineered with high-conductivity internal copper windings and durable blade terminals to resist thermal breakdown. Paired with fine-wire iridium spark plugs, the kit ensures low ignition voltage requirements, consistent arc stability under boost, and precise spark timing without triggering diagnostic trouble codes.\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;\"\u003e2019-2020 Audi TT (Base, S Line)\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;\"\u003e2.0L TFSI (EA888 Gen 3) \/ 8S (FV) 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;\"\u003e228 hp \/ 258 lb-ft (Approx)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Cross-Ref\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e06K905110C, 06K905110H, 06K905110G, 06K905110J, 06K905110K, 06L905110B, UF716\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2019 Audi TT Quattro 2.0L L4 Turbocharged (Coupe \/ Roadster)\u003c\/li\u003e\n  \u003cli\u003e2020 Audi TT Quattro 2.0L L4 Turbocharged (Coupe \/ Roadster)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European direct-injection requirements, these components maintain precise dwell times and factory electrical tolerances to deliver instant throttle response, optimized fuel burn, and zero check-engine lights.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50448854483192,"sku":"DS-E2WB3JLCJ","price":137.95,"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-tt-2019-2020-2-0l-1.jpg?v=1788661628"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-tt-2007-2014-2-0l","title":"Ignition Coil and Iridium Spark Plugs for Audi TT (2007-2014) 2.0L","description":"\u003ch2\u003eHigh-Dielectric Ignition Coil and Iridium Spark Plug Kit for 2007-2014 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eDirect-Fit Ignition Overhaul:\u003c\/strong\u003e Replaces degraded factory coil packs and fouled spark plugs to restore peak cylinder combustion pressure, eliminate intermittent misfires, and stabilize idle across all operating temperatures.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock TT Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe transverse turbocharged 2.0L engine in the 8J chassis generates intense cylinder head thermal cycling that degrades factory ignition components over time. Factory coil-on-plug assemblies suffer internal dielectric breakdown, micro-arcing, and thermal resistance increases within the copper primary windings. Coupled with worn factory electrode gaps under boost, this causes severe high-load misfires, hesitations, and unburned fuel delivery that risks catalytic converter degradation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit features four reinforced coil packs built with premium-grade internal copper windings and high-dielectric epoxy potting to resist thermal saturation and voltage leak. Paired with four fine-wire iridium spark plugs, the kit delivers a precise, high-energy spark kernel under high cylinder pressures. The durable iridium center electrodes minimize quenching and resist electrical erosion, while direct-fit factory-style blade connectors ensure positive retention and zero-resistance electrical continuity.\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;\"\u003e2007-2014 Audi TT\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;\"\u003e2.0L TFSI\/TSI (EA113 \/ EA888) \/ Typ 8J\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;\"\u003e200-211 hp \/ 207-258 lb-ft\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;\"\u003eUF575, UF529, 07K905715F, 07K905715D\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2007-2014 Audi TT Base \/ Quattro Coupe \u0026amp; Roadster 2.0L Turbo 4-Cylinder\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM \/ Interchange Numbers: UF575, UF-575, UF529, 07K905715D, 07K905715F, 07K905715C, L06F905115G, L07K905715F, 95860210200, 6739303, CLS1139, 5C1684, 921-2110, 5C1773\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact VAG electrical specifications, this direct-replacement ignition kit guarantees seamless ECU integration without check engine lights (CEL), providing clean flame propagation and consistent high-RPM performance.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451923501304,"sku":"DS-EMD1F86RX","price":79.95,"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-tt-2007-2014-2-0l-1.jpg?v=1788713473"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-tt-2011-2014-1-8l","title":"Ignition Coil and Iridium Spark Plugs for Audi TT (2011-2014) 1.8L","description":"\u003ch2\u003ePrecision-Matched Ignition Kit for 2011-2014 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores factory secondary ignition voltage and maintains precise combustion timing across the boost band for the 1.8L TFSI engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock TT Thermal Degradation and Secondary Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory coil packs on the Audi 8J chassis operate directly above the cylinder head in a compact, heat-dense engine bay. Over sustained heat cycles, the internal epoxy insulation degrades, causing micro-arcing, core resistance creep, and high-rpm misfires under boost. Standard copper or worn dual-metal spark plugs experience rapid gap erosion from high-pressure direct injection, leading to increased coil load, unburnt fuel wash, and catalytic converter stress.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis matched overhaul kit features four high-dielectric coil-on-plug assemblies built with high-conductivity internal copper windings and thermal-shock-resistant silicone boots to isolate spark discharge. Paired with four fine-wire iridium spark plugs, the setup lowers required firing voltage, provides extreme resistance to electrical erosion at operating temperatures exceeding 1,200°F, and stabilizes cold idle and wide-open throttle ignition profiles.\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;\"\u003e2011-2014 Audi TT\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;\"\u003e1.8L TFSI (EA888) \/ Type 8J\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;\"\u003e158 hp \/ 184 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;\"\u003eUF575, UF-575, 07K905715F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVehicles:\u003c\/strong\u003e 2011-2014 Audi TT 1.8L L4 4-Cylinder\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOE \/ Interchange Numbers:\u003c\/strong\u003e UF575, UF-575, UF529, 07K905715D, 07K905715F, 07K905715C, L06F905115G, L07K905715F, 95860210200, 6739303, CLS1139, 5C1684, 921-2110, 5C1773\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to match OEM ECU dwell-time mapping, this kit prevents CEL illumination, cylinder misfire trouble codes (P0300-P0304), and unmetered flame quenching without requiring ignition table modifications.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50451932676344,"sku":"DS-EG2AH4302","price":79.95,"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-tt-2011-2014-1-8l-1.jpg?v=1788713881"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-tt-2001-2006-1-8l","title":"Ignition Coil and Iridium Spark Plugs for Audi TT (2001-2006) 1.8L","description":"\u003ch2\u003eDirect-Fit Ignition Coil \u0026amp; Iridium Spark Plug Kit for 2001-2006 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Replaces degraded factory coil packs and worn spark plugs to eliminate misfires, restore lost combustion efficiency, and stabilize idle in transverse 1.8T engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock TT Coil Pack Heat-Soak Weakness\u003c\/h3\u003e\n\u003cp\u003eThe 1.8T 20V transverse layout places ignition components directly above the turbocharger manifold, subjecting the factory push-in coil packs to extreme thermal cycling. Over time, OEM insulation breaks down, causing internal secondary winding arcing, unmetered resistance increases, and erratic spark blowout under boost pressure. Worn standard plugs further increase required secondary voltage, accelerating coil failure and triggering continuous cylinder misfire codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service kit features four upgraded coil-on-plug units engineered with high-conductivity internal copper windings and reinforced thermoplastic housings to resist dielectric breakdown under high thermal loads. Paired with four fine-wire iridium-tipped spark plugs, the assembly provides superior resistance to electrode erosion, lowering the required firing voltage and ensuring a clean, sustained spark arc across the factory dwell map.\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;\"\u003e2001-2006 Audi TT \/ TT Quattro\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 20V (EA113) \/ Type 8N\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;\"\u003e180–225 hp \/ 173–207 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003e\u003cstrong\u003ePart Number \/ Interchange\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\u003e2001-2006 Audi TT Base 1.8L L4 Turbocharged (Coupe \u0026amp; Convertible)\u003c\/li\u003e\n  \u003cli\u003e2001-2006 Audi TT Quattro 1.8L L4 Turbocharged (180HP \/ 225HP Models)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet exact Bosch Motronic ME7 ECU timing and dwell parameters, this ignition setup prevents CEL trigger events while maintaining consistent high-rpm combustion stability in both stock and tuned boost applications.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452876919032,"sku":"DS-EDO9OSBD2","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-tt-2001-2006-1-8l-1.jpg?v=1788724083"},{"product_id":"ignition-coil-and-iridium-spark-plugs-for-audi-tt-1999-2000-1-8l","title":"Ignition Coil and Iridium Spark Plugs for Audi TT (1999-2000) 1.8L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 1999-2000 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrimary Function:\u003c\/strong\u003e Restores high-voltage ignition energy and combustion stability across all four cylinders in early 20V turbocharged engines.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock TT Thermal Degradation \u0026amp; Spark Blowout Weakness\u003c\/h3\u003e\n\u003cp\u003eThe compact engine bay of the transverse 1.8T 20V platform subjects factory coil-on-plug packs to intense thermal cycling and severe heat soak. Over time, OEM coil housings suffer microscopic dielectric breakdown and insulation failure, resulting in secondary voltage leakage and high-RPM misfires under boost. Additionally, standard copper or nickel spark plugs rapidly erode their gap in turbocharged combustion chambers, elevating required breakdown voltage and overstressing the primary ignition circuit.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service kit pairs reinforced coil-on-plug assemblies with high-efficiency fine-wire iridium spark plugs. Each ignition coil features high-grade electrolytic copper windings and direct-fit blade connectors sealed in high-dielectric epoxy to prevent internal arcing and heat-induced resistance spikes. The matched iridium plugs deliver precise thermal heat dissipation, ultra-fine spark kernel propagation, and superior erosion resistance, maintaining tight plug gaps under high cylinder pressures.\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;\"\u003e1999-2000 Audi TT\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 20V (EA113) \/ Typ 8N\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;\"\u003e180 hp \/ 173 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;\"\u003eUF274, UF-274\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1999 Audi TT Base Coupe 1.8L Turbo 4-Cylinder\u003c\/li\u003e\n  \u003cli\u003e2000 Audi TT Base Coupe 1.8L Turbo 4-Cylinder\u003c\/li\u003e\n  \u003cli\u003e2000 Audi TT Base Roadster 1.8L Turbo 4-Cylinder\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet stringent European OBD-II parameters, this direct-replacement ignition pack ensures smooth cold-start idling, crisp transient throttle response, and zero misfire-related CEL fault codes.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50456048140536,"sku":"DS-EJW2OMLOI","price":123.95,"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-tt-1999-2000-1-8l-1.jpg?v=1788757560"},{"product_id":"ignition-coil-iridium-spark-plugs-for-audi-tt-2004-2009-3-2l","title":"Ignition Coil + Iridium Spark Plugs for Audi TT (2004-2009) 3.2L","description":"\u003ch2\u003eHigh-Dielectric Ignition Coil and Iridium Plug Kit for 2004-2009 Audi TT\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The direct-fit ignition coil and iridium spark plug kit restores secondary ignition voltage and combustion efficiency across the 2004-2009 Audi TT 3.2L to eliminate cylinder misfires and erratic idle.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Audi TT Thermal Breakdown Problem\u003c\/h3\u003e\n\u003cp\u003eThe compact 15-degree cylinder angle of the naturally aspirated 3.2L \u003cstrong\u003eVR6 (EA390)\u003c\/strong\u003e platform causes significant thermal buildup in the cylinder head valleys where the factory ignition packs reside. Sustained thermal cycling causes the factory potting resin to crack and degrades the silicone boots, resulting in dielectric breakdown, high-voltage flashover, and arcing against the spark plug wells. Under heavy load or rapid throttle tip-in, this secondary ignition leakage triggers erratic combustion, sluggish acceleration, and persistent P0300 through P0306 diagnostic trouble codes. Concurrently, factory plugs suffer electrode erosion, increasing ignition resistance and overloading deteriorating coils.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis service kit resolves voltage drop by pairing six heavy-duty coil-on-plug units with fine-wire iridium spark plugs. Each ignition coil features high-purity electrolytic copper windings sealed in high-grade epoxy resin to prevent internal micro-arcing under high engine bay temperatures. Reinforced silicone elastomer boots resist oil contamination and dielectric punch-through. The included laser-welded iridium spark plugs utilize a 0.6mm fine-wire center electrode and platinum-inlaid ground strap, lowering the required firing voltage, promoting faster flame kernel propagation, and delivering consistent combustion across the entire RPM range without fouling.\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;\"\u003e2004-2009 Audi TT\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;\"\u003e3.2L VR6 (EA390 \/ BHE, BUB) \/ 8N, 8J\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;\"\u003e250 hp \/ 236 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;\"\u003e022905100B, 022905100E, 022905100H, 022905100L, 022905100P, 022905100S, 022905100T, UF531, UF556\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004-2006 Audi TT Quattro Base 3.2L VR6 Coupe \u0026amp; Roadster (Chassis: 8N)\u003c\/li\u003e\n  \u003cli\u003e2007-2009 Audi TT Quattro Base 3.2L VR6 Coupe \u0026amp; Roadster (Chassis: 8J)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the 8N and 8J TT?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2004-2009 Audi TT equipped with the 3.2L \u003cstrong\u003eVR6\u003c\/strong\u003e engine across both the \u003cstrong\u003e8N\u003c\/strong\u003e and \u003cstrong\u003e8J\u003c\/strong\u003e chassis generations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo these iridium spark plugs require manual gapping before installation?\u003c\/strong\u003e\u003cbr\u003e No, these plugs are factory pre-gapped for the 3.2L VR6 engine, and manual gapping should be avoided to prevent damaging the fragile fine-wire iridium tip.\u003c\/p\u003e\n\n\u003ch3\u003eThe Audi Precision Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to exact European electrical tolerances, this ignition service package delivers instantaneous ignition synchronization, restoring buttery-smooth idling, sharp throttle response, and clean combustion with zero CEL codes.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50623694831864,"sku":"DS-EIQFA288G","price":199.95,"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-tt-2004-2009-3-2l-1.jpg?v=1790298033"}],"url":"https:\/\/performancechiptuning.com\/collections\/audi-tt-ignition.oembed","provider":"Performance Chip Tuning","version":"1.0","type":"link"}