{"product_id":"ignition-coil-spark-plugs-for-volkswagen-jetta-2014-2018-1-8l-2-0l-i4","title":"Ignition Coil \u0026 Spark Plugs for Volkswagen Jetta (2014-2018) 1.8L 2.0L I4","description":"\u003ch2\u003eDirect-Replacement Ignition Coil \u0026amp; Spark Plugs for 2014-2018 Volkswagen Jetta\u003c\/h2\u003e\n  \n  \u003cp\u003e\u003cstrong\u003eWhat it is:\u003c\/strong\u003e A complete set of four heavy-duty ignition coils and four high-performance ruthenium spark plugs designed to restore factory ignition performance and eliminate misfires on Mk6 Jettas.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Stock Jetta Thermal Degradation Problem\u003c\/h3\u003e\n  \u003cp\u003eThe OEM Volkswagen EA888 ignition coils are notorious for premature degradation, especially under increased thermal loads or higher boost pressures. Over time, the internal coil windings succumb to severe heat soak generated by the cast iron engine block and localized cylinder head temperatures. This thermal breakdown increases electrical resistance, leading to weak spark energy, inconsistent combustion, and the dreaded flashing Check Engine Light (CEL) associated with cylinder misfires (P0300-P0304). Additionally, factory iridium or platinum plugs wear down their center electrodes over tens of thousands of miles, increasing the spark gap and forcing the coil packs to work even harder, accelerating the failure loop.\u003c\/p\u003e\n  \n  \u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n  \u003cp\u003eThis ignition upgrade kit interrupts the failure cycle by utilizing heavy-duty ignition coils paired with advanced ruthenium-tipped spark plugs. The coils feature reinforced internal copper windings and high-temperature epoxy potting, which effectively isolates the circuitry from engine bay heat soak and high-frequency harmonic vibrations. This ensures a consistent, high-voltage energy transfer to the plug even during sustained high-rpm loads. Complementing the coils, the included ruthenium spark plugs offer vastly superior oxidation resistance and structural integrity compared to standard iridium or platinum. Ruthenium's high melting point allows for a more concentrated spark across a highly stable gap, promoting a complete fuel burn, smoother idle, improved throttle response, and robust defense against carbon 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;\"\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;\"\u003e2014-2018 Volkswagen Jetta\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;\"\u003eEA888 1.8L \u0026amp; 2.0L I4 \/ Mk6\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;\"\u003e170-210 hp \/ 184-207 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 (Interchange: UF765, UF716, C1847)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n \n  \u003ch3\u003eCompatibility\u003c\/h3\u003e\n  \u003cul\u003e\n    \u003cli\u003e2014 Volkswagen Jetta 1.8L I4\u003c\/li\u003e\n    \u003cli\u003e2015 Volkswagen Jetta 1.8L I4\u003c\/li\u003e\n    \u003cli\u003e2016 Volkswagen Jetta 1.8L I4\u003c\/li\u003e\n    \u003cli\u003e2017 Volkswagen Jetta 1.8L I4\u003c\/li\u003e\n    \u003cli\u003e2018 Volkswagen Jetta 1.8L I4\u003c\/li\u003e\n    \u003cli\u003e2014 Volkswagen Jetta 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2015 Volkswagen Jetta 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2016 Volkswagen Jetta 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2017 Volkswagen Jetta 2.0L I4\u003c\/li\u003e\n    \u003cli\u003e2018 Volkswagen Jetta 2.0L I4\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch3\u003eThe Euro Calibration Standard\u003c\/h3\u003e\n  \u003cp\u003eGerman-engineered powertrains demand precision ignition timing and reliable voltage. This kit guarantees clean combustion and reliable starts without triggering frustrating CEL codes or experiencing timing pulls under heavy engine load.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":48435032359160,"sku":"DS-E4FO597KY","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-volkswagen-jetta-2014-2018-1-8l-2-0l-i4-1.jpg?v=1779224711","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-spark-plugs-for-volkswagen-jetta-2014-2018-1-8l-2-0l-i4","provider":"Performance Chip Tuning","version":"1.0","type":"link"}