{"product_id":"ignition-coil-spark-plugs-for-kia-spectra-2000-2004-1-8l","title":"Ignition Coil + Spark Plugs for Kia Spectra (2000-2004) 1.8L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Spark Plug Kit for 2000-2004 Kia Spectra\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition coil and spark plug service kit restores factory combustion efficiency on the 2000-2004 Kia Spectra by delivering stable secondary voltage to eliminate engine misfires, rough idle, and hesitation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Kia Spectra Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eFactory ignition coils mounted directly atop the cylinder head on the \u003cstrong\u003eSD\u003c\/strong\u003e chassis endure intense thermal cycling. Over extended mileage, the original epoxy insulation degrades within the coil housing, allowing dielectric breakdown, secondary winding short-circuits, and voltage leak to ground. Concurrently, factory spark plug gaps erode, elevating electrical resistance across the secondary ignition circuit. This combination overstresses the coil driver circuitry, producing erratic spark delivery, unburnt fuel wash, P0300–P0304 trouble codes, and sluggish throttle response on the \u003cstrong\u003eT8D\u003c\/strong\u003e 1.8L engine.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis ignition refresh kit pairs direct-replacement coils with precision-gapped spark plugs engineered to restore proper spark energy and flame kernel initiation. Built with high-temperature epoxy, vacuum-potted magnetic core laminations, and oil-resistant silicone boots, the coils resist micro-arcing and heat soak inside tight spark plug wells. Matched plugs provide consistent arc gap tolerances under full combustion chamber load, ensuring complete fuel burn, steady idle vacuum, and OEM-level ignition timing fidelity without requiring wire modifications.\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;\"\u003e2000-2004 Kia Spectra\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;\"\u003e\n\u003cstrong\u003eT8D\u003c\/strong\u003e 1.8L DOHC \/ \u003cstrong\u003eSD\u003c\/strong\u003e\n\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;\"\u003e124 hp \/ 119 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;\"\u003e\n\u003cstrong\u003eUF253\u003c\/strong\u003e, C1181, C-504, IC214, GN10307\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000 Kia Spectra 1.8L L4\u003c\/li\u003e\n  \u003cli\u003e2001 Kia Spectra 1.8L L4\u003c\/li\u003e\n  \u003cli\u003e2002 Kia Spectra 1.8L L4\u003c\/li\u003e\n  \u003cli\u003e2003 Kia Spectra 1.8L L4\u003c\/li\u003e\n  \u003cli\u003e2004 Kia Spectra 1.8L L4 (Base, GS, GSX, LS)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the SD Spectra?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2000-2004 Kia Spectra equipped with the \u003cstrong\u003eT8D\u003c\/strong\u003e engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eShould spark plug wires be replaced at the same time?\u003c\/strong\u003e\u003cbr\u003e Inspecting and renewing aging secondary spark plug wires is strongly recommended to prevent high resistance from damaging the new coil packs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Kia Commuter Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to withstand daily driving demands, this ignition overhaul component set delivers reliable cold-weather starting, clean hydrocarbon emissions, and smooth low-end torque reproduction for budget-conscious reliability.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50623691423992,"sku":"DS-EBP3C9AFN","price":81.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-spark-plugs-for-kia-spectra-2000-2004-1-8l-1.jpg?v=1790297704","url":"https:\/\/performancechiptuning.com\/fr\/products\/ignition-coil-spark-plugs-for-kia-spectra-2000-2004-1-8l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}