{"product_id":"ignition-coil-and-iridium-spark-plugs-for-hyundai-santa-fe-2003-2006-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Hyundai Santa Fe (2003-2006) 3.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2003-2006 Hyundai Santa Fe\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The ignition service kit restores factory combustion efficiency and eliminates secondary ignition misfires on the 2003-2006 Santa Fe by replacing degraded coils and worn electrodes with three direct-fit ignition coils and six matched iridium spark plugs.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Hyundai Santa Fe Secondary Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe 3.5L V6 utilizes a waste-spark ignition configuration where three pencil coils drive six cylinders via companion plug wires. Over sustained thermal cycling, the factory coil packs on the \u003cstrong\u003eHyundai SM\u003c\/strong\u003e chassis suffer internal dielectric breakdown, epoxy potting micro-fractures, and high-voltage arc-over. Paired with degraded factory copper or nickel plugs that suffer continuous electrode erosion and gap enlargement, the system places extreme secondary load on the coil windings. This manifests as cold-start shudder, rough idle under heavy electrical or A\/C load, hesitations under throttle tip-in, and lingering cylinder misfire codes (P0300 through P0306).\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive ignition service kit eliminates secondary ignition breakdown by upgrading to high-dielectric epoxy potting and precision-wound copper secondary windings capable of handling sustained heat soak in the tight transverse engine bay. The included fine-wire \u003cstrong\u003eiridium spark plugs\u003c\/strong\u003e feature laser-welded iridium-alloy center electrodes with high-purity alumina ceramic insulators. This ultra-dense tip design drastically lowers required firing voltage, accelerates flame-kernel expansion, and resists carbon fouling under rich-mixture conditions. Engineered to direct OEM tolerances, the coil boots utilize heat-resistant silicone jackets to arrest high-voltage trace leakage and protect against premature spark flashover.\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;\"\u003e2003-2006 Hyundai Santa Fe\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\u003eSigma G6CU\u003c\/strong\u003e (3.5L V6) \/ \u003cstrong\u003eSM\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;\"\u003e195 hp \/ 219 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\u003eUF439\u003c\/strong\u003e, \u003cstrong\u003e06C905115A\u003c\/strong\u003e, \u003cstrong\u003e06C905115B\u003c\/strong\u003e, \u003cstrong\u003e06C905115D\u003c\/strong\u003e, \u003cstrong\u003e06C905115E\u003c\/strong\u003e, MPN: \u003cstrong\u003eKIN119959TOP\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2003 Hyundai Santa Fe GLS 3.5L V6 (G6CU)\u003c\/li\u003e\n  \u003cli\u003e2004 Hyundai Santa Fe GLS 3.5L V6 (G6CU)\u003c\/li\u003e\n  \u003cli\u003e2005 Hyundai Santa Fe GLS 3.5L V6 (G6CU)\u003c\/li\u003e\n  \u003cli\u003e2005 Hyundai Santa Fe Limited 3.5L V6 (G6CU)\u003c\/li\u003e\n  \u003cli\u003e2006 Hyundai Santa Fe GLS 3.5L V6 (G6CU)\u003c\/li\u003e\n  \u003cli\u003e2006 Hyundai Santa Fe Limited 3.5L V6 (G6CU)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the SM Santa Fe?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2003-2006 Hyundai Santa Fe equipped with the \u003cstrong\u003eSigma G6CU\u003c\/strong\u003e 3.5L V6 engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the iridium spark plugs pre-gapped for the 3.5L Sigma waste-spark system?\u003c\/strong\u003e\u003cbr\u003e Yes, the plugs arrive factory-gapped to OEM specification, requiring no mechanical gap adjustment prior to installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Hyundai Utility Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt for the daily demands of family hauling, steep grades, and all-weather commute duties, these heavy-duty ignition components deliver reliable cold-weather starting and stable combustion under maximum payload conditions.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50605997228280,"sku":"DS-EMZG0CCHA","price":85.95,"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-hyundai-santa-fe-2003-2006-3-5l-1.jpg?v=1790090114","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-hyundai-santa-fe-2003-2006-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}