{"product_id":"ignition-coil-iridium-spark-plugs-for-chevrolet-equinox-2005-2009-3-4l","title":"Ignition Coil + Iridium Spark Plugs for Chevrolet Equinox (2005-2009) 3.4L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eDirect-Fit Ignition Coil Pack and Iridium Spark Plug Kit for 2005-2009 Chevrolet Equinox 3.4L (GM Theta \/ LNJ)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Ignition Coil Pack and Iridium Spark Plug Kit restores secondary ignition voltage and combustion efficiency on the 2005-2009 Chevrolet Equinox 3.4L to eliminate cylinder misfires, hesitation, and rough idle under load.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Equinox Thermal Breakdown \u0026amp; Coil Saturation Limit\u003c\/h3\u003e\n\u003cp\u003eThe transverse engine bay layout of the first-generation \u003cstrong\u003eGM Theta\u003c\/strong\u003e platform exposes the factory single-piece 6-tower ignition coil pack to intense radiant heat soak from the exhaust manifold. Over time, thermal cycling degrades the factory internal epoxy compound, precipitating dielectric breakdown and micro-arcing between the primary and secondary copper windings. Simultaneously, factory standard spark plug electrodes erode, expanding gap clearance and demanding excessive ionization voltage. This elevated electrical strain triggers coil saturation drops, weak arc delivery, and persistent \u003cstrong\u003eP0300\u003c\/strong\u003e to \u003cstrong\u003eP0306\u003c\/strong\u003e diagnostic trouble codes, leading to unburned fuel washing cylinder walls and catalytic converter degradation.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis matched ignition overhaul kit solves secondary ignition failure by pairing an updated 6-cylinder direct-fire coil pack with fine-wire \u003cstrong\u003eIridium\u003c\/strong\u003e spark plugs. The replacement pack features high-grade thermoplastic housing filled with high-dielectric epoxy vacuum-potted over high-permeability silicone steel laminations to block moisture ingress and prevent thermal insulation breakdown. The included \u003cstrong\u003eIridium\u003c\/strong\u003e spark plugs utilize laser-welded fine-wire center electrodes, requiring lower firing voltage to initiate combustion while resisting spark erosion, electrode rounding, and carbon fouling for stable flame kernel expansion.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\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;\"\u003e2005-2009 Chevrolet Equinox\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;\"\u003e3.4L LNJ V6 \/ GM Theta\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;\"\u003e185 hp \/ 210 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;\"\u003e12595088, 12568185, 12587153, UF434, 41-993, GN10408\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2005 Chevrolet Equinox LS \/ LT 3.4L V6 (LNJ)\u003c\/li\u003e\n  \u003cli\u003e2006 Chevrolet Equinox LS \/ LT 3.4L V6 (LNJ)\u003c\/li\u003e\n  \u003cli\u003e2007 Chevrolet Equinox LS \/ LT 3.4L V6 (LNJ)\u003c\/li\u003e\n  \u003cli\u003e2008 Chevrolet Equinox LS \/ LT 3.4L V6 (LNJ)\u003c\/li\u003e\n  \u003cli\u003e2009 Chevrolet Equinox LS \/ LT 3.4L V6 (LNJ)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this fit the Theta Equinox?\u003c\/strong\u003e\u003cbr\u003e Yes, this is a direct fit for the 2005-2009 Chevrolet Equinox equipped with the 3.4L LNJ engine.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre spark plug wires included with this kit?\u003c\/strong\u003e\u003cbr\u003e No, this kit includes the complete 6-tower coil pack and 6 iridium spark plugs; plug wires must be inspected and reused or replaced separately.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for consistent daily utility, maintaining sharp spark ignition on the GM 3.4L pushrod platform preserves low-end torque delivery and keeps fuel economy optimized under full cabin loads and highway cruising.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50625988198648,"sku":"DS-EX9EDGZJS","price":185.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/ignition-coil-iridium-spark-plugs-for-chevrolet-equinox-2005-2009-3-4l-1.jpg?v=1790353136","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-iridium-spark-plugs-for-chevrolet-equinox-2005-2009-3-4l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}