{"product_id":"ignition-coil-and-iridium-spark-plugs-for-mercury-sable-2008-2009-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Mercury Sable (2008-2009) 3.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Kit for 2008-2009 Mercury Sable\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory secondary ignition voltage and combustion efficiency across all six cylinders to resolve misfires, hesitation, and unstable idle in the 3.5L V6.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Sable Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eThe factory coil-on-plug (COP) units in the 3.5L Duratec engine bay are subjected to continuous thermal cycling within deep cylinder head wells. Over time, OEM epoxy potting degrades and silicone insulator boots harden, leading to dielectric breakdown, micro-arcing, and internal copper winding degradation. Compounded by widened gaps from worn factory plugs, the ignition system struggles to jump the gap under load, resulting in P0300–P0306 DTC misfire codes, rough running, and premature catalytic converter degradation from unburnt hydrocarbons.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis full tune-up kit replaces worn ignition components with six heavy-duty coil packs featuring high-conductivity electrolytic copper windings encased in high-grade dielectric epoxy for maximum resistance to thermal breakdown. Paired with six fine-wire iridium spark plugs, the assembly lowers the required firing voltage while generating a hotter, more stable flame kernel. Direct-fit blade terminals and heavy-duty silicone boots provide sealed connections against moisture and 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;\"\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;\"\u003e2008-2009 Mercury Sable\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;\"\u003e3.5L Duratec 35 (Cyclone) \/ D3 Platform\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;\"\u003e263 hp \/ 249 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;\"\u003eUF553, UF-553, DG520\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2008 Mercury Sable 3.5L V6 (Base, Premier - FWD \/ AWD)\u003c\/li\u003e\n  \u003cli\u003e2009 Mercury Sable 3.5L V6 (Base, Premier - FWD \/ AWD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Mercury Reliability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet OE operational parameters, this kit ensures stable closed-loop fuel trims, smooth acceleration, and zero check-engine lights for dependable daily commuting.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452142915832,"sku":"DS-EXZGSOXS7","price":104.95,"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-mercury-sable-2008-2009-3-5l-1.jpg?v=1788718520","url":"https:\/\/performancechiptuning.com\/products\/ignition-coil-and-iridium-spark-plugs-for-mercury-sable-2008-2009-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}