{"product_id":"ignition-coil-and-iridium-spark-plugs-for-lincoln-navigator-2015-2017-3-5l","title":"Ignition Coil and Iridium Spark Plugs for Lincoln Navigator (2015-2017) 3.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil and Iridium Spark Plug Service Kit for 2015-2017 Lincoln Navigator\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory secondary ignition output and eliminates high-boost misfires across all six cylinders on the 3.5L EcoBoost platform.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Navigator Ignition Degradation\u003c\/h3\u003e\n\u003cp\u003eUnder heavy towing loads and forced induction cylinder pressures, the factory ignition coil boots and internal windings on the 3.5L EcoBoost degrade rapidly from prolonged thermal cycling. Micro-cracking in the OEM epoxy insulation causes internal dielectric breakdown and severe carbon tracking along the spark plug insulator. This secondary voltage bleed results in spark blowout under boost, rough idle, reduced fuel economy, and persistent P0300–P0306 diagnostic trouble codes.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-replacement ignition service pack pairs six heavy-duty ignition coils featuring high-grade electrolytic copper windings and high-temperature dielectric epoxy with six fine-wire iridium spark plugs. The reinforced silicone spark plug boots insulate against extreme cylinder head heat soak, while the fine-point iridium center electrodes maintain precise gap tolerances and deliver a concentrated, reliable spark kernel for complete fuel combustion under maximum manifold pressure.\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;\"\u003e2015-2017 Lincoln Navigator\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 EcoBoost V6 \/ U326\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;\"\u003e380 hp \/ 460 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;\"\u003eUF646, DG549, BL3Z-12029-A, BL3Z-12029-B, BL3Z-12029-C, IC749, 5C1871\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2015 Lincoln Navigator (Base, L) 3.5L V6 Twin-Turbo\u003c\/li\u003e\n  \u003cli\u003e2016 Lincoln Navigator (Base, L, Reserve, Select) 3.5L V6 Twin-Turbo\u003c\/li\u003e\n  \u003cli\u003e2017 Lincoln Navigator (Base, L, Reserve, Select) 3.5L V6 Twin-Turbo\u003c\/li\u003e\n  \u003cli\u003eOEM Interchange: UF646, UF-646, DG549, BL3Z-12029-A, BL3Z-12029-B, BL3Z-12029-C, IC749, 5C1871\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Lincoln Heavy-Duty Capability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to withstand heavy curb weights, sustained highway hauling, and high-load towing without spark deterioration or secondary ignition breakdown.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50430355636472,"sku":"DS-E4GS61OZW","price":109.95,"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-lincoln-navigator-2015-2017-3-5l-1.jpg?v=1788455667","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-lincoln-navigator-2015-2017-3-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}