{"product_id":"ignition-coil-and-iridium-spark-plugs-for-nissan-frontier-2005-2019-2-5l","title":"Ignition Coil and Iridium Spark Plugs for Nissan Frontier (2005-2019) 2.5L","description":"\u003ch2\u003eDirect-Fit Ignition Coil \u0026amp; Iridium Spark Plug Service Kit for 2005-2019 Nissan Frontier\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e Restores factory secondary ignition output and combustion efficiency across all four cylinders to resolve misfires, rough idle, and unburned hydrocarbon emissions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Frontier Secondary Ignition Breakdown\u003c\/h3\u003e\n\u003cp\u003eThe factory coil-on-plug modules on the QR25DE engine endure severe thermal cycling within the recessed cylinder head plug wells. Over extended mileage, sustained heat soak degrades internal epoxy insulation and copper wire winding integrity. This causes high-voltage dielectric breakdown, intermittent spark blowout under load, and common P0300-P0304 misfire diagnostic codes. Concurrently, worn factory spark plugs widen the gap, placing excessive current demand on aging ignition coils.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete ignition kit features direct-fit coil packs engineered with high-purity internal copper windings, durable thermoplastic housings, and factory-correct blade connectors for optimal electrical conductivity. Paired with fine-wire iridium spark plugs, the setup requires lower arc voltage while providing high thermal resistance and dependable flame kernel development. The result is balanced cylinder combustion, crisp throttle response, and extended service intervals.\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;\"\u003e2005-2019 Nissan Frontier\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;\"\u003eQR25DE 2.5L I4 \/ D40\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;\"\u003e152 hp \/ 171 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;\"\u003eUF549 \/ UF-549\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2005-2019 Nissan Frontier King Cab (2.5L I4 QR25DE)\u003c\/li\u003e\n  \u003cli\u003e2005-2019 Nissan Frontier Base, S, SV, XE Trims (2.5L I4 QR25DE)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eThe Nissan Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to withstand daily fleet, utility, and hauling workloads without thermal degradation or ignition signal loss.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":50452222509304,"sku":"DS-EBLIBSC4X","price":78.95,"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-nissan-frontier-2005-2019-2-5l-1.jpg?v=1788721149","url":"https:\/\/performancechiptuning.com\/es\/products\/ignition-coil-and-iridium-spark-plugs-for-nissan-frontier-2005-2019-2-5l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}