{"product_id":"ena-iridium-spark-plug-ignition-coil-kit-set-of-6-plugs-6-coils-uf550-compatible-direct-fit-for-3-5l-v6-nissan-infiniti","title":"ENA Iridium Spark Plug \u0026 Ignition Coil Kit — Set of 6 Plugs + 6 Coils, UF550-Compatible Direct-Fit for 3.5L V6 Nissan\/Infiniti","description":"\u003cstrong\u003eENA offers a complete replacement kit: six iridium spark plugs plus six ignition coil packs engineered to fit 3.5L V6 Nissan and Infiniti models as a UF550-compatible aftermarket solution.\u003c\/strong\u003e\n\n\u003cp\u003eIf your 3.5L V6 Nissan or Infiniti is due for ignition service, this ENA kit supplies both high-performance iridium plugs and matched coil packs in one package. Built for direct-fit replacement, the components are engineered to meet original equipment form, fit, and function while delivering long life, straightforward installation, and dependable operation under typical driving conditions.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engines will this ENA kit fit?\u003c\/h3\u003e\n\u003cp\u003eThis set is designed for a wide range of Nissan and Infiniti 3.5L V6 applications. It covers many model years of Maxima, Murano, Pathfinder, Altima, Infiniti Q50, QX60, FX35 and others listed by the manufacturer, ensuring compatibility where UF550-style spark plugs and matching coil packs are specified.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eInfiniti: EX35, FX35, G25\/G35, JX35, M35\/M35h, Q50, Q70, QX60 (specific years noted by ENA)\u003c\/li\u003e\n  \u003cli\u003eNissan: 350Z, Altima, Maxima, Murano, Pathfinder, Quest across compatible model years\u003c\/li\u003e\n  \u003cli\u003eReplacement references: UF550, C1670, 22448-JA10C, IC630 and similar part numbers\u003c\/li\u003e\n  \u003cli\u003eAlways verify fit by checking vehicle year, engine code, or using your vehicle’s parts lookup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do the iridium plugs and coil packs affect performance and service life?\u003c\/h3\u003e\n\u003cp\u003eIridium spark plugs use a fine center electrode that promotes consistent ignition and longer electrode life compared with standard copper plugs. When paired with fresh, matched coil packs, you get steadier spark delivery, improved cold starts, and reduced misfire risk when components are installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger electrode life thanks to iridium construction\u003c\/li\u003e\n  \u003cli\u003eImproved spark consistency for smoother idle and throttle response\u003c\/li\u003e\n  \u003cli\u003eReduced need for frequent replacements compared with lower-grade plugs\u003c\/li\u003e\n  \u003cli\u003eMatched coils help ensure proper ignition timing and cylinder performance\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and maintenance?\u003c\/h3\u003e\n\u003cp\u003eENA designs these parts for direct replacement, so installation is typically straightforward for anyone with basic automotive tools and mechanical confidence. Torque spark plugs to the vehicle manufacturer’s specification and inspect wiring harnesses; replace one cylinder at a time to avoid mix-ups and ensure correct coil orientation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eQuick swap procedure with direct-fit connectors and plug threads\u003c\/li\u003e\n  \u003cli\u003eRecommended: use a torque wrench and dielectric grease on coil boots if specified\u003c\/li\u003e\n  \u003cli\u003eInspect ignition harness and boot seals during installation for best reliability\u003c\/li\u003e\n  \u003cli\u003eFollow manufacturer torque settings and gap specifications if re-gapping is necessary\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty and part references come with the ENA kit?\u003c\/h3\u003e\n\u003cp\u003eENA backs this kit with a 24-month warranty for peace of mind against manufacturing defects. The kit lists multiple cross-reference part numbers to help confirm compatibility with original equipment and dealer parts catalogs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e24-month limited warranty from ENA\u003c\/li\u003e\n  \u003cli\u003eCross-references include UF550, 22448-JA10C, IC630 and others for verification\u003c\/li\u003e\n  \u003cli\u003eRecommended to confirm compatibility using year\/model\/engine lookup tools before purchase\u003c\/li\u003e\n  \u003cli\u003eReplacement set includes six iridium plugs and six coil packs for full-bank service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: drivers and DIY mechanics who own Nissan or Infiniti vehicles powered by a 3.5L V6 and need a full ignition-bank refresh. This ENA set is suitable for those replacing worn plugs and coils at scheduled service intervals, addressing misfires, or upgrading to longer-lasting iridium technology, and for professional shops seeking a complete, direct-fit aftermarket kit.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this kit fit my 2016 Infiniti Q50 3.5L V6?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the ENA set lists compatibility with 2014–2018 Q50 3.5L models, but verify with your vehicle VIN or parts lookup.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do the plugs come pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Iridium plugs often come pre-gapped, but check and adjust to your manufacturer’s specification before installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"ENA","offers":[{"title":"Default Title","offer_id":48082607276190,"sku":"B07MWDM1LF","price":124.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ena-front-packaging_d69549ee-f540-4b77-a571-ac7120d9a116.jpg?v=1785811637","url":"https:\/\/northtrailauto.ca\/products\/ena-iridium-spark-plug-ignition-coil-kit-set-of-6-plugs-6-coils-uf550-compatible-direct-fit-for-3-5l-v6-nissan-infiniti","provider":"North Trail Auto","version":"1.0","type":"link"}