{"product_id":"a-premium-ignition-coil-iridium-spark-plug-kit-set-of-4-for-nissan-infiniti-bolt-on-oem-fit","title":"A-Premium Ignition Coil \u0026 Iridium Spark Plug Kit, Set of 4 for Nissan\/Infiniti — Bolt-On OEM Fit","description":"\u003cp\u003e\u003cstrong\u003eA-Premium Set of 4 ignition coils paired with iridium spark plugs delivers reliable spark performance for compatible Nissan and Infiniti engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis plug-and-play kit combines four bolt-on ignition coils with four iridium-tipped spark plugs designed to meet factory specifications for a broad range of Nissan and Infiniti models. The components are engineered to the listed resistances, terminal types, and thread dimensions so you can replace worn parts with a matched set that restores consistent firing and helps maintain smooth idle, dependable starts, and steady throttle response.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this ignition coil and spark plug kit fit?\u003c\/h3\u003e\n\u003cp\u003eThe set covers many Nissan passenger and light-commercial models from the late 2000s through the 2010s, plus select Infiniti V6 applications. Check your OEM reference number against the included cross-references to confirm compatibility before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCommon Nissan fits: Altima, Sentra, Rogue, X-Trail, Versa, March, Tiida, Cube, NP300\/Frontier, Pathfinder, Urvan\u003c\/li\u003e\n  \u003cli\u003eInfiniti models: FX50, M56, Q70\/Q70L, QX60, QX70\u003c\/li\u003e\n  \u003cli\u003eReference numbers included: UF-549, 22448-ED000, 22448-JA00A\/C and manufacturer cross-codes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow are these coils and plugs constructed and what are the specs?\u003c\/h3\u003e\n\u003cp\u003eThe coils use a three-terminal design with blade-style terminals and bolt-on mounting to the valve cover, matching original equipment mounting and electrical fit. The iridium plugs use a nickel body with a fine iridium center electrode for reliable ignition and extended life compared with conventional copper plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCoil terminals: 3; terminal type: blade; mount type: bolt-on\u003c\/li\u003e\n  \u003cli\u003eSpark plug material: iridium on a nickel body; gap: 1.0–1.1 in\u003c\/li\u003e\n  \u003cli\u003eThread diameter: 12 mm; recommended installation torque: 15–20 N·m\u003c\/li\u003e\n  \u003cli\u003eSecondary coil resistance: approximately 3–12 kΩ\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat benefits can I expect after installing this matched set?\u003c\/h3\u003e\n\u003cp\u003eReplacing ignition coils and plugs as a matched set brings back uniform spark delivery to each cylinder, which can reduce misfires and uneven idling caused by aging components. While outcomes vary by engine condition, a fresh matched kit makes troubleshooting easier and prevents mismatched component wear between new and old parts.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproved ignition consistency across all cylinders\u003c\/li\u003e\n  \u003cli\u003eEasier diagnosis when performing tune-ups or resolving misfires\u003c\/li\u003e\n  \u003cli\u003eDurable iridium electrodes for longer service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow simple is the installation and what should I prepare?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine maintenance: remove the old coils and plugs, torque the new plugs to specification, and secure the coil packs to the valve cover. Use the included vehicle-fit references and OEM torque values to avoid over-tightening and ensure correct electrical mating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools needed: ratchet, spark-plug socket, extension, torque wrench\u003c\/li\u003e\n  \u003cli\u003eTorque spec for plugs: 15–20 N·m; ensure clean threads before installation\u003c\/li\u003e\n  \u003cli\u003eDisconnect battery negative terminal for added safety during replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This A-Premium 4-coil and 4-iridium-plug kit is aimed at DIY mechanics, independent repair shops, and vehicle owners who need a matched replacement for ignition components on compatible Nissan and Infiniti models. It is ideal if you want a complete, OEM-style swap with a one-year unlimited-mileage warranty backing the parts.\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: Does this kit include all parts for four cylinders?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the package contains four ignition coils and four iridium spark plugs, enough for a four-cylinder replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty with the A-Premium kit?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — A-Premium provides a one-year unlimited-mileage guarantee for these ignition coils and spark plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"A-Premium","offers":[{"title":"Default Title","offer_id":67586799730873,"sku":"B09M9W2R6M","price":163.1,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/a-premium-front-packaging_722d58b8-eb73-439f-a963-7d1866b5d99e.jpg?v=1790493288","url":"https:\/\/redleafauto.ca\/products\/a-premium-ignition-coil-iridium-spark-plug-kit-set-of-4-for-nissan-infiniti-bolt-on-oem-fit","provider":"Redleaf Auto","version":"1.0","type":"link"}