{"product_id":"set-of-6-ignition-coil-pack-and-spark-plugs-for-nissan-vehicles","title":"Ignition Coil Pack and Spark Plugs Set for Nissan 3.5L V6 - Reliable","description":"\u003cp\u003eIn this review the IgnitionDoctor combo of six ignition coil packs and spark plugs is judged for owners of Nissan, Infiniti and Suzuki vehicles that use the 3.5L or 4.0L V6 engines. The bottom line: this kit is for DIYers and independent shops who want an OEM-compatible replacement that can restore smoother idling and reduce hard starts. The set replaces several factory part numbers and comes pre-gapped, so installation is straightforward for anyone comfortable with basic engine work and looking for a cost-effective performance refresh.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide Compatibility:\u003c\/strong\u003e Designed to fit many Nissan, Infiniti and Suzuki V6 models so buyers can cover multiple vehicles with one part number list.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit Design:\u003c\/strong\u003e Coils and plugs are made for OEM compatibility, which simplifies installation and reduces the chance of fitment issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eImproved Engine Response:\u003c\/strong\u003e The combination aims to reduce long crank times and hard starts, producing smoother idling and more consistent power delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePre-gapped Spark Plugs:\u003c\/strong\u003e Plugs arrive pre-gapped to meet or exceed factory specs, saving time during the tune-up and reducing setup errors.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurability Focus:\u003c\/strong\u003e Built with premium materials for long-term use and consistent performance under typical driving conditions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOne-Year Warranty:\u003c\/strong\u003e Includes a 1-year warranty and seller support for peace of mind after purchase.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis set is best for owners of compatible models such as Nissan Altima, Maxima, Murano, Pathfinder, Xterra, Frontier, and Infiniti I35 or QX4 who need a full ignition refresh. It suits DIY mechanics who prefer to replace all six coils and plugs at once to restore firing balance and fuel economy.\u003c\/p\u003e\n\u003cp\u003eIt is also appropriate for independent shops performing routine maintenance or troubleshooting misfires. Those who need exact OE branded parts for warranty preservation or who require verified long-term field reliability data may prefer factory original parts instead.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRestores smoother idle and reduces hard starting in many V6 Nissan and Infiniti engines.\u003c\/li\u003e\n\u003cli\u003ePre-gapped spark plugs and direct-fit coils make installation faster and simpler.\u003c\/li\u003e\n\u003cli\u003eReplaces multiple OE part numbers, simplifying part sourcing across model years.\u003c\/li\u003e\n\u003cli\u003eIncludes a 1-year warranty and seller support for buyer confidence.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eSome customers reported occasional wrong spark plugs or mixed durability results, so inspect parts on arrival.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eIGNITIONDOCTOR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eNissan, Infiniti, Suzuki V6 models (3.5L and 4.0L as listed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eContains\u003c\/td\u003e\n\u003ctd\u003e6 ignition coil packs and 6 spark plugs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReplaces\u003c\/td\u003e\n\u003ctd\u003eUF349, C1736, IC479, 5C1403, 224018H515, C1406 and related numbers\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpark Plug Types\u003c\/td\u003e\n\u003ctd\u003eNGK and equivalent part numbers referenced\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e1-year limited warranty\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe IgnitionDoctor coil and spark plug set is a practical, value-oriented choice for owners of compatible Nissan and Infiniti V6 vehicles who need to restore reliable ignition and smoother idling. It delivers direct-fit convenience and a sensible warranty, making it a good buy for DIY maintenance or shop use, though buyers should verify the received plug types on arrival due to occasional fulfillment errors.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill these parts fit my Altima 3.5L?\u003c\/strong\u003e\u003cbr\u003eThey are listed for Altima 2002-2006 3.5L V6; confirm with the compatibility tool or vehicle specifics before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre the plugs pre-gapped?\u003c\/strong\u003e\u003cbr\u003eYes, the spark plugs in the kit are pre-gapped to meet or exceed OEM specifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat if a part is defective?\u003c\/strong\u003e\u003cbr\u003eThe set includes a 1-year warranty; contact the seller for support and replacement options.\u003c\/p\u003e","brand":"IGNITIONDOCTOR","offers":[{"title":"Default Title","offer_id":48165490753755,"sku":"B08R9QG24K","price":82.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71m8COW3X8L._AC_SL1500.jpg?v=1769169964","url":"https:\/\/gearmusthave.com\/products\/set-of-6-ignition-coil-pack-and-spark-plugs-for-nissan-vehicles","provider":"GearMustHave","version":"1.0","type":"link"}