{"product_id":"npauto-ignition-coil-spark-plug-kit-for-v6-4-0l-6-coil-6-plug-oe-fit-pre-gapped","title":"NPAUTO Ignition Coil \u0026 Spark Plug Kit for V6 4.0L — 6-Coil 6-Plug OE-Fit Pre-Gapped","description":"\u003cp\u003e\u003cstrong\u003eNPAUTO ignition coil pack and pre-gapped spark plug set—six coils and six spark plugs engineered to replace failed ignition components on compatible Nissan and Infiniti V6 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis complete ignition set is built for V6 4.0L Nissan applications and a range of related V6 engines, delivering a direct OE-style replacement that simplifies repairs. The package includes six ignition coils and six pre-gapped spark plugs, matched to original fitment numbers and produced to meet or exceed OEM specifications. Before purchasing, verify compatibility with your vehicle's year and engine code to ensure correct installation.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles are supported by this NPAUTO ignition coil and spark plug kit?\u003c\/h3\u003e\n\u003cp\u003eThe kit fits a wide selection of Nissan, Infiniti, Suzuki, and Nissan NV commercial models across specific years and engine sizes. It’s intended for both the 4.0L V6 and several 3.5L V6 applications listed in the compatibility details. Always cross-check the supplied part numbers and the listing’s compatibility chart with your VIN or engine code for exact match confirmation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e4.0L V6: Nissan Frontier (2005–2019), Xterra (2005–2015), Pathfinder (2005–2012), NV1500\/NV2500\/NV3500 (2012–2019), Suzuki Equator (2009–2011)\u003c\/li\u003e\n  \u003cli\u003e3.5L V6: Nissan Altima, Maxima, Murano, Quest and select Infiniti models (various 2002–2009 years)\u003c\/li\u003e\n  \u003cli\u003eIncluded part numbers: UF349, 5C1403, 224338J115, 224488J111, 3340082Z00, UF-349 and cross-references\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does replacing coils and plugs with this set help my engine?\u003c\/h3\u003e\n\u003cp\u003eWorn or faulty ignition coils and spark plugs can cause misfires, rough idle, decreased power, and poorer fuel economy. Replacing both coils and plugs together restores consistent spark delivery and combustion timing across all cylinders. This full-set approach prevents mismatched component performance and simplifies a single-service repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRestores even firing across the V6 engine for smoother idle and acceleration\u003c\/li\u003e\n  \u003cli\u003eReduces misfire-caused drivability issues and diagnostic repeat visits\u003c\/li\u003e\n  \u003cli\u003ePre-gapped spark plugs save installation time and match coil output\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what should I check before installing?\u003c\/h3\u003e\n\u003cp\u003eThe box contains six ignition coils and six pre-gapped spark plugs—enough for a full-bank replacement on V6 engines. Inspect each coil and plug for shipping damage and compare the part numbers to your original equipment. Also have basic hand tools and a torque wrench ready for proper mounting and connector seating.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e6 x ignition coils and 6 x pre-gapped spark plugs included\u003c\/li\u003e\n  \u003cli\u003eConfirm part numbers and vehicle compatibility before installation\u003c\/li\u003e\n  \u003cli\u003eRecommended: replace in clean environment and torque to factory specs\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCan I install these parts myself, or should I visit a shop?\u003c\/h3\u003e\n\u003cp\u003eMany mechanically-inclined owners can perform the swap with common tools; however, professional installation is recommended if you lack experience with ignition systems. Properly seating connectors and torquing fasteners prevents future failures and electrical issues. If a check engine light remains after installation, a diagnostic scan will identify lingering codes or related faults.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY-friendly with basic mechanical skills and a service manual\u003c\/li\u003e\n  \u003cli\u003eSeek professional help if unsure about ignition wiring or torque specs\u003c\/li\u003e\n  \u003cli\u003eClear and recheck engine codes after replacement for validation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This NPAUTO coil pack and spark plug kit is suited for owners and technicians working on Nissan V6 vehicles who want a full-bank replacement that follows OEM fitment and part-number cross-references. It’s a practical choice for restoring reliable ignition performance on compatible Frontier, Xterra, Pathfinder, NV series, Altima, Maxima, Murano, Quest, Infiniti, and Suzuki Equator models listed in the compatibility details.\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 components needed for a full V6 replacement?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The package contains six ignition coils and six pre-gapped spark plugs—enough for all cylinders on V6 engines.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How do I confirm these parts fit my vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compare the listed part numbers and compatibility years to your VIN or engine code and consult the listing’s compatibility chart before purchase.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NPAUTO","offers":[{"title":"Default Title","offer_id":48081431724190,"sku":"B0B8Z4DNT1","price":139.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/npauto-front-packaging-ignition-coils-spark-plugs.jpg?v=1785804143","url":"https:\/\/northtrailauto.ca\/products\/npauto-ignition-coil-spark-plug-kit-for-v6-4-0l-6-coil-6-plug-oe-fit-pre-gapped","provider":"North Trail Auto","version":"1.0","type":"link"}