{"product_id":"sixity-auto-ngk-iridium-ix-spark-plugs-for-nissan-frontier-4-0l-v6-2005-2019-6-pc-direct-fit-oem-heat-range","title":"Sixity Auto NGK Iridium IX spark plugs for Nissan Frontier 4.0L V6 (2005–2019) — 6‑pc direct-fit, OEM heat range","description":"\u003cp\u003e\u003cstrong\u003eThese are six genuine NGK Iridium IX spark plugs supplied by Sixity Auto, engineered as direct-fit replacements for Nissan Frontier 4.0L V6 models from 2005 through 2019.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Frontier's ignition system needs reliable, like-for-like parts, this 6-pack of NGK Iridium IX plugs offers the same fitment and specifications as factory equipment. Sold with original packaging and hardware, these plugs replace worn or fouled electrodes to restore consistent combustion and smoother starts. They’re intended to be a straightforward swap for owners and technicians who want OEM-level components without modifying engine settings.\u003c\/p\u003e\n\n\u003ch3\u003eHow will these spark plugs affect my Frontier’s engine performance?\u003c\/h3\u003e\n\u003cp\u003eIridium-tipped electrodes create a concentrated spark that can improve ignition stability and throttle response compared with older, eroded plugs. While individual results vary with vehicle condition, many drivers notice smoother idling and steadier acceleration after installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium electrode for focused spark and reliable ignition\u003c\/li\u003e\n  \u003cli\u003eOEM-style heat range and thread fit for direct replacement\u003c\/li\u003e\n  \u003cli\u003eSix plugs cover a full V6 service without mixing part numbers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAre these NGK plugs the correct fit for my model year Frontier?\u003c\/h3\u003e\n\u003cp\u003eYes — this set matches the factory specification for Nissan Frontier 4.0L V6 engines built between 2005 and 2019. Always confirm compatibility with your vehicle’s VIN or parts database before purchase to avoid fitment mistakes.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible with 2005–2019 Nissan Frontier 4.0L V6\u003c\/li\u003e\n  \u003cli\u003eDirect replacement design mirrors original equipment dimensions\u003c\/li\u003e\n  \u003cli\u003eIncludes original NGK packaging and mounting hardware\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the advantages of Iridium IX compared to standard plugs?\u003c\/h3\u003e\n\u003cp\u003eIridium is harder and has a higher melting point than conventional materials, allowing a finer electrode that maintains a sharp spark over longer intervals. That durability typically extends service life and can keep the ignition system performing consistently between replacements.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLonger service life than many copper or nickel plugs\u003c\/li\u003e\n  \u003cli\u003eMaintains consistent spark gap for better combustion efficiency\u003c\/li\u003e\n  \u003cli\u003eResists electrode wear and reduces misfire risk under normal use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and service these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone comfortable with basic engine work: remove the old plugs, inspect the condition of ignition coils and wells, and torque the new NGK plugs to the manufacturer’s specification. Replace in single-cylinder sequence to avoid mix-ups and recheck torque after initial heat cycles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFollow Nissan torque specs and tightening sequence\u003c\/li\u003e\n  \u003cli\u003eInspect coil boots and wiring; replace if cracked or corroded\u003c\/li\u003e\n  \u003cli\u003eUse a gap gauge if necessary, though these are pre-gapped to OEM standards\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This Sixity Auto package of 6 NGK Iridium IX spark plugs is aimed at Nissan Frontier owners, do-it-yourself mechanics, and repair shops that need a complete, factory-equivalent set for 4.0L V6 tune-ups. It’s suitable for anyone seeking durable, long-life plugs that match original specifications and arrive with the correct hardware and packaging for a hassle-free replacement.\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: Do these spark plugs fit all Nissan Frontier V6 years?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They fit Nissan Frontier 4.0L V6 models from 2005 through 2019; verify fit with your VIN or parts lookup to be certain.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are the plugs pre-gapped and ready to install?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, NGK supplies these as pre-gapped to OEM specifications, though you may recheck the gap during installation.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Sixity Auto","offers":[{"title":"Default Title","offer_id":48083985531038,"sku":"B0827YPXQ2","price":93.38,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/sixity-auto-ngk-iridium-ix-front-packaging_60c7beab-4a8c-47eb-bb6b-be6654f37d20.jpg?v=1785842298","url":"https:\/\/northtrailauto.ca\/products\/sixity-auto-ngk-iridium-ix-spark-plugs-for-nissan-frontier-4-0l-v6-2005-2019-6-pc-direct-fit-oem-heat-range","provider":"North Trail Auto","version":"1.0","type":"link"}