{"product_id":"ifatrunk-iridium-spark-plugs-6-pack-for-v6-engines-fits-nissan-infiniti-toyota-iridium-tip-direct-fit-replacement","title":"IFATRUNK Iridium Spark Plugs 6-Pack for V6 Engines (Fits Nissan\/Infiniti\/Toyota) — Iridium Tip, Direct-Fit Replacement","description":"\u003cp\u003e\u003cstrong\u003eIFATRUNK Iridium Spark Plugs 6-pack replaces OE 4469\/LFR5AIX11 to restore crisp ignition and long-lasting performance for many V6 engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese iridium-tip spark plugs are engineered as direct-fit replacements for a wide range of Nissan, Infiniti, Toyota, Hyundai and Kia V6 engines (2.7L–4.0L). They use a laser-welded iridium central electrode to concentrate the spark, resist wear and maintain consistent combustion over longer service intervals. The set includes six plugs and covers popular applications such as the Nissan 350Z, Altima, Maxima, Murano, Frontier, Pathfinder, Xterra, and Infiniti G35\/FX35, plus select Toyota 4Runner and Tundra models.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles and engine sizes are these plugs compatible with?\u003c\/h3\u003e\n\u003cp\u003eThese plugs are designed for many 3.5L and 4.0L V6 engines plus some 2.7L and 3.8L V6 applications. Check your vehicle year and engine code against the compatibility list to confirm fitment.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNissan\/Infiniti: 2001–2019 models including 350Z, Altima, Maxima, Murano, Quest, Pathfinder, Frontier, Xterra, NV1500\/NV2500, G35, FX35, I35, M35, QX4.\u003c\/li\u003e\n  \u003cli\u003eToyota: 2013–2014 Tundra and 2013–2020 4Runner 4.0L V6 fitments.\u003c\/li\u003e\n  \u003cli\u003eHyundai\/Kia: Selected 2.7L–3.8L V6 models such as Santa Fe, Genesis, Optima, Rondo, Borrego.\u003c\/li\u003e\n  \u003cli\u003eReplaces OE numbers: 4469, LFR5AIX-11 and related cross-references like XP5325, XP6003, 92174.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these iridium plugs improve engine performance?\u003c\/h3\u003e\n\u003cp\u003eIridium’s fine-diameter center electrode focuses the spark and lowers required voltage, which helps provide more reliable ignition under diverse conditions. That can translate into steadier idle, smoother throttle response, and better cold starts compared with worn or lower-grade plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e0.4–0.6 mm iridium center electrode concentrates spark energy.\u003c\/li\u003e\n  \u003cli\u003eLaser-welded joint increases durability and reduces electrode wear.\u003c\/li\u003e\n  \u003cli\u003eImproved ignition consistency at low temperatures and high RPMs.\u003c\/li\u003e\n  \u003cli\u003eCan support lean-burn or high-compression scenarios better than standard plugs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat installation and maintenance should I expect?\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward for anyone familiar with basic spark plug service; these are direct-fit replacements that use factory threads and reach. Torqueing to the manufacturer’s specification and a final inspection for boot seating will ensure reliable performance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eReplace all six plugs as a set for balanced firing.\u003c\/li\u003e\n  \u003cli\u003eUse correct torque and anti-seize guidance from your vehicle manual.\u003c\/li\u003e\n  \u003cli\u003eInspect ignition coils and wiring when changing plugs to prevent misfires.\u003c\/li\u003e\n  \u003cli\u003eRecommended service interval varies by vehicle; iridium typically lasts longer than copper plugs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat warranty, packaging and quality controls are included?\u003c\/h3\u003e\n\u003cp\u003eThe package contains six IFATRUNK iridium spark plugs and customer support access for part questions or fitment issues. The plugs use precision manufacturing and laser welding to meet steady electrical and thermal performance standards.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage includes 6 replacement spark plugs for a full V6 service.\u003c\/li\u003e\n  \u003cli\u003eManufactured with laser-welded iridium central electrodes for durability.\u003c\/li\u003e\n  \u003cli\u003eCross-reference compatibility listing included to match OE references.\u003c\/li\u003e\n  \u003cli\u003eIFATRUNK customer support available for fitment help or concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for? IFATRUNK’s Iridium Spark Plugs suit owners and mechanics seeking a long-lasting, OE-style replacement for mid-2000s to 2010s V6 Nissan, Infiniti, Toyota, Hyundai and Kia vehicles. They’re a practical upgrade for drivers who want more consistent starts and stable combustion without changing engine management or hardware. Verify your vehicle’s engine and OE part number before purchase to ensure proper fitment.\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 plugs fit a 2004 Nissan 350Z 3.5L V6?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. This IFATRUNK 6-pack lists compatibility with 2003–2006 Nissan 350Z 3.5L V6 engines as a direct replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these iridium plugs longer-lasting than standard copper plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Generally yes—iridium center electrodes resist wear longer, offering extended service life versus conventional copper plugs.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IFATRUNK","offers":[{"title":"Default Title","offer_id":55165762404695,"sku":"B0FDR77H3R","price":37.2,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1050\/1524\/7191\/files\/ifatrunk-front-packaging-six-pack.jpg?v=1790357781","url":"https:\/\/britishgarage.co.uk\/products\/ifatrunk-iridium-spark-plugs-6-pack-for-v6-engines-fits-nissan-infiniti-toyota-iridium-tip-direct-fit-replacement","provider":"British Garage","version":"1.0","type":"link"}