{"product_id":"ngk-iridium-ix-spark-plugs-bkr5eix-11-4-pack-for-1998-nissan-frontier-2-4l-iridium-electrodes-oem-equivalent-durability","title":"NGK Iridium IX spark plugs BKR5EIX-11 (4-pack) for 1998 Nissan Frontier 2.4L — iridium electrodes, OEM-equivalent durability","description":"\u003cstrong\u003eNGK Iridium IX BKR5EIX-11 spark plugs (4-pack) are high-durability ignition parts engineered as OEM-equivalent replacements for the 1998 Nissan Frontier 2.4L.\u003c\/strong\u003e\n\n\u003cp\u003eThis set of four NGK Laser Iridium spark plugs delivers the balance of long life and consistent ignition performance that made NGK the top OEM supplier worldwide. Designed to meet original equipment specifications, these plugs suit the 1998 Nissan Frontier Base with a 2.4L (2389cc) engine when the BKR5EIX-11 part is listed as the correct application. Before ordering, confirm fitment using NGK’s official application guide to match engine code, trim level and required quantity.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these Iridium IX plugs affect engine reliability?\u003c\/h3\u003e\n\u003cp\u003eIridium electrodes are much harder and resist wear better than conventional nickel designs, so spark gap erosion is reduced over thousands of miles. That stability helps maintain repeatable ignition and smooth combustion across varied driving conditions.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIridium center electrode for extended service life\u003c\/li\u003e\n  \u003cli\u003ePrecise factory-set gap for consistent spark delivery\u003c\/li\u003e\n  \u003cli\u003eRobust construction to resist deposits and premature failure\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these plugs fit my 1998 Nissan Frontier 2.4L?\u003c\/h3\u003e\n\u003cp\u003eThis BKR5EIX-11 listing is compatible with many 1998 Nissan Frontier Base models with the 2.4L (2389cc) engine, but fitment can vary by engine code and vehicle options. Use NGK’s online application tool or compare the OEM part number to ensure a correct match before purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned to meet OEM specifications for direct replacement\u003c\/li\u003e\n  \u003cli\u003eSold as a 4-pack to cover standard four-cylinder ignition systems\u003c\/li\u003e\n  \u003cli\u003eCheck engine code and NGK compatibility charts for confirmation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I install and maintain these spark plugs?\u003c\/h3\u003e\n\u003cp\u003eInstallation follows standard spark plug torque and gap procedures; use a torque wrench and the manufacturer’s torque spec to avoid thread damage. Periodic inspection and replacement intervals depend on driving style and conditions—Iridium plugs typically outlast conventional types, but always follow your vehicle maintenance schedule.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHand-start threads, then torque to Nissan’s specification\u003c\/li\u003e\n  \u003cli\u003eInspect ignition boots and wires while replacing plugs\u003c\/li\u003e\n  \u003cli\u003eKeep a record of mileage at installation for future service planning\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: Drivers and mechanics seeking a direct OEM-style upgrade for a 1998 Nissan Frontier 2.4L who want longer service life and steady ignition performance. This NGK Iridium IX 4-pack suits owners performing routine tune-ups, restoration projects, or anyone replacing worn plugs with a durable, factory-grade option. If you’re unsure about fitment, consult NGK’s application resources or a trusted technician before ordering.\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: Is this a direct replacement for my 1998 Nissan Frontier 2.4L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: This BKR5EIX-11 set commonly fits 1998 Frontier 2.4L Base models, but verify with NGK’s application guide or your vehicle’s OEM part number before purchasing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: How many spark plugs are included and how long do they last?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The listing includes four spark plugs. Iridium plugs typically last much longer than standard plugs, though mileage varies by driving conditions.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"NGK","offers":[{"title":"Default Title","offer_id":48083962560670,"sku":"B07RC6GXM3","price":68.03,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ngk-iridium-ix-bkr5eix-11-front-packaging.jpg?v=1785841377","url":"https:\/\/northtrailauto.ca\/products\/ngk-iridium-ix-spark-plugs-bkr5eix-11-4-pack-for-1998-nissan-frontier-2-4l-iridium-electrodes-oem-equivalent-durability","provider":"North Trail Auto","version":"1.0","type":"link"}