{"product_id":"bosch-double-iridium-spark-plugs-pack-of-4-oe-matched-pre-gapped-for-gdi-engines","title":"Bosch Double Iridium Spark Plugs — Pack of 4, OE-matched \u0026 Pre-gapped for GDI Engines","description":"\u003cp\u003e\u003cstrong\u003eBOSCH 96339 OE fine wire double iridium spark plugs are high-performance, long-life replacement plugs engineered to match original equipment specifications for modern gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese Bosch double iridium plugs combine an ultra-fine, laser-welded iridium firing pin with an iridium ground-electrode inlay to improve ignitability and durability compared with conventional copper plugs. Pre-gapped at the factory and fitted with nickel-plated rolled threads, they resist corrosion and thread galling, do not require anti-seize, and are designed for direct compatibility with Gasoline Direct Injection (GDI) and other modern gasoline engines.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve engine ignition performance?\u003c\/h3\u003e\n\u003cp\u003eThe ultra-fine wire iridium center electrode and matching iridium ground inlay require lower voltage to ignite the air\/fuel mixture, which enhances spark consistency and throttle response. Laser-welded construction preserves electrode shape and gap under high heat and stress for sustained performance over many miles.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e360° laser-welded ultra-fine iridium firing pin for better ignitability\u003c\/li\u003e\n  \u003cli\u003eReduced voltage requirement — improved spark reliability at varying loads\u003c\/li\u003e\n  \u003cli\u003eIridium ground inlay increases wear resistance versus copper plugs\u003c\/li\u003e\n  \u003cli\u003eDesigned to hold gap stability across long service intervals\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these replace original equipment (OE) spark plugs on my vehicle?\u003c\/h3\u003e\n\u003cp\u003eYes — Bosch OE Fine Wire Double Iridium plugs are manufactured to meet or exceed OE dimensions and performance parameters, including spark position and fitment for many GDI engines. Always confirm exact part compatibility with your vehicle’s make, model, year and engine code using a fitment tool.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-matched spark position for proper combustion in modern engines\u003c\/li\u003e\n  \u003cli\u003ePre-gapped at the factory, ready to install out of the box\u003c\/li\u003e\n  \u003cli\u003eMeets manufacturer requirements for fit, form and function\u003c\/li\u003e\n  \u003cli\u003eCompatible with many Chevrolet, Lexus, Nissan, Subaru, Toyota and other vehicles\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do they make installation and future service easier?\u003c\/h3\u003e\n\u003cp\u003eNickel-plated rolled threads resist corrosion, preventing the plugs from seizing in the cylinder head and allowing easier removal at service intervals. Because the threads are plated and the plugs are pre-gapped, anti-seize and gap adjustments are unnecessary, saving time during installation and maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNickel-plated rolled threads resist corrosion and prevent galling\u003c\/li\u003e\n  \u003cli\u003eNo anti-seize required — simplifies installation procedure\u003c\/li\u003e\n  \u003cli\u003eFactory pre-gapped — fits without gap adjustment in most applications\u003c\/li\u003e\n  \u003cli\u003ePack of four provides enough plugs for many four-cylinder engines or a partial service set\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat durability and longevity can I expect from these plugs?\u003c\/h3\u003e\n\u003cp\u003eDouble iridium construction offers significantly greater wear resistance than standard copper or single-precious-metal plugs, helping preserve gap and performance over longer intervals. Bosch rates the design for extended service life, making it suitable for drivers seeking fewer replacements and consistent ignition quality over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble iridium electrodes for enhanced longevity versus copper plugs\u003c\/li\u003e\n  \u003cli\u003eLaser-welded electrodes resist erosion under high temperatures\u003c\/li\u003e\n  \u003cli\u003eStable gap retention reduces misfires and inefficient combustion over time\u003c\/li\u003e\n  \u003cli\u003eCompatible with routine service intervals recommended by vehicle manufacturers\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The BOSCH 96339 OE Fine Wire Double Iridium spark plugs are intended for vehicle owners and technicians who want OE-level fit and longer-lasting ignition performance — especially those with modern gasoline or GDI engines seeking reliable starts, steady idle, and extended service intervals. Confirm fitment for your specific vehicle before purchase to ensure proper application.\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: Are these spark plugs pre-gapped?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. Bosch 96339 plugs are factory pre-gapped and ready to install without gap adjustment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Do I need anti-seize on the threads?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. The nickel-plated rolled threads resist corrosion and do not require anti-seize.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":48080885940382,"sku":"B07ZK5X6DG","price":95.31,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bosch-front-packaging.jpg?v=1785791588","url":"https:\/\/northtrailauto.ca\/products\/bosch-double-iridium-spark-plugs-pack-of-4-oe-matched-pre-gapped-for-gdi-engines","provider":"North Trail Auto","version":"1.0","type":"link"}