{"product_id":"bosch-9673-oe-double-iridium-spark-plugs-pack-of-4-fine-wire-oe-matched-long-life","title":"Bosch 9673 OE Double Iridium Spark Plugs Pack of 4 — Fine-Wire, OE-Matched, Long-Life","description":"\u003cp\u003e\u003cstrong\u003eBOSCH 9673 OE Fine Wire Double Iridium Spark Plugs are high-performance, OE-matched spark plugs designed to deliver reliable ignition and extended service life for modern gasoline engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThese spark plugs combine an ultra-fine iridium center electrode with an iridium ground-electrode inlay and a laser-welded tapered ground electrode to provide consistent ignitability and durability. Pre-gapped at the factory and built to Bosch original equipment specifications, they are engineered for modern gasoline engines including Gasoline Direct Injection (GDI) systems. Corrosion-resistant nickel-plated rolled threads simplify installation and removal, eliminating the need for anti-seize compounds.\u003c\/p\u003e\n\n\u003ch3\u003eHow do these plugs improve ignition compared with standard plugs?\u003c\/h3\u003e\n\u003cp\u003eThe ultra-fine wire iridium firing pin lowers the voltage required to ignite the air-fuel mixture, improving starting and throttle response. A laser-welded tapered ground electrode produces a cleaner, more focused spark path, which helps maintain consistent performance over time.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eUltra-fine iridium center electrode reduces required voltage by up to 24%\u003c\/li\u003e\n  \u003cli\u003eLaser-welded tapered ground electrode for stable spark formation\u003c\/li\u003e\n  \u003cli\u003eIridium ground-electrode inlay increases wear resistance and longevity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill these fit my modern gasoline or GDI engine?\u003c\/h3\u003e\n\u003cp\u003eBosch OE Fine Wire Double Iridium plugs are engineered to match original equipment specifications, including spark position and geometry used in many modern gasoline and GDI engines. Always check the correct part number and gap specification for your vehicle before installation.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOE-matched spark position for compatibility with GDI systems\u003c\/li\u003e\n  \u003cli\u003ePre-gapped at the factory to recommended OEM gap values\u003c\/li\u003e\n  \u003cli\u003eDesigned to meet or exceed manufacturer fit, form, and function\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat makes installation and maintenance easier?\u003c\/h3\u003e\n\u003cp\u003eThe plugs arrive factory pre-gapped and feature nickel-plated rolled threads that resist corrosion and thread galling. Because they remove easily and don’t require anti-seize during installation, you save time and reduce the risk of damaging cylinder head threads.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory pre-gapped — no gap adjustment required before installation\u003c\/li\u003e\n  \u003cli\u003eNickel-plated rolled threads resist corrosion and ease removal\u003c\/li\u003e\n  \u003cli\u003eNo anti-seize required, keeping installation simple and clean\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow long can I expect these plugs to last?\u003c\/h3\u003e\n\u003cp\u003eDouble iridium construction and precision welding extend electrode life compared with standard nickel or single-iridium plugs. While actual lifespan depends on engine conditions and driving habits, the advanced materials and design aim to provide a notably longer service interval than conventional plugs.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eDouble iridium electrodes for superior wear resistance\u003c\/li\u003e\n  \u003cli\u003eRobust construction preserves gap and performance over time\u003c\/li\u003e\n  \u003cli\u003eDesigned to deliver long service life under normal driving conditions\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: These Bosch 9673 OE Double Iridium spark plugs are suited to owners and technicians seeking factory-quality replacement parts for modern gasoline engines, including vehicles with GDI systems. They are ideal for drivers who want improved ignitability, reliable fitment, and reduced maintenance time when replacing spark plugs.\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 9673 OE plugs are pre-gapped at the factory and ready to install without prior 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 when installing these plugs?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: No. Nickel-plated rolled threads resist corrosion and anti-seize application is not required.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":48086097100958,"sku":"B0027ZKDG2","price":45.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/bosch-spark-plug-front-packaging.jpg?v=1785884519","url":"https:\/\/northtrailauto.ca\/products\/bosch-9673-oe-double-iridium-spark-plugs-pack-of-4-fine-wire-oe-matched-long-life","provider":"North Trail Auto","version":"1.0","type":"link"}