{"product_id":"bosch-9603-oe-fine-wire-double-iridium-spark-plugs-pack-of-4-easy-install-long-life","title":"Bosch 9603 OE Fine Wire Double Iridium Spark Plugs – Pack of 4 | Easy Install, Long Life","description":"\u003cdiv\u003e\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003e Bosch Automotive 9603 OE Fine Wire Double Iridium Spark Plugs are engineered to deliver a blend of high performance and extended life. The ultra-fine wire design combined with a laser welded tapered ground electrode helps maintain efficient flame-front propagation, while the iridium center electrode and iridium ground electrode inlay contribute to durability over many miles. They are OE-matched for compatibility with modern Gasoline Direct Injection (GDI) engines and are factory pre-gapped for straightforward installation. The nickel-plated rolled threads resist corrosion and require no anti-seize, enabling quick, clean mounting right out of the box.\u003c\/p\u003e \u003ch3\u003eWhy choose Bosch Double Iridium\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e4X longer life versus standard copper plugs, thanks to iridium firing pins and low-wear electrodes\u003c\/li\u003e \u003cli\u003e360-degree laser-welded ultra-fine wire iridium firing pin improves ignitability and can reduce ignition voltage by up to 24%\u003c\/li\u003e \u003cli\u003eNickel-plated rolled threads resist corrosion and eliminate the need for anti-seize compound\u003c\/li\u003e \u003cli\u003eFactory pre-gapped so installation is simple and immediate\u003c\/li\u003e \u003cli\u003eOE-grade design that meets or exceeds requirements for modern gasoline engines, including GDI\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eReal-world use and installation\u003c\/h3\u003e \u003cp\u003eOut of the box, these plugs are ready to install, minimizing guesswork during maintenance. The precise fit helps maintain consistent combustion and smoother starts, while robust materials support durable performance under everyday driving conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eCompatible with a broad range of vehicles across brands like Acura, Honda, Jaguar, Lexus, Lincoln, Mercedes-Benz, Mitsubishi, Nissan, Pontiac, Scion, Subaru, Suzuki, Toyota, and Volvo\u003c\/li\u003e \u003cli\u003eIncluding many popular models with GDI systems, where optimized spark position supports efficient fuel use and responsiveness\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eInstallation tips and fitment\u003c\/h3\u003e \u003cp\u003eVerify fitment with your vehicle's specification guide or fit checker. Pre-gapped, corrosion-resistant threads simplify installation and reduce the time to complete a tune-up.\u003c\/p\u003e \u003cp\u003eUnlock the potential in your engine with Bosch Double Iridium plugs, a choice that emphasizes reliability, efficiency, and long-term value.\u003c\/p\u003e\n\u003c\/div\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: What makes Bosch 9603 OE Fine Wire Double Iridium Spark Plugs different?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: They use an ultra-fine iridium center and ground electrodes for durable ignition and long life, with factory pre-gap and nickel-plated threads for easy installation.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Are these plugs compatible with modern GDI engines?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. They meet OE design requirements for GDI engines and suit many brands; verify fitment with your vehicle’s specifications.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Bosch","offers":[{"title":"Default Title","offer_id":42468595236949,"sku":"B0792LVCZW","price":37.74,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/bosch-oe-fine-wire-double-iridium-spark-plug-front-view.jpg?v=1778078329","url":"https:\/\/plentytorque.co.uk\/products\/bosch-9603-oe-fine-wire-double-iridium-spark-plugs-pack-of-4-easy-install-long-life","provider":"PlentyTorque","version":"1.0","type":"link"}