{"product_id":"ivonney-9g-diesel-glow-plugs-12639701-for-duramax-6-6l-lbz-lgh-lly-lml-lmm-silverado-express-savana-sierra","title":"IVONNEY 9G Diesel Glow Plugs 12639701 for Duramax 6.6L LBZ\/LGH\/LLY\/LML\/LMM | Silverado, Express, Savana, Sierra","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe IVONNEY 9G diesel glow plugs are professional aftermarket replacements designed for GM 6.6L Duramax engines (LBZ, LGH, LLY, LML, LMM). This set, replacing OE 9G and 12639701, is compatible with a wide range of GM trucks and vans from 2006 through 2016, including Express, Silverado, Savana, and Sierra models. Built to meet or exceed OE performance, these plugs aim to support reliable cold starts and consistent ignition across cylinders.\u003c\/p\u003e\n\n\u003ch3\u003eWhy consider the 9G glow plugs\u003c\/h3\u003e\n\u003cp\u003eGlow plugs preheat the intake air in diesel engines, helping the engine start more smoothly in colder conditions. When functioning well, they support even combustion across cylinders and can contribute to steadier throttle response. The IVONNEY 9G plugs are designed to deliver durable, dependable performance when temperatures drop.\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDurable aftermarket design intended to exceed OE performance expectations.\u003c\/li\u003e\n  \u003cli\u003eSelf-regulating electrical design helps manage current as temperatures change.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement for OE 9G and 12639701; intended for straightforward installation by qualified technicians.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility and fit\u003c\/h3\u003e\n\u003cp\u003eDesigned for GM 6.6L Duramax engines, these glow plugs fit multiple 2006–2016 models, including Express 2500\/3500, Silverado 2500 HD, 3500 HD and Classic variants, Savana 2500\/3500, and Sierra 2500 HD\/3500 HD. Always verify compatibility with your vehicle’s VIN to ensure a proper match.\u003c\/p\u003e\n\n\u003ch3\u003eWhat’s in the box and warranty\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e8 x 12639701 glow plugs\u003c\/li\u003e\n  \u003cli\u003e1-year warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eInstallation notes and care\u003c\/h3\u003e\n\u003cp\u003eProfessional installation is highly recommended. When replacing glow plugs, disconnect the battery, carefully remove each old plug, clean electrical contacts, and replace with new plugs one at a time. After installation, reattach wiring securely and test ignition behavior in a safe environment.\u003c\/p\u003e\n\n\u003cp\u003eNote: Results can vary by vehicle condition. This kit is designed to support reliable cold starts and consistent ignition across cylinders, offering potential improvements in overall driveability for Duramax-equipped trucks and vans.\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: What vehicles is this IVONNEY glow plug compatible with?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Compatible with GM 6.6L Duramax LBZ\/LGH\/LLY\/LML\/LMM engines in 2006–2016 Express, Silverado, Savana, and Sierra models.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What’s included and what is the warranty?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Package includes 8 glow plugs (part 12639701); 1-year warranty. Contact seller for fit questions or issues.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IVONNEY","offers":[{"title":"Default Title","offer_id":42470232162389,"sku":"B09MJ4RJKG","price":54.18,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0632\/3270\/4597\/files\/ivonney-diesel-glow-plug-9g-duramax-lbz.jpg?v=1778125506","url":"https:\/\/plentytorque.co.uk\/products\/ivonney-9g-diesel-glow-plugs-12639701-for-duramax-6-6l-lbz-lgh-lly-lml-lmm-silverado-express-savana-sierra","provider":"PlentyTorque","version":"1.0","type":"link"}