{"product_id":"ivonney-diesel-glow-plugs-9g-8-piece-kit-for-6-6l-duramax-lbz-lly-lml-lmm-oe-fit-faster-cold-starts","title":"IVONNEY Diesel Glow Plugs 9G 8‑Piece Kit for 6.6L Duramax LBZ\/LLY\/LML\/LMM — OE Fit, Faster Cold Starts","description":"\u003cstrong\u003eIVONNEY 12639701 9G diesel glow plugs are an 8-piece aftermarket replacement set engineered for GM 6.6L Duramax LBZ\/LLY\/LML\/LMM engines from 2006–2016.\u003c\/strong\u003e\n\n\u003cp\u003eThese 9G-style glow plugs provide the preheat required by diesel combustion chambers so cold starts are faster and each cylinder maintains consistent ignition. They are supplied as an 8-piece kit that replaces OE part numbers 12639701 and 97364968 and are designed for compatibility with many Chevy and GMC heavy-duty trucks and vans built on the 6.6L Duramax platform.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles are compatible with these glow plugs?\u003c\/h3\u003e\n\u003cp\u003eThis IVONNEY kit fits GM 6.6L V8 Duramax engines labeled LBZ, LGH, LLY, LML, and LMM used in specific Chevy and GMC models between 2006 and 2016. Confirm fitment by model and year before ordering, and provide your VIN to the seller if you need a precise lookup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Express 2500\/3500 (2006–2016), Silverado 2500\/3500 HD families (2006–2016)\u003c\/li\u003e\n  \u003cli\u003eGMC: Savana 2500\/3500 (2006–2016), Sierra 2500\/3500 HD families (2006–2016)\u003c\/li\u003e\n  \u003cli\u003eReplaces OE numbers 12639701 and 97364968; 9G style used by dealers for this era\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow do these 9G glow plugs improve cold starts and drivability?\u003c\/h3\u003e\n\u003cp\u003eGlow plugs warm intake air inside the combustion chamber so diesel fuel ignites more reliably during start-up, especially in low temperatures. Properly functioning plugs reduce misfires, rough idle, and excessive starter engagement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePreheats each cylinder to support consistent ignition during cold starts\u003c\/li\u003e\n  \u003cli\u003eHelps maintain smooth idling and throttle response when glow plugs are healthy\u003c\/li\u003e\n  \u003cli\u003eSelf-regulating design limits current draw to prevent overheating\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat are the build quality and installation considerations?\u003c\/h3\u003e\n\u003cp\u003eIVONNEY glow plugs are aftermarket parts manufactured to meet or exceed OE performance and durability standards. They are intended as direct replacements but professional installation is recommended to ensure correct torque and electrical connections.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eConstructed for long service life and consistent heating performance\u003c\/li\u003e\n  \u003cli\u003eSold as an 8-piece set for a full V8 cylinder complement (one per cylinder)\u003c\/li\u003e\n  \u003cli\u003eInstallation tips: remove and replace one plug at a time, clean contacts, ream holes if needed, torque to spec\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat does the warranty and packaging include?\u003c\/h3\u003e\n\u003cp\u003eThe product ships with eight IVONNEY 12639701 glow plugs and is covered by a one-year warranty for defects or premature failure. Reach out to the seller with vehicle details or VIN if you need fitment confirmation or warranty assistance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003ePackage contents: 8 pcs IVONNEY 12639701 (9G style) glow plugs\u003c\/li\u003e\n  \u003cli\u003eOne-year limited warranty with seller support for failures\u003c\/li\u003e\n  \u003cli\u003eProfessional installation recommended; no step-by-step instructions included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This 8-piece IVONNEY glow plug kit is aimed at owners, mechanics, and fleet managers running GM 6.6L Duramax (LBZ, LGH, LLY, LML, LMM) engines in Silverado, Sierra, Express, Savana, and other heavy-duty models from 2006 through 2016 who need a reliable, dealer-style 9G replacement set for improved starting and consistent cylinder ignition. If you maintain diesel trucks and require parts that match dealer specifications for the 9G glow plug style, this set is designed to meet those needs.\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: Do these glow plugs fit my 2010 Chevy Silverado 2500 HD with a 6.6L Duramax?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—this 8-piece IVONNEY set is compatible with 6.6L Duramax models (LBZ\/LLY\/LML\/LMM) in 2010 Silverado 2500 HD, but confirm with your VIN for absolute fitment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What does the one-year warranty cover?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The one-year warranty covers premature failure or defects; contact the seller with details and VIN for warranty assistance.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"IVONNEY","offers":[{"title":"Default Title","offer_id":48086757015710,"sku":"B09MJ4RJKG","price":61.98,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/ivonney-front-packaging-12639701-glow-plugs.jpg?v=1785903628","url":"https:\/\/northtrailauto.ca\/products\/ivonney-diesel-glow-plugs-9g-8-piece-kit-for-6-6l-duramax-lbz-lly-lml-lmm-oe-fit-faster-cold-starts","provider":"North Trail Auto","version":"1.0","type":"link"}