{"product_id":"gm-genuine-parts-timing-chain-kit-12680750-with-tensioner-guides-seal-oe-fit-for-gm-engines","title":"GM GENUINE PARTS Timing Chain Kit 12680750 with Tensioner, Guides \u0026 Seal — OE Fit for GM Engines","description":"\u003cb\u003eGM Genuine Parts 12680750 is a complete timing chain kit that replaces worn chain, tensioner, guides, seal, nozzle and mounting bolts to restore proper valve timing.\u003c\/b\u003e\n\n\u003cp\u003eThis factory-style kit is built to GM specifications so the crankshaft and camshaft(s) rotate in precise sync. Designed as a recommended replacement for original equipment, the 12680750 kit includes the core hardware needed to service timing drive components and help return your engine’s timing integrity and operational reliability.\u003c\/p\u003e\n\n\u003ch3\u003eWhat exactly comes in this timing chain kit and why does each part matter?\u003c\/h3\u003e\n\u003cp\u003eThe kit bundles the timing chain with a hydraulic tensioner, multiple guide rails, a front seal, nozzle, and the bolts required for installation. Each component is chosen to match GM OE fitment so they work together without extra modification.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTiming chain — transfers rotation between crank and camshaft(s)\u003c\/li\u003e\n  \u003cli\u003eHydraulic tensioner — keeps consistent chain tension during operation\u003c\/li\u003e\n  \u003cli\u003eGuides\/rails — stabilize chain travel and reduce wear\u003c\/li\u003e\n  \u003cli\u003eFront seal and nozzle — prevent oil leaks and maintain lubrication\u003c\/li\u003e\n  \u003cli\u003eMounting bolts — correct fasteners for GM-specified torque and fit\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this kit affect engine performance and longevity?\u003c\/h3\u003e\n\u003cp\u003eReplacing worn timing components restores accurate valve timing and reduces risk of misalignment-related noise or component damage. Using parts manufactured to GM OE standards preserves designed tolerances and helps the assembly function as originally intended.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eImproves timing precision to support smooth combustion cycles\u003c\/li\u003e\n  \u003cli\u003eMinimizes chain slack that can cause rattles at idle or during startup\u003c\/li\u003e\n  \u003cli\u003eReplaces seals to reduce the chance of oil seepage that degrades parts\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eIs this kit compatible with my GM vehicle and how do I confirm fitment?\u003c\/h3\u003e\n\u003cp\u003eThe 12680750 kit is listed for specific GM engines and model years—verify compatibility by checking your vehicle’s VIN, engine code, or consulting GM parts catalogs. Confirming fitment prevents purchasing a kit that won’t align with bolt patterns or guide placement.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eMatch part number 12680750 with your vehicle’s parts list\u003c\/li\u003e\n  \u003cli\u003eUse VIN lookup tools or ask a GM dealer for verification\u003c\/li\u003e\n  \u003cli\u003eCheck engine code and year in the vehicle maintenance manual\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect during installation and service intervals?\u003c\/h3\u003e\n\u003cp\u003eInstallation is a moderate to advanced mechanical task that typically requires proper timing tools, torque specifications, and an experienced technician. Inspection of associated components—like sprockets, camactuators, and oil condition—is recommended while servicing the timing system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRequires alignment tools and manufacturer torque values for correct assembly\u003c\/li\u003e\n  \u003cli\u003eTechnician should inspect sprockets and guides for uneven wear\u003c\/li\u003e\n  \u003cli\u003eReplace oil and filter if contaminated or overdue to protect new components\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The GM Genuine Parts 12680750 timing chain kit is aimed at GM vehicle owners, professional mechanics, and independent repair shops needing a GM-recommended replacement for worn timing drive components. Choose this kit if you want parts made to original equipment specifications, correct fitment for compatible GM engines, and a comprehensive set that includes tensioner, guides, seal, nozzle, and bolts for a complete timing service.\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: Does this kit include the tensioner and seals?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes — the 12680750 kit contains the timing chain, hydraulic tensioner, guides, front seal, nozzle, and mounting bolts.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I install this kit myself?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Installation is advanced; professional tools and knowledge of engine timing are recommended to ensure correct alignment and torque.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"GM GENUINE PARTS","offers":[{"title":"Default Title","offer_id":48080304275614,"sku":"B01LZPMZWS","price":176.68,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/gm-genuine-parts-12680750-front-assembly.jpg?v=1785780356","url":"https:\/\/northtrailauto.ca\/products\/gm-genuine-parts-timing-chain-kit-12680750-with-tensioner-guides-seal-oe-fit-for-gm-engines","provider":"North Trail Auto","version":"1.0","type":"link"}