{"title":"LLY Duramax Belts \u0026 Tensioners","description":"\u003cp\u003eDirect-fit belts \u0026amp; tensioners for the LLY Duramax diesel. Every part here is matched to the LLY Duramax platform — confirm your model year before ordering to be sure of fitment. Orders ship fast, free over $70.\u003c\/p\u003e","products":[{"product_id":"lly-duramax-belt-tensioner-2004-5-2005","title":"LLY Duramax Belt Tensioner 2004.5-2005","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a belt-drive component for the Chevrolet, GMC LLY Duramax diesel (2004.5-2005). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade LLY Duramax repair or service. Every order ships fast and is backed by our support team.\u003c\/p\u003e\u003ch4\u003eWhat It Does \u0026amp; How It Helps\u003c\/h4\u003e\u003cp\u003eThe serpentine belt drives the water pump, alternator and accessories, and the spring-loaded tensioner keeps it at the correct tension. As the tensioner spring and pulley bearing wear, the belt slips, squeals and chirps, and a seized bearing or thrown belt can leave you stranded and overheating. A fresh belt and tensioner (or idler pulley) restore quiet, reliable accessory drive and steady coolant and charging output.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003ea serpentine belt, tensioner or idler pulley as specified\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the LLY Duramax diesel engine, 2004.5-2005. Please confirm your engine and year before ordering to ensure correct fitment.\u003c\/p\u003e\u003ch4\u003eCommon Symptoms \u0026amp; When to Use\u003c\/h4\u003e\u003cp\u003eConsider this LLY Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ebelt squeal, chirp or wear\u003c\/li\u003e\n\u003cli\u003ea worn or noisy tensioner or idler bearing\u003c\/li\u003e\n\u003cli\u003ea belt and tensioner service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e LLY Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 2004.5-2005\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eQuality \u0026amp; Service\u003c\/h4\u003e\u003cp\u003eFast shipping on in-stock orders. Free shipping on orders over $70. Backed by Core Diesel Parts — your source for LLY Duramax diesel parts.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":48812341297377,"sku":"CDP-BT-lly-duramax-01","price":27.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-belt-tensioner-2004-5-2005-1.jpg?v=1785001056"},{"product_id":"lly-duramax-belt-tensioner","title":"LLY Duramax Belt \u0026 Tensioner - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit belt \u0026amp; tensioner for the LLY Duramax diesel. It is a quality new, direct-fit replacement built to OEM-equivalent specification for a professional-grade repair that restores proper function and reliability to your truck.\u003c\/p\u003e\u003ch4\u003eWhat It Does \u0026amp; How It Helps\u003c\/h4\u003e\u003cp\u003eThe serpentine belt and tensioner drive the water pump, alternator, and accessories. A worn belt or weak tensioner causes squeal, slip, and charging or cooling loss. A fresh belt and tensioner restore reliable accessory drive.\u003c\/p\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eConfirm your engine and model year before ordering. Not sure it fits? Email sales@coredieselparts.com with your VIN or engine and year and we will confirm the correct unit.\u003c\/p\u003e\u003ch4\u003eOrdering \u0026amp; Shipping\u003c\/h4\u003e\u003cp\u003eThis part is made to order and typically ships within 2–5 business days. Orders ship fast with tracking. Questions about fitment or your order? Email sales@coredieselparts.com and we are happy to help.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":49029614797025,"sku":"CDP-BELT-808524","price":84.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-belt-tensioner-new-direct-fit-diesel-replacement-1.jpg?v=1788538418"},{"product_id":"lly-duramax-belt-tensioner-new-direct-fit-diesel-replacement","title":"LLY Duramax Belt \u0026 Tensioner - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit belt \u0026amp; tensioner for the LLY Duramax diesel. It is a quality new, direct-fit replacement built to OEM-equivalent specification for a professional-grade repair that restores proper function and reliability to your truck.\u003c\/p\u003e\u003ch4\u003eWhat It Does \u0026amp; How It Helps\u003c\/h4\u003e\u003cp\u003eThe serpentine belt and tensioner drive the water pump, alternator, and accessories. A worn belt or weak tensioner causes squeal, slip, and charging or cooling loss. A fresh belt and tensioner restore reliable accessory drive.\u003c\/p\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eConfirm your engine and model year before ordering. Not sure it fits? Email sales@coredieselparts.com with your VIN or engine and year and we will confirm the correct unit.\u003c\/p\u003e\u003ch4\u003eOrdering \u0026amp; Shipping\u003c\/h4\u003e\u003cp\u003eThis part is made to order and typically ships within 2–5 business days. Orders ship fast with tracking. Questions about fitment or your order? Email sales@coredieselparts.com and we are happy to help.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":49035384193249,"sku":"CDP-BELT-576070","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-belt-tensioner-new-direct-fit-diesel-replacement-1_d3f53de3-0dcf-4ae8-b773-408756ee9575.jpg?v=1788586707"}],"url":"https:\/\/www.coredieselparts.com\/collections\/lly-duramax-belts-tensioners.oembed","provider":"CoreDieselParts.com","version":"1.0","type":"link"}