{"title":"LLY Duramax Injector Lines","description":"\u003cp\u003eDirect-fit injector lines 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-injector-line-kit-2004-5-2005","title":"LLY Duramax Injector Line Kit 2004.5-2005","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an injector supply line \/ connector tube set 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 injector lines and connector tubes carry fuel from the rail or pump to each injector at very high pressure, and their sealing surfaces are machined cones that seal metal-to-metal. Once a line has been removed, over-torqued or corroded, that cone no longer seats and the joint weeps or whistles under pressure. Cracked, kinked or previously-disturbed lines are a common cause of hard starting, rough running and raw-fuel smell, and a leaking high-pressure joint is a genuine fire risk. Replacing the lines or connector tubes as a set restores a proper seal on every cylinder rather than chasing one leak at a time.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003einjector supply lines or connector tubes as specified\u003c\/li\u003e\n\u003cli\u003eseals, washers or retainers where included\u003c\/li\u003e\n\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\u003ea fuel leak, weep or smell at the injector or rail fittings\u003c\/li\u003e\n\u003cli\u003ehard starting, long crank or a rough idle\u003c\/li\u003e\n\u003cli\u003ea whistle or hiss under load from a high-pressure joint\u003c\/li\u003e\n\u003cli\u003elines disturbed during injector, head or turbo work\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":48856582160609,"sku":"CDP-ILK-lly-duramax-01","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-injector-line-kit-2004-5-2010-1.jpg?v=1785905468"},{"product_id":"lly-duramax-injector-line-kit-2004-5-2010","title":"LLY Duramax Injector Line Kit 2004.5-2010","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an injector supply line \/ connector tube set for the Chevrolet, GMC LLY Duramax diesel (2004.5-2010). 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 injector lines and connector tubes carry fuel from the rail or pump to each injector at very high pressure, and their sealing surfaces are machined cones that seal metal-to-metal. Once a line has been removed, over-torqued or corroded, that cone no longer seats and the joint weeps or whistles under pressure. Cracked, kinked or previously-disturbed lines are a common cause of hard starting, rough running and raw-fuel smell, and a leaking high-pressure joint is a genuine fire risk. Replacing the lines or connector tubes as a set restores a proper seal on every cylinder rather than chasing one leak at a time.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003einjector supply lines or connector tubes as specified\u003c\/li\u003e\n\u003cli\u003eseals, washers or retainers where included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the LLY Duramax diesel engine, 2004.5-2010. 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\u003ea fuel leak, weep or smell at the injector or rail fittings\u003c\/li\u003e\n\u003cli\u003ehard starting, long crank or a rough idle\u003c\/li\u003e\n\u003cli\u003ea whistle or hiss under load from a high-pressure joint\u003c\/li\u003e\n\u003cli\u003elines disturbed during injector, head or turbo work\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 2004.5-2010\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":48944731128033,"sku":"CDP-ILK-lly-duramax-02","price":73.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-injector-line-kit-2004-5-2010-1_c67de6cc-31f0-4e08-8da6-35e8908cb256.jpg?v=1787030965"},{"product_id":"lly-duramax-injector-line-kit-2004-5-2005-8-piece","title":"LLY Duramax Injector Line Kit 2004.5-2005 8-Piece","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an injector supply line \/ connector tube set 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 injector lines and connector tubes carry fuel from the rail or pump to each injector at very high pressure, and their sealing surfaces are machined cones that seal metal-to-metal. Once a line has been removed, over-torqued or corroded, that cone no longer seats and the joint weeps or whistles under pressure. Cracked, kinked or previously-disturbed lines are a common cause of hard starting, rough running and raw-fuel smell, and a leaking high-pressure joint is a genuine fire risk. Replacing the lines or connector tubes as a set restores a proper seal on every cylinder rather than chasing one leak at a time.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003einjector supply lines or connector tubes as specified\u003c\/li\u003e\n\u003cli\u003eseals, washers or retainers where included\u003c\/li\u003e\n\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\u003ea fuel leak, weep or smell at the injector or rail fittings\u003c\/li\u003e\n\u003cli\u003ehard starting, long crank or a rough idle\u003c\/li\u003e\n\u003cli\u003ea whistle or hiss under load from a high-pressure joint\u003c\/li\u003e\n\u003cli\u003elines disturbed during injector, head or turbo work\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":48949457813729,"sku":"CDP-ILK-lly-duramax-03","price":134.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-injector-line-kit-2004-5-2005-1.jpg?v=1787107668"},{"product_id":"lly-duramax-injector-line-2004","title":"LLY Duramax Injector Line 2004 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line for the LLY Duramax diesel (2004). 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49029569478881,"sku":"CDP-INJE-888626","price":313.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_06570592-409e-4e19-bb83-e64b79a11f6a.jpg?v=1788476130"},{"product_id":"lly-duramax-injector-line","title":"LLY Duramax Injector Line - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49029570396385,"sku":"CDP-INJE-828948","price":243.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_2ec46b53-8d94-45cf-9210-37277d1eed97.jpg?v=1788476147"},{"product_id":"lly-duramax-injector-line-2004-2005","title":"LLY Duramax Injector Line 2004-2005 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line for the LLY Duramax diesel (2004-2005). 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49029570494689,"sku":"CDP-INJE-223829","price":315.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_fe5426f4-ba27-4ba0-b17f-0757069dad35.jpg?v=1788476155"},{"product_id":"lly-duramax-injector-line-new-direct-fit-diesel-replacement","title":"LLY Duramax Injector Line - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49035380130017,"sku":"CDP-INJE-981918","price":313.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_7c039022-5a7a-44d3-98a6-c9aa7fd86458.jpg?v=1788586558"},{"product_id":"lly-duramax-injector-line-2004-new-direct-fit-diesel-replacement","title":"LLY Duramax Injector Line 2004 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line for the LLY Duramax diesel (2004). 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49035380228321,"sku":"CDP-INJE-518439","price":145.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_6f080788-1c86-4972-8b06-398e9f97daff.jpg?v=1788586572"},{"product_id":"lly-duramax-injector-line-new-direct-fit-diesel-replacement-1","title":"LLY Duramax Injector Line - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49043739279585,"sku":"CDP-INJE-291703","price":235.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_7c5b3f84-ebd3-4185-bd3a-811a29db2a59.jpg?v=1788703493"},{"product_id":"lly-duramax-injector-line-2004-new-direct-fit-diesel-replacement-1","title":"LLY Duramax Injector Line 2004 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit injector line for the LLY Duramax diesel (2004). 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\u003eHigh-pressure injector lines carry fuel from the pump to each injector. Cracked or leaking lines cause hard starts, misfire, fuel leaks, and lost power. Fresh lines restore correct, leak-free fuel delivery.\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":49043739312353,"sku":"CDP-INJE-459772","price":121.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-injector-line-2004-new-direct-fit-diesel-replace-1.jpg?v=1788703501"}],"url":"https:\/\/www.coredieselparts.com\/collections\/lly-duramax-injector-lines.oembed","provider":"CoreDieselParts.com","version":"1.0","type":"link"}