{"title":"LBZ Duramax IPR Valves","description":"\u003cp\u003eDirect-fit ipr valves for the LBZ Duramax diesel. Every part here is matched to the LBZ 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":"lbz-duramax-ipr-valve-2004-5-2010","title":"LBZ Duramax IPR Valve 2004.5-2010","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an injection pressure regulator (IPR) valve for the Chevrolet, GMC LBZ Duramax diesel (2004.5-2010). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade LBZ 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\u003eOn a HEUI injection system the injectors are fired by high-pressure ENGINE OIL rather than by a fuel rail, and the IPR valve is what meters that oil pressure. The ECM commands it to hold the pressure the injectors need to open — roughly 500 psi just to start, far more under load. When the IPR screen plugs, the valve sticks, or its seals harden with age and heat, the engine cannot build or hold injection control pressure: it cranks without starting, starts hard when cold, or falls on its face under throttle and logs an ICP or IPR duty-cycle fault. A correct replacement restores stable injection control pressure across the whole range.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ean injection pressure regulator valve as specified\u003c\/li\u003e\n\u003cli\u003eO-rings and seals where included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the LBZ 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 LBZ Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ean ICP, IPR or injection-control-pressure code\u003c\/li\u003e\n\u003cli\u003eextended crank, hard cold start or a no-start with normal cranking\u003c\/li\u003e\n\u003cli\u003ea surge, stumble or loss of power under load\u003c\/li\u003e\n\u003cli\u003eunstable or unreachable commanded injection control pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e LBZ 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 LBZ Duramax diesel parts.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":48943900950753,"sku":"CDP-IPR-lbz-duramax-01","price":48.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lbz-duramax-ipr-valve-2004-5-2010-1.jpg?v=1787013735"},{"product_id":"lbz-duramax-ipr-valve-2001-2011","title":"LBZ Duramax IPR Valve 2001-2011","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an injection pressure regulator (IPR) valve for the Chevrolet, GMC LBZ Duramax diesel (2001-2011). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade LBZ 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\u003eOn a HEUI injection system the injectors are fired by high-pressure ENGINE OIL rather than by a fuel rail, and the IPR valve is what meters that oil pressure. The ECM commands it to hold the pressure the injectors need to open — roughly 500 psi just to start, far more under load. When the IPR screen plugs, the valve sticks, or its seals harden with age and heat, the engine cannot build or hold injection control pressure: it cranks without starting, starts hard when cold, or falls on its face under throttle and logs an ICP or IPR duty-cycle fault. A correct replacement restores stable injection control pressure across the whole range.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003ean injection pressure regulator valve as specified\u003c\/li\u003e\n\u003cli\u003eO-rings and seals where included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the LBZ Duramax diesel engine, 2001-2011. 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 LBZ Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ean ICP, IPR or injection-control-pressure code\u003c\/li\u003e\n\u003cli\u003eextended crank, hard cold start or a no-start with normal cranking\u003c\/li\u003e\n\u003cli\u003ea surge, stumble or loss of power under load\u003c\/li\u003e\n\u003cli\u003eunstable or unreachable commanded injection control pressure\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e LBZ Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 2001-2011\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 LBZ Duramax diesel parts.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":48954474135777,"sku":"CDP-IPR-lbz-duramax-02","price":20.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lbz-duramax-ipr-valve-2001-2011-1.jpg?v=1787207316"},{"product_id":"lbz-duramax-ipr-valve-2006-2010","title":"LBZ Duramax IPR Valve 2006-2010 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit ipr valve for the LBZ Duramax diesel (2006-2010). 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 IPR (injection pressure regulator) controls high-pressure oil to the injectors on HEUI Power Stroke engines. A failing IPR causes hard starts, no-start, surging, and stalling. A fresh IPR restores stable injection-control pressure.\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":49029716934881,"sku":"CDP-IPRV-006282","price":112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_f4dff3e1-17e7-4607-9f26-ec834bed543e.jpg?v=1788482611"},{"product_id":"lbz-duramax-ipr-valve","title":"LBZ Duramax IPR Valve - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit ipr valve for the LBZ 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 IPR (injection pressure regulator) controls high-pressure oil to the injectors on HEUI Power Stroke engines. A failing IPR causes hard starts, no-start, surging, and stalling. A fresh IPR restores stable injection-control pressure.\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":49029716967649,"sku":"CDP-IPRV-581048","price":105.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lbz-duramax-ipr-valve-new-direct-fit-diesel-replacement-1.jpg?v=1788540377"},{"product_id":"lbz-duramax-ipr-valve-new-direct-fit-diesel-replacement","title":"LBZ Duramax IPR Valve - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit ipr valve for the LBZ 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 IPR (injection pressure regulator) controls high-pressure oil to the injectors on HEUI Power Stroke engines. A failing IPR causes hard starts, no-start, surging, and stalling. A fresh IPR restores stable injection-control pressure.\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":49035411456225,"sku":"CDP-IPRV-731996","price":70.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_69cc043c-0987-4a4e-96d6-99d5b1eb911a.jpg?v=1788587114"},{"product_id":"lbz-duramax-ipr-valve-new-direct-fit-diesel-replacement-1","title":"LBZ Duramax IPR Valve - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an direct-fit ipr valve for the LBZ 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 IPR (injection pressure regulator) controls high-pressure oil to the injectors on HEUI Power Stroke engines. A failing IPR causes hard starts, no-start, surging, and stalling. A fresh IPR restores stable injection-control pressure.\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":49043742458081,"sku":"CDP-IPRV-004495","price":116.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lbz-duramax-ipr-valve-new-direct-fit-diesel-replacement-1_ec3e3d1b-3291-45ed-817e-38224b945268.jpg?v=1788703966"}],"url":"https:\/\/www.coredieselparts.com\/collections\/lbz-duramax-ipr-valves.oembed","provider":"CoreDieselParts.com","version":"1.0","type":"link"}