{"title":"L5P Duramax Water Pumps","description":"\u003cp\u003eDirect-fit water pumps for the L5P Duramax diesel. Every part here is matched to the L5P 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":"l5p-duramax-water-pump-2017-2020-oem-12680257-alliant-power","title":"L5P Duramax Water Pump 2017-2020 OEM 12680257 - Alliant Power","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump for the Chevrolet, GMC L5P Duramax diesel (2017-2020). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade L5P 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 water pump circulates coolant through the block, heads and radiator to carry heat away from the engine. A worn bearing gets noisy, the shaft seal starts weeping coolant, and a failing impeller lets the engine overheat under load. A new OE-spec water pump, with its gasket or seal, restores full coolant flow and reliable engine cooling — best replaced at the first sign of a leak or bearing noise, before it strands you.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003ea water pump and its gasket or seal as specified\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the L5P Duramax diesel engine, 2017-2020. 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 L5P Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ea coolant leak at the pump\u003c\/li\u003e\n\u003cli\u003ea noisy or failing water-pump bearing\u003c\/li\u003e\n\u003cli\u003eoverheating from poor coolant flow\u003c\/li\u003e\n\u003cli\u003ea water pump service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Part Number:\u003c\/strong\u003e 12680257\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e L5P Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 2017-2020\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 L5P Duramax diesel parts.\u003c\/p\u003e","brand":"Alliant Power","offers":[{"title":"Default Title","offer_id":48811422941409,"sku":"CDP-WP-l5p-duramax-01","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2020-1.jpg?v=1784961456"},{"product_id":"l5p-duramax-water-pump-2017-2021","title":"L5P Duramax Water Pump 2017-2021","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump for the Chevrolet, GMC L5P Duramax diesel (2017-2021). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade L5P 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 water pump circulates coolant through the block, heads and radiator to carry heat away from the engine. A worn bearing gets noisy, the shaft seal starts weeping coolant, and a failing impeller lets the engine overheat under load. A new OE-spec water pump, with its gasket or seal, restores full coolant flow and reliable engine cooling — best replaced at the first sign of a leak or bearing noise, before it strands you.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003ea water pump and its gasket or seal as specified\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the L5P Duramax diesel engine, 2017-2021. 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 L5P Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ea coolant leak at the pump\u003c\/li\u003e\n\u003cli\u003ea noisy or failing water-pump bearing\u003c\/li\u003e\n\u003cli\u003eoverheating from poor coolant flow\u003c\/li\u003e\n\u003cli\u003ea water pump service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e L5P Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 2017-2021\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 L5P Duramax diesel parts.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":48895808864481,"sku":"CDP-WP-l5p-duramax-02","price":392.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2021-1.jpg?v=1786365202"},{"product_id":"l5p-duramax-water-pump-2017-2019-fass","title":"L5P Duramax Water Pump 2017-2019 - FASS","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump for the Chevrolet, GMC L5P Duramax diesel (2017-2019). Built to OEM specification and engineered as a direct-fit replacement for a professional-grade L5P 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 water pump circulates coolant through the block, heads and radiator to carry heat away from the engine. A worn bearing gets noisy, the shaft seal starts weeping coolant, and a failing impeller lets the engine overheat under load. A new OE-spec water pump, with its gasket or seal, restores full coolant flow and reliable engine cooling — best replaced at the first sign of a leak or bearing noise, before it strands you.\u003c\/p\u003e\u003ch4\u003eWhat's Included\u003c\/h4\u003e\u003cul\u003e\u003cli\u003ea water pump and its gasket or seal as specified\u003c\/li\u003e\u003c\/ul\u003e\u003ch4\u003eFitment\u003c\/h4\u003e\u003cp\u003eFits Chevrolet, GMC trucks equipped with the L5P Duramax diesel engine, 2017-2019. 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 L5P Duramax part when you experience:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003ea coolant leak at the pump\u003c\/li\u003e\n\u003cli\u003ea noisy or failing water-pump bearing\u003c\/li\u003e\n\u003cli\u003eoverheating from poor coolant flow\u003c\/li\u003e\n\u003cli\u003ea water pump service\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eSpecifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEngine:\u003c\/strong\u003e L5P Duramax\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eYear Range:\u003c\/strong\u003e 2017-2019\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 L5P Duramax diesel parts.\u003c\/p\u003e","brand":"CoreDieselParts.com","offers":[{"title":"Default Title","offer_id":48992223756513,"sku":"CDP-WP-l5p-duramax-03","price":1311.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2019-1.jpg?v=1787726565"},{"product_id":"l5p-duramax-water-pump-2017-2023","title":"L5P Duramax Water Pump 2017-2023 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P Duramax diesel (2017-2023). 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49029380931809,"sku":"CDP-WATE-445268","price":360.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2023-new-direct-fit-diesel-repla-1.jpg?v=1788533294"},{"product_id":"l5p-duramax-water-pump","title":"L5P Duramax Water Pump - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49029381128417,"sku":"CDP-WATE-305366","price":343.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_c9a2528d-4383-4268-9bc6-328807bc4e7f.jpg?v=1788469677"},{"product_id":"l5p-duramax-water-pump-2019","title":"L5P Duramax Water Pump 2019 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P Duramax diesel (2019). 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49029397676257,"sku":"CDP-WATE-565729","price":93.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2019-new-direct-fit-diesel-replacemen-1.jpg?v=1788533876"},{"product_id":"l5p-duramax-water-pump-2017-2023-new-direct-fit-diesel-replacement","title":"L5P Duramax Water Pump 2017-2023 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P Duramax diesel (2017-2023). 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49035463491809,"sku":"CDP-WATE-821758","price":112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2023-new-direct-fit-diesel-repla-1_235db10c-db41-4bf0-87b5-01955a0bd846.jpg?v=1788588074"},{"product_id":"l5p-duramax-water-pump-new-direct-fit-diesel-replacement","title":"L5P Duramax Water Pump - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49035463590113,"sku":"CDP-WATE-656950","price":129.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-new-direct-fit-diesel-replacement-1.jpg?v=1788588087"},{"product_id":"l5p-duramax-water-pump-2017-2023-new-direct-fit-diesel-replacement-1","title":"L5P Duramax Water Pump 2017-2023 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P Duramax diesel (2017-2023). 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49043744784609,"sku":"CDP-WATE-345867","price":360.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/l5p-duramax-water-pump-2017-2023-new-direct-fit-diesel-repla-1_2b04767b-0d72-4692-be8d-9d7271d31cf2.jpg?v=1788704618"},{"product_id":"l5p-duramax-water-pump-new-direct-fit-diesel-replacement-1","title":"L5P Duramax Water Pump - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the L5P 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 water pump circulates coolant to keep the engine cool. A worn bearing or leaking seal leads to overheating. A new pump restores reliable coolant flow.\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":49043744817377,"sku":"CDP-WATE-068641","price":343.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/s-l1600_4125889d-04d2-435a-a8d8-effa8b51a79c.jpg?v=1788704627"}],"url":"https:\/\/www.coredieselparts.com\/collections\/l5p-duramax-water-pumps.oembed","provider":"CoreDieselParts.com","version":"1.0","type":"link"}