{"title":"LLY Duramax Water Pumps","description":"\u003cp\u003eDirect-fit water pumps 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-water-pump-2004-5-2005","title":"LLY Duramax Water Pump 2004.5-2005","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump 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 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 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 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 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":48811300782305,"sku":"CDP-WP-lly-duramax-01","price":112.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-water-pump-2004-5-2005-1.jpg?v=1784950559"},{"product_id":"lly-duramax-water-pump-2004-2005-oem-252-994","title":"LLY Duramax Water Pump 2004-2005 OEM 252-994","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump for the Chevrolet, GMC LLY Duramax diesel (2004-2005). 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 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 LLY Duramax diesel engine, 2004-2005. 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 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 252-994\u003c\/li\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 2004-2005\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":48811387388129,"sku":"CDP-WP-lly-duramax-02","price":491.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-water-pump-2004-2005-1.jpg?v=1784957915"},{"product_id":"lly-duramax-welded-water-pump-2004-5-2005","title":"LLY Duramax Welded Water Pump 2004.5-2005","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is an engine water pump 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 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 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 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 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":48826761511137,"sku":"CDP-WP-lly-duramax-03","price":306.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-welded-water-pump-2004-5-2005-1.jpg?v=1785408470"},{"product_id":"lly-duramax-water-pump-2005","title":"LLY Duramax Water Pump 2005 - New Direct-Fit Diesel Replacement","description":"\u003ch4\u003eOverview\u003c\/h4\u003e\u003cp\u003eThis is a direct-fit water pump for the LLY Duramax diesel (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\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":49029396594913,"sku":"CDP-WATE-562949","price":118.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0843\/6593\/4817\/files\/lly-duramax-water-pump-2005-new-direct-fit-diesel-replacemen-1.jpg?v=1788533774"}],"url":"https:\/\/www.coredieselparts.com\/collections\/lly-duramax-water-pumps.oembed","provider":"CoreDieselParts.com","version":"1.0","type":"link"}