{"product_id":"performance-water-pump-kit-for-gmc-savana-2500-2003-2006-4-8l-5-3l-6-0l","title":"Performance Water Pump Kit for GMC Savana 2500 (2003-2006) 4.8L 5.3L 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Water Pump and Accessory Drive Kit for 2003-2006 GMC Savana 2500 (GMT610)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit replaces the failure-prone factory water pump, mechanical belt tensioner, and drive belts on the 2003-2006 GMC Savana 2500 to eliminate coolant weeping, maintain proper accessory drive tension, and prevent thermal runaway under heavy commercial loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Savana 2500 Cooling and Drive Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eGMT610\u003c\/strong\u003e platform vans equipped with \u003cstrong\u003eVortec Gen III Small Block V8\u003c\/strong\u003e engines (\u003cstrong\u003eLR4\u003c\/strong\u003e, \u003cstrong\u003eLM7\u003c\/strong\u003e, and \u003cstrong\u003eLQ4\u003c\/strong\u003e) regularly encounter severe thermal cycling and shaft bearing fatigue. Over time, the OEM water pump mechanical shaft seal degrades, causing coolant to weep through the vent cavity and leading to bearing play. Concurrently, factory spring-loaded tensioner pulleys suffer dampening decay, causing excessive belt flutter, slippage, and premature accessory drive failure under high alternator and A\/C compressor draw in fleet and towing environments.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive service kit addresses mechanical coolant loss and drive wear by combining an upgraded cast aluminum water pump assembly with heavy-duty tensioners and pre-stretched serpentine belts. The water pump features precision-ground hardened steel bearing shafts and a reinforced mechanical face seal to eliminate cavitation and fluid migration. Mated with an integrated thermostat, fresh die-cut mounting gaskets, and an auxiliary A\/C belt, this kit stabilizes engine operating temperatures across long duty cycles. OE-spec replacement references include \u003cstrong\u003e12580162\u003c\/strong\u003e, \u003cstrong\u003e12609719\u003c\/strong\u003e, \u003cstrong\u003e12560380\u003c\/strong\u003e, \u003cstrong\u003e12562458\u003c\/strong\u003e, \u003cstrong\u003e12703898\u003c\/strong\u003e, and \u003cstrong\u003e19195104\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n  \u003ctable width=\"100%\" style=\"border-collapse: collapse; border: 1px solid #e0e0e0; font-size: 14px; min-width: 300px;\"\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eFitment\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e2003-2006 GMC Savana 2500\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eEngine \/ Chassis\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003eVortec 4.8L (LR4) \/ 5.3L (LM7) \/ 6.0L (LQ4) \/ GMT610\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color: #f9f9f9;\"\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eStock Output\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e275-300 hp \/ 290-360 lb-ft\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth style=\"padding:10px; text-align: left; border: 1px solid #e0e0e0;\"\u003eReplaces OEM Part #\u003c\/th\u003e\n\u003ctd style=\"padding:10px; border: 1px solid #e0e0e0;\"\u003e12580162, 12609719, 12560380, 12562458, 12703898, 19195104\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2004-2006 GMC Savana 2500 4.8L Vortec V8 (LR4)\u003c\/li\u003e\n  \u003cli\u003e2003-2005 GMC Savana 2500 5.3L Vortec V8 (LM7)\u003c\/li\u003e\n  \u003cli\u003e2004-2006 GMC Savana 2500 6.0L Vortec V8 (LQ4)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT610 Savana 2500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2003-2006 GMC Savana 2500 equipped with the Vortec Gen III V8 engine platform.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this water pump assembly include the thermostat and housing?\u003c\/h4\u003e\n\u003cp\u003eYes, this assembly comes complete with the integrated thermostat, housing, matching O-rings, and block gaskets for a leak-free installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Commercial Fleet Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered for relentless hauling, payload management, and prolonged commercial idling, this cooling and accessory drive kit restores factory hydraulic flow dynamics and prevents thermal derate under heavy towing loads.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67544672207096,"sku":"DS-ET1RJJ0A7","price":193.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/1290\/2648\/files\/performance-water-pump-kit-for-gmc-savana-2500-2003-2006-4-8l-5-3l-6-0l-1.jpg?v=1790708730","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-water-pump-kit-for-gmc-savana-2500-2003-2006-4-8l-5-3l-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}