{"product_id":"performance-water-pump-kit-for-chevrolet-silverado-2500-hd-3500-2001-2006-6-0l","title":"Performance Water Pump Kit for Chevrolet Silverado 2500 HD 3500 (2001-2006) 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Cooling Water Pump Kit for 2001-2006 Chevrolet Silverado 2500 HD, 3500 (GMT800)\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit replaces the worn factory water pump and fatigued drive components on the 2001-2006 Silverado 2500 HD and 3500 to restore coolant flow and prevent overheating under load.\u003c\/p\u003e\n\u003ch3\u003eThe Stock Chevrolet Silverado 2500 HD, 3500 Cooling Weakness\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on high-mileage \u003cstrong\u003eGMT800\u003c\/strong\u003e platforms frequently succumb to shaft seal failure, weep-hole discharge, and impeller cavitation. Sustained towing heat cycles stress the factory internal cartridge bearings, causing shaft runout that degrades the mechanical seal and leads to sudden coolant loss. Simultaneously, OEM spring-loaded tensioners lose clamping force over time, inducing belt slippage across the \u003cstrong\u003eVortec 6000\u003c\/strong\u003e accessory drive, decreasing alternator output, and degrading water pump volume precisely when thermal transfer is most critical.\u003c\/p\u003e\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis comprehensive refresh kit pairs a heavy-duty, precision-cast aluminum water pump housing with a balanced internal steel impeller engineered to combat cavitation at sustained high RPM. Featuring reinforced shaft seals and pre-installed thermostat assembly, it eliminates chronic leak points. The kit includes dual replacement EPDM serpentine belts—rated for superior heat and crack resistance—paired with a calibrated belt tensioner assembly to maintain exact belt tension, eliminate drive slip, and ensure reliable coolant circulation through the engine block and radiator core.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cdiv style=\"overflow-x: auto; margin-bottom: 20px;\"\u003e\n\u003ctable width=\"100% style=\"\u003e\n\u003ctbody\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;\"\u003e2001-2006 Chevrolet Silverado 2500 HD, 3500\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;\"\u003e\n\u003cstrong\u003e6.0L Vortec LQ4\u003c\/strong\u003e \/ \u003cstrong\u003eGMT800\u003c\/strong\u003e\n\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;\"\u003e300 hp \/ 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;\"\u003e\n\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, \u003cstrong\u003e19195104\u003c\/strong\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e2001-2006 Chevrolet Silverado 2500 HD 6.0L V8\u003c\/li\u003e\n\u003cli\u003e2001-2006 Chevrolet Silverado 3500 6.0L V8\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT800 Silverado 2500 HD, 3500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2001-2006 Chevrolet Silverado 2500 HD and 3500 equipped with the \u003cstrong\u003e6.0L LQ4\u003c\/strong\u003e Vortec V8 engine.\u003c\/p\u003e\n\u003ch4\u003eAre gaskets and the thermostat included with this kit?\u003c\/h4\u003e\n\u003cp\u003eYes, the assembly includes the thermostat, precision O-rings, and heavy-duty mounting gaskets for a leak-free bolt-on installation.\u003c\/p\u003e\n\u003ch3\u003eThe Chevrolet Heavy-Duty Standard\u003c\/h3\u003e\n\u003cp\u003eBuilt for severe-duty hauling and fleet applications, this cooling service kit ensures your truck maintains optimal operating temperatures without belt squeal or thermal degradation under maximum towing loads.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67544626725112,"sku":"DS-EE6P2E43W","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-chevrolet-silverado-2500-hd-3500-2001-2006-6-0l-1.jpg?v=1790708166","url":"https:\/\/performancechiptuning.com\/es\/products\/performance-water-pump-kit-for-chevrolet-silverado-2500-hd-3500-2001-2006-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}