{"product_id":"performance-water-pump-kit-for-chevrolet-silverado-1500-2007-2013-4-8l-5-3l-6-0l-6-2l","title":"Performance Water Pump Kit for Chevrolet Silverado 1500 (2007-2013) 4.8L 5.3L 6.0L 6.2L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Water Pump Kit for 2007-2013 Chevrolet Silverado 1500 (GMT900)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit maintains uniform coolant flow across the engine block and radiator on the 2007-2013 Chevrolet Silverado 1500 to stabilize operating temperatures under sustained loads.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Silverado 1500 Cooling Vulnerability\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on high-mileage \u003cstrong\u003eGMT900\u003c\/strong\u003e trucks powered by \u003cstrong\u003eGen IV Vortec\u003c\/strong\u003e engines frequently suffer from shaft seal degradation and internal bearing failure. Extended thermal cycling hardens the factory mechanical seals, resulting in coolant weeping from the lower weep hole, dry shaft friction, and bearing play. Over time, cavitation from stamped-steel impellers reduces flow efficiency, leading to hot spots in the rear cylinder heads and thermal throttling during heavy towing or hot idle conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis direct-fit water pump assembly utilizes a heavy-duty, heat-treated internal bearing coupled with an upgraded elastomeric mechanical seal to resist high-pressure fluid blow-by. The high-flow impeller profile delivers maximum hydraulic efficiency and eliminates cavitation across high-RPM operation. Cast from premium aluminum with precision-machined mating surfaces, this kit directly replaces OEM references \u003cstrong\u003e12681417\u003c\/strong\u003e, \u003cstrong\u003e12600767\u003c\/strong\u003e, and \u003cstrong\u003eAW6009\u003c\/strong\u003e, restoring thermal stability and reliable block cooling.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 Engine Water Pump\u003c\/li\u003e\n  \u003cli\u003e1 Thermostat Housing\u003c\/li\u003e\n  \u003cli\u003e1 Thermostat\u003c\/li\u003e\n  \u003cli\u003e2 Rectangular Gaskets\u003c\/li\u003e\n  \u003cli\u003e1 Oval Gasket\u003c\/li\u003e\n  \u003cli\u003e2 Mounting Bolts\u003c\/li\u003e\n\u003c\/ul\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;\"\u003e2007-2013 Chevrolet Silverado 1500\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;\"\u003eGen IV Vortec (4.8L, 5.3L, 6.0L, 6.2L) \/ GMT900\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;\"\u003e295–403 hp \/ 305–417 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;\"\u003e12681417, 12600767, AW6009\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\u003e2007-2013 Chevrolet Silverado 1500 (4.8L, 5.3L, 6.0L, 6.2L V8)\u003c\/li\u003e\n  \u003cli\u003e2007 Chevrolet Silverado 1500 Classic (4.8L, 5.3L, 6.0L V8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions \u0026amp; Fitment Warnings\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT900 Silverado 1500?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2013 Chevrolet Silverado 1500 equipped with the \u003cstrong\u003eGen IV Vortec\u003c\/strong\u003e V8 engines, as well as the 2007 Classic edition.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to bleed the cooling system after installing this pump?\u003c\/h4\u003e\n\u003cp\u003eYes, proper vacuum filling or manual air burping through the steam vent ports is necessary to prevent trapped air pockets from causing localized overheating.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle severe fleet duty and heavy payload towing, this cooling assembly ensures your truck maintains rock-solid thermal control under continuous operating strain.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545096683768,"sku":"DS-E6I3FADU7","price":108.95,"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-1500-2007-2013-4-8l-5-3l-6-0l-6-2l-1.jpg?v=1790716603","url":"https:\/\/performancechiptuning.com\/products\/performance-water-pump-kit-for-chevrolet-silverado-1500-2007-2013-4-8l-5-3l-6-0l-6-2l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}