{"product_id":"performance-water-pump-kit-for-chevrolet-avalanche-2007-2013-5-3l-6-0l","title":"Performance Water Pump Kit for Chevrolet Avalanche (2007-2013) 5.3L 6.0L","description":"\u003ch2 style=\"font-size: clamp(18px, 3vw, 21px); margin-bottom: 15px; line-height: 1.3;\"\u003eHeavy-Duty Performance Water Pump Kit for 2007-2013 Chevrolet Avalanche (GMT900)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit replaces the failure-prone factory coolant pump and thermostat on the 2007-2013 Avalanche to restore precise thermal regulation and prevent severe overheating under heavy hauling conditions.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock Chevrolet Avalanche Cooling Deficiencies\u003c\/h3\u003e\n\u003cp\u003eThe factory cooling system on the \u003cstrong\u003eGMT900\u003c\/strong\u003e platform is notorious for mechanical weep-hole leakage and internal unit bearing failure over extended run cycles. On high-mileage \u003cstrong\u003eVortec 5.3L (LY5\/LMG\/LC9)\u003c\/strong\u003e and \u003cstrong\u003e6.0L (L76)\u003c\/strong\u003e engines, cyclical heat soak causes the factory unitized shaft seal to harden and crack. Concurrently, factory thermostat housings are vulnerable to mating-surface micro-warping, resulting in persistent coolant seepage, dangerous cavitation around the impeller vanes, and compromised thermal transfer during severe towing duty cycles.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eEngineered for sustained thermal stress, this high-flow water pump assembly features a reinforced die-cast aluminum housing paired with heavy-duty dual-row bearings to counteract high-RPM radial loads. An upgraded mechanical carbon-ceramic shaft seal prevents fluid penetration into the bearing race, while the precision-stamped impeller maintains steady coolant velocity without cavitation. Supplying direct-fit OE interchange for \u003cstrong\u003e12681417\u003c\/strong\u003e, \u003cstrong\u003e12600767\u003c\/strong\u003e, and \u003cstrong\u003eAW6009\u003c\/strong\u003e, this kit integrates fresh application-specific elastomeric gaskets and a calibrated thermostat assembly to establish a leak-free hydraulic seal.\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 Avalanche\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;\"\u003e5.3L, 6.0L Vortec Gen IV \/ 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;\"\u003e310-366 hp \/ 335-376 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 Avalanche 5.3L V8 (LS Gen IV Vortec)\u003c\/li\u003e\n  \u003cli\u003e2007-2009 Chevrolet Avalanche 6.0L V8 (LS Gen IV Vortec)\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 Avalanche?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2007-2013 Chevrolet Avalanche equipped with the \u003cstrong\u003e5.3L\u003c\/strong\u003e or \u003cstrong\u003e6.0L\u003c\/strong\u003e Gen IV Small Block V8 engine.\u003c\/p\u003e\n\n\u003ch4\u003eDo I need to bleed the cooling system after installing this pump?\u003c\/h4\u003e\n\u003cp\u003eYes, thorough cooling system burping is required to purge trapped air from the cylinder heads and verify proper thermostat cycling at operating temperature.\u003c\/p\u003e\n\n\u003ch3\u003eThe Chevrolet Durability Standard\u003c\/h3\u003e\n\u003cp\u003eEngineered to meet rigorous truck-grade standards, this cooling assembly ensures maximum thermal control and towing reliability whether handling heavy payload runs or high-mileage utility work.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67545104154872,"sku":"DS-E34H19R7Z","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-avalanche-2007-2013-5-3l-6-0l-1.jpg?v=1790716779","url":"https:\/\/performancechiptuning.com\/products\/performance-water-pump-kit-for-chevrolet-avalanche-2007-2013-5-3l-6-0l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}