{"product_id":"performance-water-pump-kit-for-gmc-yukon-xl-2000-2006-5-3l","title":"Performance Water Pump Kit for GMC Yukon XL (2000-2006) 5.3L","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 2000-2006 GMC Yukon XL (GMT800)\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat it Does:\u003c\/strong\u003e The Performance Water Pump Kit restores thermal regulation and front accessory drive stability on the 2000-2006 GMC Yukon XL to eliminate cooling loss and prevent high-load overheating.\u003c\/p\u003e\n\n\u003ch3\u003eThe Stock GMC Yukon XL Cooling System Failure Modes\u003c\/h3\u003e\n\u003cp\u003eFactory cooling systems on the \u003cstrong\u003eGMT800\u003c\/strong\u003e platform suffer from progressive mechanical shaft seal breakdown, weeping weep holes, and bearing play after years of high-thermal operation. On the \u003cstrong\u003eVortec 5.3L LM7\u003c\/strong\u003e, aged internal pump impellers experience cavitation wear, reducing overall coolant flow across the radiator core. Compounding this, worn factory spring-loaded tensioners lose damping resistance over time, allowing belt slip across the water pump, generator, and A\/C drive pulleys during high-torque pulling or severe stop-and-go cycles.\u003c\/p\u003e\n\n\u003ch3\u003eThe Engineering Solution\u003c\/h3\u003e\n\u003cp\u003eThis complete service solution delivers a precision-machined aluminum water pump housing fitted with reinforced internal seals and a balanced impeller to maintain consistent flow rates under extreme thermal stress. The assembly replaces degraded components with factory-calibrated belt tensioners, high-grade EPDM multi-rib serpentine belts, and fresh thermodynamic sealing interfaces. By restoring factory-correct belt tension and dynamic fluid circulation, this system prevents accessory drag, dampens vibration harmonics, and eliminates heat soak under heavy trailering demands.\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;\"\u003e2000-2006 GMC Yukon XL 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;\"\u003e\n\u003cstrong\u003eVortec 5.3L (LM7\/L59)\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;\"\u003e285-295 hp \/ 325-335 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\/table\u003e\n\u003c\/div\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e2000-2006 GMC Yukon XL 1500 5.3L Vortec V8 (LM7 \/ L59)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eDoes this fit the GMT800 Yukon XL?\u003c\/h4\u003e\n\u003cp\u003eYes, this is a direct fit for the 2000-2006 GMC Yukon XL equipped with the \u003cstrong\u003eLM7\u003c\/strong\u003e 5.3L engine.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this kit include the thermostat and installation gaskets?\u003c\/h4\u003e\n\u003cp\u003eYes, the assembly comes complete with the integrated thermostat, O-rings, mounting hardware, and precision die-cut gaskets required for a leak-free installation.\u003c\/p\u003e\n\n\u003ch3\u003eThe GMC Towing Caliber\u003c\/h3\u003e\n\u003cp\u003eEngineered to handle heavy-load trailering and severe duty cycles, this assembly maintains hydraulic stability and consistent cooling performance across the entire \u003cstrong\u003eGMT800\u003c\/strong\u003e service life.\u003c\/p\u003e","brand":"VelocityMax","offers":[{"title":"Default Title","offer_id":67544666898680,"sku":"DS-E2W0MHA0P","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-yukon-xl-2000-2006-5-3l-1.jpg?v=1790708639","url":"https:\/\/performancechiptuning.com\/fr\/products\/performance-water-pump-kit-for-gmc-yukon-xl-2000-2006-5-3l","provider":"Performance Chip Tuning","version":"1.0","type":"link"}