{"product_id":"leaptiger-water-pump-metal-gasket-thermostat-for-99-06-gm-4-8l-6-0l-trucks-direct-fit-pre-installed-thermostat","title":"LEAPTIGER Water Pump \u0026 Metal-Gasket Thermostat for 99–06 GM 4.8L–6.0L Trucks - Direct Fit, Pre-Installed Thermostat","description":"\u003cp\u003e\u003cstrong\u003eLEAPTIGER AW5104 is a complete replacement water pump assembly with a pre-installed metal-gasket thermostat designed to restore reliable cooling for 4.8L–6.0L GM V8 engines from 1999–2006.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your Silverado, Sierra, Tahoe, Yukon, Escalade or related GM vehicle is overheating, leaking, or showing cooling system warning signs, this OE-style water pump and thermostat kit is built to be a direct-fit swap that includes gaskets and seals for a straightforward installation. The assembly ships with the thermostat already installed, two metal gaskets plus an additional gasket, and carries LEAPTIGER's one-year warranty and 30-day refund policy for added confidence.\u003c\/p\u003e\n\n\u003ch3\u003eWill this water pump fit my truck or SUV?\u003c\/h3\u003e\n\u003cp\u003eThe AW5104 is engineered to match bolt patterns, pulley flange, and flow specifications used on many GM small-block V8s. It fits a long list of 4.8L, 5.3L and 6.0L engines across Chevy, GMC, Cadillac, Buick, Hummer, Isuzu and Saab models from 1999–2006.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models include Silverado, Sierra, Tahoe, Suburban, Avalanche, Yukon, Escalade, Express, Envoy, and more.\u003c\/li\u003e\n  \u003cli\u003eDesigned for 4.8L, 5.3L and 6.0L V8 engine families—confirm engine displacement and production year before ordering.\u003c\/li\u003e\n  \u003cli\u003eDirect replacement: same mounting points and thermostat outlet orientation as original equipment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included and how does it simplify installation?\u003c\/h3\u003e\n\u003cp\u003eLEAPTIGER supplies the water pump with the thermostat pre-installed plus all the necessary gaskets to minimize parts hunting and reduce installation time. This kit removes uncertainty about compatibility of small seals and metal gaskets that commonly cause leaks when reused or mismatched.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne complete water pump assembly with pre-installed thermostat for correct valve seating.\u003c\/li\u003e\n  \u003cli\u003eTwo metal gaskets and one additional gasket included to ensure leak-free sealing.\u003c\/li\u003e\n  \u003cli\u003eDirect-fit design aims to use existing pulleys and accessory drive hardware—follow factory torque specs during installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does LEAPTIGER ensure reliability and performance?\u003c\/h3\u003e\n\u003cp\u003eComponents are manufactured under OEM-style standards and inspected through professional testing to deliver consistent performance and long service life. Quality control measures reduce the risk of premature failure common with lower-grade aftermarket pumps.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eHigh-quality materials and precision machining for durable impeller and housing performance.\u003c\/li\u003e\n  \u003cli\u003eRigorous QA testing on each unit to validate fitment and sealing characteristics.\u003c\/li\u003e\n  \u003cli\u003eBacked by a 1-year warranty and a 30-day refund window for buyer reassurance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow should I maintain or check the pump after installation?\u003c\/h3\u003e\n\u003cp\u003eAfter installation, run the engine to normal operating temperature and inspect for leaks, proper thermostat opening, and stable coolant flow. Periodically check for fluid discoloration, bearing noise, or shaft play as part of routine cooling system maintenance.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eVerify coolant level and pressure-test the cooling circuit after installation.\u003c\/li\u003e\n  \u003cli\u003eListen for unusual bearing noise or inspect for wobble at the pulley during idling.\u003c\/li\u003e\n  \u003cli\u003eReplace coolant and thermostat housing hoses if aged to prevent future leaks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This LEAPTIGER AW5104 water pump and thermostat assembly is intended for DIY mechanics, professional technicians, and fleet managers who need a reliable, direct-replacement cooling component for late‑1990s to mid‑2000s GM V8 trucks and SUVs. Choose this kit when you want complete sealing hardware, an already-installed thermostat to save time, and factory-style fitment backed by warranty coverage.\u003c\/p\u003e\n\u003csection class=\"product-faq-snippet\"\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Does this water pump come with a thermostat pre-installed?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the AW5104 includes a thermostat that is pre-installed in the pump assembly for convenience.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Is there a warranty or return option?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: LEAPTIGER offers a 1-year warranty on the pump and a 30-day refund policy.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"LEAPTIGER","offers":[{"title":"Default Title","offer_id":48087764402334,"sku":"B0CY85FGYN","price":124.39,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/leaptiger-front-assembly-water-pump-aw5104.jpg?v=1785930808","url":"https:\/\/northtrailauto.ca\/products\/leaptiger-water-pump-metal-gasket-thermostat-for-99-06-gm-4-8l-6-0l-trucks-direct-fit-pre-installed-thermostat","provider":"North Trail Auto","version":"1.0","type":"link"}