{"product_id":"jkorkm-aw5104-water-pump-with-integrated-thermostat-for-chevy-gmc-4-8l-5-3l-6-0l-pre-installed-thermostat-gaskets-included","title":"JkorkM AW5104 Water Pump with Integrated Thermostat for Chevy \u0026 GMC 4.8L\/5.3L\/6.0L — Pre-installed Thermostat, Gaskets Included","description":"\u003cp\u003e\u003cstrong\u003eJkorkM AW5104 is a direct-replacement water pump assembly with an integrated thermostat engineered to restore reliable cooling for GM 4.8L, 5.3L and 6.0L engines.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIf your GM truck or SUV is showing signs of cooling trouble, replacing the pump and thermostat as a single unit minimizes installation work and lowers the chance of leaks or thermostat failures later. This assembly ships with the thermostat pre-installed inside the pump housing plus the necessary gaskets and installation gloves to make swapping the unit straightforward for mechanics and experienced DIYers alike.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this water pump and thermostat fit?\u003c\/h3\u003e\n\u003cp\u003eThis JkorkM AW5104 assembly is built to match original-equipment fitment for many General Motors models across the 1999–2006 model years. It supports a wide range of Chevy, GMC, Buick, Cadillac, Hummer, Isuzu, Saab and commercial chassis applications that use GM 4.8L, 5.3L and 6.0L V8 engines.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Silverado, Express, Suburban, Tahoe, Trailblazer, SSR, W-series trucks — various 1999–2006 years.\u003c\/li\u003e\n  \u003cli\u003eGMC: Sierra, Savana, Yukon, Envoy, W-series medium-duty models — compatible model years included.\u003c\/li\u003e\n  \u003cli\u003eOther makes: Buick Rainier, Cadillac Escalade families, Hummer H2, Isuzu Ascender\/NPR\/NPR-HD, Saab 9-7X.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the integrated thermostat affect performance and reliability?\u003c\/h3\u003e\n\u003cp\u003eHaving the thermostat installed inside the pump housing reduces sealing interfaces and eliminates a separate thermostat leak path. The thermostat responds to coolant temperature to regulate flow, and installing both components together restores intended operating temperatures more reliably than replacing one part alone.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermostat pre-installed in housing to reduce assembly steps and leak points.\u003c\/li\u003e\n  \u003cli\u003eDesigned to maintain proper coolant circulation at engine operating temperature.\u003c\/li\u003e\n  \u003cli\u003eHelps prevent premature overheating or extended warm-up times from a failing thermostat.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat OEM numbers and part cross-references does this replace?\u003c\/h3\u003e\n\u003cp\u003eThe AW5104 assembly is manufactured to replace a broad set of OEM numbers commonly referenced for GM water pumps and thermostat housings. It covers many legacy part numbers so you can match it to your vehicle’s original parts list during parts lookup.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCovers OEM references including AW5087, 12456113, 12458935, 12569519 and many others for broad compatibility.\u003c\/li\u003e\n  \u003cli\u003eCross-reference list included to simplify verification against dealer parts numbers or repair manuals.\u003c\/li\u003e\n  \u003cli\u003eIntended as a direct replacement for vehicles originally equipped with those OEM numbers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the box and what should I expect during installation?\u003c\/h3\u003e\n\u003cp\u003eThe package includes the water pump assembly with the thermostat already mounted, all required gaskets, and disposable installation gloves. This reduces the number of separate parts to source and speeds up installation when performing cooling-system service.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eOne AW5104 water pump assembly with thermostat pre-installed inside the housing.\u003c\/li\u003e\n  \u003cli\u003eReplacement gaskets to ensure correct sealing and fitment.\u003c\/li\u003e\n  \u003cli\u003eInstallation gloves and customer support for fitment questions and after-sale concerns.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The JkorkM AW5104 water pump with thermostat is ideal for owners and technicians maintaining GM 4.8L\/5.3L\/6.0L-powered trucks, SUVs and commercial vehicles from the late 1990s through mid-2000s. Choose this assembly when you want a comprehensive pump-and-thermostat replacement that simplifies installation, matches many OEM part numbers, and restores proper cooling operation without hunting for separate thermostat housings or gaskets.\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 pump include the thermostat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes. The thermostat is factory-installed inside the water pump housing and not packaged separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Will this fit my 2004 Chevy Silverado 1500 5.3L?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Most 2004 Silverado 1500 5.3L models are compatible; verify against listed OEM cross-reference numbers to confirm fit.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JkorkM","offers":[{"title":"Default Title","offer_id":48080800809118,"sku":"B0FJQKZJ3M","price":139.69,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/jkorkm-aw5104-front-view-assembly.jpg?v=1785788041","url":"https:\/\/northtrailauto.ca\/products\/jkorkm-aw5104-water-pump-with-integrated-thermostat-for-chevy-gmc-4-8l-5-3l-6-0l-pre-installed-thermostat-gaskets-included","provider":"North Trail Auto","version":"1.0","type":"link"}