{"product_id":"jkorkm-aw5104-water-pump-assembly-with-pre-installed-thermostat-for-chevy-gmc-4-8l-5-3l-6-0l-gaskets-included","title":"JkorkM AW5104 Water Pump Assembly with Pre-Installed Thermostat for Chevy\/GMC 4.8L–5.3L–6.0L, Gaskets Included","description":"\u003cp\u003e\u003cstrong\u003eThe JkorkM AW5104 is a complete water pump assembly with a pre-installed thermostat engineered to replace OEM units on Chevy, GMC, Buick, Cadillac, Hummer, Isuzu and Saab Vortec engines (4.8L, 5.3L, 6.0L).\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis heavy-duty replacement combines the pump and thermostat in one sealed assembly to simplify installation and restore reliable coolant circulation for older GM engines. Designed to match the fit and mounting points of common OEM part numbers, the AW5104 kit arrives with gaskets and gloves so you can replace the pump and thermostat in a single service session. It targets vehicles from late 1990s through mid-2000s—truck and SUV platforms frequently showing wear in cooling components.\u003c\/p\u003e\n\n\u003ch3\u003eWhich vehicles will this pump fit?\u003c\/h3\u003e\n\u003cp\u003eThe AW5104 assembly is compatible with a long list of GM platforms using 4.8L, 5.3L and 6.0L engines. It replaces multiple OEM numbers so it fits many Express, Silverado, Sierra, Suburban, Tahoe, Yukon, Envoy, Savana and similar models from model years roughly 1999–2006. Always cross-check the listed OEM part numbers and engine displacement with your vehicle’s VIN before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFits Chevy, GMC, Buick, Cadillac, Hummer, Isuzu and Saab models listed for 1999–2006.\u003c\/li\u003e\n  \u003cli\u003eReplaces OEM part numbers: AW5104, AW5087, 12456113, 12569519, and many more.\u003c\/li\u003e\n  \u003cli\u003eIntended for 4.8L, 5.3L and 6.0L Vortec engines used in trucks and SUVs.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does combining pump and thermostat help when servicing cooling systems?\u003c\/h3\u003e\n\u003cp\u003eInstalling a pump with the thermostat already inside minimizes leak risk and guarantees the thermostat seating and sensor alignment are correct. This integrated approach reduces labor time compared with separate parts and helps ensure the replaced components behave as a matched set under normal engine temperatures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eThermostat pre-installed in pump housing for correct fitment.\u003c\/li\u003e\n  \u003cli\u003eSealed assembly reduces chances of coolant leaks at the mating surfaces.\u003c\/li\u003e\n  \u003cli\u003eSingle part number simplifies ordering and inventory for shops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat comes in the package and what should I expect during installation?\u003c\/h3\u003e\n\u003cp\u003eThe shipment includes one AW6009 water pump assembly (AW5104 family) with thermostat pre-installed, all required gaskets, and disposable installation gloves. Typical installation requires draining coolant, removing the accessory drive components as needed, swapping the pump assembly, installing the new gaskets, and refilling and bleeding the cooling system.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes pump assembly, gaskets and gloves—thermostat is pre-installed.\u003c\/li\u003e\n  \u003cli\u003eFollow factory torque specs and coolant fill\/bleed procedures for best results.\u003c\/li\u003e\n  \u003cli\u003eRecommended: inspect belts, hoses and coolant condition while servicing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWill this improve my vehicle’s cooling reliability?\u003c\/h3\u003e\n\u003cp\u003eReplacing an old water pump and thermostat with a matched assembly reduces the chances of thermostat failure, leaks around the pump flange, and flow restrictions caused by worn impellers. While it won’t change engine tuning, it restores the original coolant flow path and thermostat operation when installed correctly.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eNew impeller and housing restore coolant flow performance.\u003c\/li\u003e\n  \u003cli\u003eNew thermostat helps maintain designed operating temperature range.\u003c\/li\u003e\n  \u003cli\u003eQuality control aims to match original fit and function—inspect gasket surfaces before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: This JkorkM AW5104 water pump with thermostat is aimed at DIY mechanics, independent repair shops and fleet managers servicing GM trucks and large SUVs from the 1999–2006 era who need a dependable, single-part replacement that covers numerous OEM numbers. Choose this assembly if you want a direct-fit pump\/thermostat unit with included gaskets and a straightforward install process to restore your vehicle’s cooling system.\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 the AW5104 include the thermostat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes—the thermostat is pre-installed inside the water pump housing and not shipped separately.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this pump on a 2005 Silverado 1500?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, the AW5104 is compatible with 2005 Silverado 1500 models using 4.8L, 5.3L or 6.0L engines; verify OEM part numbers first.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"JkorkM","offers":[{"title":"Default Title","offer_id":67585610678457,"sku":"B0FJQKZJ3M","price":233.62,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/jkorkm-front-view-water-pump.jpg?v=1790474304","url":"https:\/\/redleafauto.ca\/products\/jkorkm-aw5104-water-pump-assembly-with-pre-installed-thermostat-for-chevy-gmc-4-8l-5-3l-6-0l-gaskets-included","provider":"Redleaf Auto","version":"1.0","type":"link"}