{"product_id":"tomanic-aw5104-water-pump-kit-for-4-8l-5-3l-6-0l-v8-direct-fit-with-thermostat-gasket","title":"Tomanic AW5104 Water Pump Kit for 4.8L\/5.3L\/6.0L V8 — Direct-Fit with Thermostat Gasket","description":"\u003cstrong\u003ePremium direct-fit Tomanic AW5104 water pump kit with thermostat gasket engineered to replace worn cooling components on 4.8L, 5.3L and 6.0L V8 GM-based engines.\u003c\/strong\u003e\n\n\u003cp\u003eThis Tomanic kit includes a heavy-duty water pump and matching thermostat gasket designed specifically for Chevy, GMC, Cadillac, Buick, Hummer and select Isuzu applications from the late 1990s to mid-2000s. It’s built to meet the demands of V8 cooling systems, offering a precise physical match to OE mounting points and reliable coolant circulation to maintain stable engine temperatures under everyday and towing loads.\u003c\/p\u003e\n\n\u003ch3\u003eWill this pump fit my Silverado or Tahoe V8?\u003c\/h3\u003e\n\u003cp\u003eThe AW5104 kit is produced for GM 4.8L, 5.3L and 6.0L V8 engines and covers many model years and trims. Verify fit by matching engine displacement and year range listed for your vehicle or cross-check your factory part number before ordering.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCompatible models include Chevy Silverado 1500\/2500\/3500, Tahoe, Suburban, Avalanche and Express\u003c\/li\u003e\n  \u003cli\u003eAlso fits GMC Sierra 1500\/2500\/3500, Yukon, Yukon XL and Savana\u003c\/li\u003e\n  \u003cli\u003eOther fits: Cadillac Escalade, Buick Rainier, Hummer H2, Isuzu Ascender, SAAB 9-7X and selected commercial models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does the Tomanic pump perform compared with the original equipment piece?\u003c\/h3\u003e\n\u003cp\u003eTomanic pumps are manufactured from quality materials and undergo controlled inspection to deliver consistent coolant flow and long service life. While not labeled OEM, this kit aims to match factory dimensions and operating characteristics for a dependable replacement at a competitive price.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eRobust housing and machined impeller for steady coolant circulation\u003c\/li\u003e\n  \u003cli\u003ePrecision bearing and seal assembly to reduce leakage risk\u003c\/li\u003e\n  \u003cli\u003eEngineered to maintain temperature control under load and highway driving\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat’s included in the kit and what parts should I check while replacing it?\u003c\/h3\u003e\n\u003cp\u003eThe kit centers on the water pump and thermostat gasket; it’s wise to inspect nearby components during installation to prevent repeat shop visits. Hardware like bolts, hoses and the thermostat itself may show corrosion or wear and can be replaced to ensure a complete, reliable repair.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncluded: Tomanic AW5104 water pump and matching thermostat gasket\u003c\/li\u003e\n  \u003cli\u003eRecommended to inspect: thermostat, radiator hoses, drive belt, pulleys and coolant condition\u003c\/li\u003e\n  \u003cli\u003eReplace coolant and torque fasteners to factory specifications upon installation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow difficult is installation for a DIY mechanic?\u003c\/h3\u003e\n\u003cp\u003eInstallation difficulty is moderate and typically requires removal of accessory components for access on many GM V8 vehicles. An experienced DIYer with basic hand tools and a repair manual can complete the job; professional installation is recommended if you lack the necessary tools or experience.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eTools commonly needed: socket set, torque wrench, coolant drain pan, gasket scraper\u003c\/li\u003e\n  \u003cli\u003ePlan for coolant flush and proper bleed procedures after fitting\u003c\/li\u003e\n  \u003cli\u003eAllow time for inspection of related parts and potential replacement\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eWho is this for: The Tomanic AW5104 kit is aimed at owners and independent shops working on GM 4.8L\/5.3L\/6.0L V8 platforms who need a direct-fit, value-minded replacement pump. It’s suitable for drivers restoring older trucks and SUVs, fleet maintenance techs, and home mechanics who prefer a durable aftermarket option that mirrors OE fitment and function without the OEM price tag.\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 Tomanic pump include the thermostat?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: The kit includes the water pump and thermostat gasket but not the thermostat itself; replace the thermostat if it shows wear.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: Can I use this pump with a towing package vehicle?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Yes, it fits specified V8 engines; ensure cooling system components and coolant are in good condition for towing use.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Tomanic","offers":[{"title":"Default Title","offer_id":48081578983582,"sku":"B0CG36SHC7","price":133.91,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0781\/2041\/9486\/files\/tomanic-aw5104-front-view.jpg?v=1785808314","url":"https:\/\/northtrailauto.ca\/products\/tomanic-aw5104-water-pump-kit-for-4-8l-5-3l-6-0l-v8-direct-fit-with-thermostat-gasket","provider":"North Trail Auto","version":"1.0","type":"link"}