{"product_id":"marsram-engine-water-pump-with-integrated-thermostat-for-chevy-gmc-cadillac-hummer-direct-replacement-oem-fit-12-month-warrant","title":"Marsram Engine Water Pump with Integrated Thermostat for Chevy GMC Cadillac Hummer — Direct Replacement, OEM Fit, 12-Month Warrant","description":"\u003cstrong\u003eMarsram Engine Water Pump with integrated thermostat is a direct-replacement cooling pump engineered to fit specified Chevy, GMC, Cadillac, Hummer, Isuzu, Saab and Workhorse applications for reliable coolant circulation and temperature control.\u003c\/strong\u003e\n\nThis Marsram assembly combines an engine-driven pump and thermostat into one unit, replacing several OEM part numbers to restore proper coolant flow and engine temperature regulation. It’s manufactured and tested to match or exceed factory fit and sealing standards, and it ships backed by a 12-month unlimited-mileage warranty. The listing below explains fitment, installation considerations, performance characteristics, and which drivers will benefit most from choosing this replacement pump.\n\n\u003ch3\u003eWhich vehicles will this Marsram pump fit?\u003c\/h3\u003e\n\u003cp\u003eThis pump is designed for many GM-based trucks and SUVs from the model years listed, plus select Hummer, Isuzu, Saab and Workhorse platforms. Always confirm fitment by checking the replacement part numbers or using the vehicle lookup tool prior to purchase.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eChevrolet: Silverado 1500\/2500\/3500, Avalanche, Suburban, Tahoe, Express, TrailBlazer, SSR, W-series (1999–2006 ranges as specified)\u003c\/li\u003e\n  \u003cli\u003eGMC: Sierra 1500\/2500\/3500, Yukon, Yukon XL, Savana, Envoy families (specific model years included)\u003c\/li\u003e\n  \u003cli\u003eOther: Hummer H2, Isuzu Ascender\/NPR series, Saab 9-7X, and multiple Workhorse chassis models\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow does this pump match OEM parts and numbers?\u003c\/h3\u003e\n\u003cp\u003eMarsram supplies this pump as a direct-replacement unit that cross-references many original equipment and aftermarket part numbers. The design and sealing surfaces mirror the factory piece to simplify installation and reduce leak risk.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eCross-references include numbers such as 19195104, AW5104, 12703898 and several aftermarket codes.\u003c\/li\u003e\n  \u003cli\u003eIntegrated thermostat and housing match factory orientation and coolant passages.\u003c\/li\u003e\n  \u003cli\u003eSealing surfaces and gasket locations are manufactured to OEM tolerances.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat should I expect when installing and using this water pump?\u003c\/h3\u003e\n\u003cp\u003eThe pump installs in place of the factory assembly using existing mounting points and coolant hoses. Routine installation steps include draining coolant, removing the old unit, replacing gaskets, and refilling with the correct coolant mixture. Torque specs and belt routing follow factory service procedures.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eIncludes new thermostat preinstalled for a one-piece swap.\u003c\/li\u003e\n  \u003cli\u003eComes with sealing surfaces prepared to accept new gaskets (gasket included where applicable).\u003c\/li\u003e\n  \u003cli\u003eFollow vehicle-specific torque and bleeding procedures after installation to avoid air pockets.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat kind of testing and warranty support does Marsram provide?\u003c\/h3\u003e\n\u003cp\u003eMarsram subjects this water pump to performance and sealing tests to ensure it meets durability and fit standards expected for replacement cooling components. Every unit is supported by a 12-month unlimited-mileage warranty and customer assistance for installation or technical inquiries.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eFactory inspection and pressure testing for leak resistance.\u003c\/li\u003e\n  \u003cli\u003eWarranty covers manufacturing defects for 12 months with customer support access.\u003c\/li\u003e\n  \u003cli\u003eReplacement guidance available to confirm correct part for your vehicle before installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\nWho is this for\n\nThis Marsram water pump with thermostat is ideal for owners of compatible GM-derived trucks, vans, SUVs and select other models who need a dependable, cost-effective replacement that mirrors factory fit and function. It’s a suitable choice for DIY mechanics replacing a failing pump, professional technicians performing engine cooling system repairs, and fleets seeking a warranted aftermarket alternative to OEM assemblies.\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 Marsram assembly comes with the thermostat preinstalled for a single-piece replacement.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"faq-item\"\u003e\n\u003cp class=\"faq-q\"\u003eQ: What warranty covers this water pump?\u003c\/p\u003e\n\u003cp class=\"faq-a\"\u003eA: Marsram backs the pump with a 12-month unlimited-mileage warranty against manufacturing defects.\u003c\/p\u003e\n\u003c\/div\u003e\u003c\/section\u003e","brand":"Marsram","offers":[{"title":"Default Title","offer_id":67585600684217,"sku":"B0GCHLGDMG","price":227.78,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/3765\/3177\/files\/marsram-front-assembly.jpg?v=1790473818","url":"https:\/\/redleafauto.ca\/products\/marsram-engine-water-pump-with-integrated-thermostat-for-chevy-gmc-cadillac-hummer-direct-replacement-oem-fit-12-month-warrant","provider":"Redleaf Auto","version":"1.0","type":"link"}