{"product_id":"motorad-ch2103-engine-coolant-thermostat-housing-upper","title":"Motorad CH2103 Engine Coolant Thermostat Housing - Upper","description":"\u003ch2\u003eEngine Coolant Thermostat Housing Overview\u003c\/h2\u003e\u003cp\u003eThe Motorad CH2103 engine coolant thermostat housing is built for cooling-system service where a sealed, OE-style replacement is needed. It is engineered with OEM-level standards in mind and validated for thermal shock and leak resistance.\u003c\/p\u003e\u003cp\u003eCompatible With Chevrolet LUV, Chevrolet S10, GMC Sonoma, and Isuzu Hombre applications listed below, this thermostat housing uses a steel construction with a silver finish and includes a gasket or seal. The CH2103 is a direct-fit cooling component for vehicles that need a reliable coolant outlet housing replacement.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSteel construction for cooling-system durability.\u003c\/li\u003e\n\u003cli\u003eThermal shock validated for demanding temperature changes.\u003c\/li\u003e\n\u003cli\u003e100% leak tested for sealing confidence.\u003c\/li\u003e\n\u003cli\u003eIncludes gasket or seal for the housing assembly.\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes for OE-style installation.\u003c\/li\u003e\n\u003cli\u003e1.31 in outlet diameter.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description\u003c\/h2\u003e\u003cp\u003eMotorad CH2103 is an engine coolant thermostat housing designed to meet or exceed OEM standards as an OE supplier product. It is intended for cooling-system repairs where the original housing has cracked, warped, or begun leaking at the outlet. The steel body and proprietary material selection are used to withstand repeated heat cycling, while the leak-tested construction supports dependable coolant control. This part cross-references Dorman - OE Solutions 902-2048 and Gates CO34772 for the same application.\u003c\/p\u003e\u003cp\u003eFor Chevrolet S10, Chevrolet LUV, GMC Sonoma, and Isuzu Hombre fitments, the CH2103 provides a service-ready replacement for the upper coolant outlet housing. The Motorad CH2103 and CH2103 part number are useful references when matching the correct thermostat housing for these cooling-system applications.\u003c\/p\u003e\u003ch2\u003eWhat It Is Used For\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacing a cracked or corroded coolant outlet housing.\u003c\/li\u003e\n\u003cli\u003eRestoring a leaking thermostat housing seal.\u003c\/li\u003e\n\u003cli\u003eAddressing coolant loss at the upper housing connection.\u003c\/li\u003e\n\u003cli\u003eCorrecting fitment issues from a damaged original housing.\u003c\/li\u003e\n\u003cli\u003eSupporting stable coolant flow through the cooling system.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eVerify the outlet diameter, mounting hole count, and fitment notes before installation. The housing includes a gasket or seal, and the listing does not state that bolts are included. Clean the mating surfaces thoroughly and inspect the coolant passages for residue or corrosion before assembly.\u003c\/p\u003e\u003ch2\u003eQuality Assurance\u003c\/h2\u003e\u003cp\u003eManufactured by an OE supplier to OEM quality standards, this housing is thermal shock validated, 100% leak tested, and built to meet or exceed OEM requirements.\u003c\/p\u003e","brand":"Motorad","offers":[{"title":"Default Title","offer_id":53260857934005,"sku":"BFNG-CH2103","price":22.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/TZ_CH2103_Fro.jpg?v=1789278465","url":"https:\/\/www.partcatalog.com\/products\/motorad-ch2103-engine-coolant-thermostat-housing-upper","provider":"PartCatalog","version":"1.0","type":"link"}