{"product_id":"dorman-902-5019-engine-coolant-thermostat-housing-upper","title":"Dorman 902-5019 Engine Coolant Thermostat Housing - Upper","description":"\u003ch2\u003eReliable Engine Coolant Thermostat Housing for Mazda Vehicles\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5019 engine coolant thermostat housing is designed to provide a durable and precise fit for select Mazda models. Engineered from metal with a natural finish, this thermostat housing ensures consistent performance and long-lasting service in your Mazda 323, MX-3, or Protege.\u003c\/p\u003e\u003ch2\u003eKey Features of Dorman 902-5019 Thermostat Housing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConstructed from sturdy metal material for durability\u003c\/li\u003e\n\u003cli\u003eNatural color finish for corrosion resistance\u003c\/li\u003e\n\u003cli\u003eIncludes a gasket for a secure, leak-free seal\u003c\/li\u003e\n\u003cli\u003eOutlet port diameter measures 1.188 inches for proper coolant flow\u003c\/li\u003e\n\u003cli\u003eTwo mounting holes with 0.313-inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003eHousing neck angle set at 15 degrees to match OEM specifications\u003c\/li\u003e\n\u003cli\u003ePackage contains thermostat housing with gasket; thermostat not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Description and Specifications\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5019 thermostat housing is specifically designed to replace the original part on Mazda 323, MX-3, and Protege models. Its metal construction offers enhanced strength and resistance to heat and pressure within the cooling system. The natural finish helps prevent corrosion over time, maintaining the integrity of the housing. The included gasket ensures a tight seal between the housing and engine block, reducing the risk of coolant leaks. With two mounting holes sized at 0.313 inches in diameter, installation aligns precisely with factory mounting points. The outlet port diameter of 1.188 inches supports proper coolant circulation, while the 15-degree housing neck angle matches the original equipment design for optimal hose connection. This part does not include a thermostat or bolts, so those components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCommon Applications and Problem Resolution\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eReplacement for cracked or damaged thermostat housing on Mazda 323, MX-3, and Protege\u003c\/li\u003e\n\u003cli\u003eAddresses coolant leaks caused by worn or failed housing gaskets\u003c\/li\u003e\n\u003cli\u003eRestores proper coolant flow to prevent engine overheating\u003c\/li\u003e\n\u003cli\u003eEliminates coolant contamination from housing corrosion or deterioration\u003c\/li\u003e\n\u003cli\u003eEnsures secure mounting to prevent vibration-related failures\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cp\u003eWhen installing the Dorman 902-5019 thermostat housing, ensure the mating surfaces are clean and free of old gasket material to achieve a proper seal. Use the included gasket and torque mounting bolts to manufacturer specifications. Since bolts are not included, reuse original hardware or obtain appropriate replacements. Verify the housing neck angle and outlet port diameter match your vehicle’s cooling system hoses for a correct fit. This part is compatible with Mazda 323, MX-3, and Protege models, so confirm your vehicle’s year and engine configuration before installation.\u003c\/p\u003e\u003ch2\u003eQuality Assurance and Warranty Information\u003c\/h2\u003e\u003cp\u003eDorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and included gasket contribute to reliable cooling system performance. While specific warranty details are not provided here, Dorman typically offers limited warranties on their replacement parts. Consult product documentation or the supplier for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":51934299816117,"sku":"BKKY-902-5019","price":36.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025019_Fro.jpg?v=1775011640","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5019-engine-coolant-thermostat-housing-upper","provider":"PartCatalog","version":"1.0","type":"link"}