{"product_id":"dorman-902-5900-engine-coolant-thermostat-housing","title":"Dorman 902-5900 Engine Coolant Thermostat Housing","description":"\u003ch2\u003eOverview of Dorman Engine Coolant Thermostat Housing 902-5900\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5900 engine coolant thermostat housing is designed for reliable cooling system performance in select INFINITI and Nissan vehicles. This black plastic housing provides a precise fit for models such as the Armada, FX45, M45, NV2500, NV3500, Pathfinder, Q45, QX56, and TITAN.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eDurable black plastic construction\u003c\/li\u003e\n\u003cli\u003eOutlet port diameter of 1.5 inches for proper coolant flow\u003c\/li\u003e\n\u003cli\u003eThree mounting holes with 0.313 inch diameter for secure installation\u003c\/li\u003e\n\u003cli\u003e30-degree housing neck angle to match OEM specifications\u003c\/li\u003e\n\u003cli\u003eIncludes thermostat housing only; thermostat and gasket not included\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eDetailed Product Description\u003c\/h2\u003e\u003cp\u003eThe Dorman 902-5900 thermostat housing is engineered to meet the exact specifications required by various INFINITI and Nissan models. Constructed from high-quality plastic, it offers resistance to corrosion and heat, ensuring long-term durability within the engine cooling system. The housing features a 1.5-inch outlet port diameter, facilitating efficient coolant circulation. Its three mounting holes, each measuring 0.313 inches in diameter, allow for a secure and stable fit. The 30-degree housing neck angle aligns with factory design to maintain proper hose connection and coolant flow. This part does not include a thermostat, gasket, bolts, or air vent, so those components must be sourced separately if needed.\u003c\/p\u003e\u003ch2\u003eCompatible Vehicles and Applications\u003c\/h2\u003e\u003cp\u003eThis engine coolant thermostat housing is compatible with the following vehicles:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eINFINITI Armada, FX45, M45, Q45, QX56\u003c\/li\u003e\n\u003cli\u003eNissan NV2500, NV3500, Pathfinder, Pathfinder Armada, TITAN\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eIt is intended for use in cooling system repairs where the thermostat housing is damaged, cracked, or leaking, helping to restore proper engine temperature regulation.\u003c\/p\u003e\u003ch2\u003eCommon Issues Addressed by This Thermostat Housing\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eCoolant leaks caused by cracked or warped thermostat housing\u003c\/li\u003e\n\u003cli\u003eOverheating due to improper coolant flow\u003c\/li\u003e\n\u003cli\u003eLoose or damaged mounting points affecting housing stability\u003c\/li\u003e\n\u003cli\u003eCorrosion-related failures in older plastic housings\u003c\/li\u003e\n\u003cli\u003eReplacement during cooling system maintenance or upgrades\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eInstallation Notes and Tips\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnsure the engine is cool before beginning installation to avoid burns\u003c\/li\u003e\n\u003cli\u003eInspect and replace the thermostat and gasket separately, as they are not included\u003c\/li\u003e\n\u003cli\u003eUse appropriate torque specifications for the three mounting bolts to prevent damage\u003c\/li\u003e\n\u003cli\u003eCheck hose connections for proper fit and secure clamps\u003c\/li\u003e\n\u003cli\u003eFlush the cooling system if contamination or debris is present before installation\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eQuality Assurance and Warranty\u003c\/h2\u003e\u003cp\u003eDorman parts are manufactured to meet or exceed OEM standards for fit and function. The 902-5900 thermostat housing undergoes rigorous quality control to ensure durability and performance. While specific warranty details may vary, Dorman typically offers limited warranties covering defects in material and workmanship. Consult product documentation or the manufacturer for exact warranty terms.\u003c\/p\u003e","brand":"Dorman","offers":[{"title":"Default Title","offer_id":44327231881397,"sku":"BKKY-902-5900","price":21.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0628\/1442\/1173\/files\/RB_9025900_Ang_c380e2ec-7124-4b23-af9d-51cb8163f10a.jpg?v=1775011682","url":"https:\/\/www.partcatalog.com\/products\/dorman-902-5900-engine-coolant-thermostat-housing","provider":"PartCatalog","version":"1.0","type":"link"}