Dorman 902-5026 Engine Coolant Thermostat Housing

Reliable Engine Coolant Thermostat Housing for Nissan NX and Sentra

The Dorman 902-5026 engine coolant thermostat housing is designed to provide a durable and precise fit for Nissan NX and Sentra models. Crafted from metal with a natural finish, this thermostat housing ensures proper coolant flow and engine temperature regulation.

Key Features of Dorman 902-5026 Thermostat Housing

• Constructed from sturdy metal for long-lasting durability
• Natural color finish for corrosion resistance
• 1-inch outlet port diameter for optimal coolant flow
• Includes an air vent (bleeder valve) to prevent air pockets
• Three mounting holes with 0.313-inch diameter for secure installation
• 180-degree housing neck angle to match OEM specifications
• Does not include thermostat, gasket, O-rings, or bolts

Detailed Description of the Thermostat Housing

This Dorman engine coolant thermostat housing (part number 902-5026) is engineered to meet the exact specifications required for Nissan NX and Sentra vehicles. The metal construction offers enhanced strength and heat resistance compared to plastic alternatives. The natural finish helps resist corrosion, extending the service life of the component. The 1-inch outlet port diameter and 180-degree neck angle ensure compatibility with the vehicle’s cooling system layout. Additionally, the built-in air vent (bleeder valve) facilitates the removal of trapped air, improving coolant circulation and engine performance. Note that this housing does not include the thermostat, gasket, O-rings, or mounting bolts, allowing for flexible installation with existing or aftermarket parts.

Common Applications and Issues Addressed

• Replacement of cracked or leaking thermostat housing on Nissan NX and Sentra
• Resolving coolant leaks caused by worn or damaged housing
• Preventing engine overheating due to improper coolant flow
• Eliminating air pockets in the cooling system with the integrated bleeder valve
• Maintaining proper engine temperature regulation for optimal performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Inspect and replace the thermostat, gasket, and O-rings as needed since they are not included
• Use appropriate torque specifications for the three mounting bolts to prevent leaks
• Bleed the cooling system properly to remove air after installation
• Verify compatibility with Nissan NX and Sentra models before installation

Quality Assurance and Warranty Information

Dorman manufactures the 902-5026 thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction and precise engineering contribute to reliable performance in Nissan NX and Sentra vehicles. While no specific warranty details are provided, Dorman products typically come with a limited warranty against defects in materials and workmanship. Always consult product documentation or contact the manufacturer for exact warranty terms.