Dorman 902-5047 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-5047

The Dorman 902-5047 engine coolant thermostat housing is designed for reliable cooling system performance in select Geo and Toyota vehicles. This metal thermostat housing comes with a gasket included, ensuring a secure seal and proper fitment for models like the Geo Prizm, Toyota Corolla, and Toyota Celica.

• Durable metal construction in natural color
• Includes gasket for leak-free installation
• Outlet port diameter of 1.25 inches
• Two mounting holes with 0.313 inch diameter each
• 180-degree housing neck angle for precise coolant flow
• Compatible with Geo Prizm, Toyota Corolla, and Toyota Celica
• Part number 902-5047 for accurate replacement

Detailed Product Description

The Dorman 902-5047 thermostat housing is engineered from metal to withstand the high temperatures and pressures within the engine cooling system. Its natural finish provides corrosion resistance and durability. The housing features a 1.25-inch outlet port diameter and two mounting holes sized at 0.313 inches, designed to match OEM specifications for a secure fit. The 180-degree housing neck angle ensures proper coolant routing, maintaining optimal engine temperature. This thermostat housing includes a gasket to prevent leaks but does not include the thermostat or mounting bolts, which should be sourced separately.

Compatible Vehicles and Applications

This thermostat housing is compatible with the following vehicles:

• Geo Prizm
• Toyota Corolla
• Toyota Celica

Use part number 902-5047 to ensure compatibility with these models and avoid fitment issues.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks due to cracked or damaged housing
• Overheating caused by faulty thermostat housing seal
• Corrosion or wear compromising coolant flow
• Improper fitment from aftermarket or worn housings
• Replacement during engine cooling system maintenance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Use the included gasket to prevent coolant leaks
• Check mounting holes and outlet port for proper alignment
• Torque mounting bolts to manufacturer specifications (bolts not included)
• Inspect thermostat separately as it is not included with this housing

Quality Assurance and Warranty

Dorman manufactures this thermostat housing to meet or exceed OEM standards for fit, form, and function. The metal construction provides durability and resistance to heat and corrosion. While specific warranty details are not provided, Dorman products typically come with a limited warranty against defects in material and workmanship. Refer to Dorman's official warranty policy for complete information.