Dorman 902-5070 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-5070

The Dorman 902-5070 engine coolant thermostat housing is designed for reliable cooling system performance in select Lexus and Toyota vehicles. This metal thermostat housing comes with a gasket included, ensuring a secure seal and proper fitment for models like the Lexus GS300, IS300, SC300, and Toyota Supra.

• Durable metal construction for long-lasting use
• Natural color finish matching OEM appearance
• Includes gasket for a proper seal
• Outlet port diameter of 1.438 inches
• Two mounting holes with 0.313-inch diameter each
• Housing neck angle of 75 degrees for precise fitment
• Compatible with Lexus GS300, IS300, SC300 and Toyota Supra

Detailed Product Description

The Dorman 902-5070 thermostat housing is engineered to meet the cooling system requirements of specific Lexus and Toyota models. Constructed from metal, this thermostat housing offers durability and resistance to heat and corrosion. The natural color finish maintains the OEM look under the hood. It features an outlet port diameter of 1.438 inches and two mounting holes sized at 0.313 inches in diameter, ensuring secure attachment to the engine block. The housing neck angle is set at 75 degrees, which aligns with the original equipment specifications for proper coolant flow and hose connection. This thermostat housing includes a gasket to provide a tight seal and prevent coolant leaks. Note that the thermostat itself is not included with this part.

Compatible Vehicles and Common Applications

• Replacement for thermostat housing on Lexus GS300 models
• Compatible with Lexus IS300 cooling system repairs
• Fits Lexus SC300 engine coolant thermostat housing needs
• Suitable for Toyota Supra thermostat housing replacement
• Addresses coolant leaks and housing damage in these vehicles

Installation Notes and Tips

When installing the Dorman 902-5070 thermostat housing, ensure the gasket is properly seated to avoid coolant leaks. Use the two mounting holes with 0.313-inch diameter bolts (not included) to secure the housing firmly. Verify the 75-degree housing neck angle aligns with the vehicle’s coolant hose for a proper fit. Since the thermostat is not included, inspect the existing thermostat and replace it if necessary during installation. Proper torque specifications should be followed to prevent damage to the housing or engine block.

Quality Assurance and Warranty Information

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5070 thermostat housing undergoes quality checks to ensure durability and reliable performance in Lexus and Toyota vehicles. This part includes a gasket to ensure a proper seal and reduce the risk of leaks. Warranty coverage details can be obtained from the product documentation or Dorman directly, providing confidence in the part’s quality and longevity.