Dorman 902-5928 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing

The Dorman 902-5928 engine coolant thermostat housing is designed for reliable cooling system performance in select Toyota and Scion vehicles. Crafted from durable metal with a natural finish, this thermostat housing ensures proper coolant flow and engine temperature regulation for your Toyota RAV4 or Scion tC.

• Constructed from sturdy metal material for durability
• Natural color finish for corrosion resistance
• Outlet port diameter of 1.438 inches for precise coolant flow
• Two mounting holes with 0.313-inch diameter for secure installation
• Housing neck angle of 88 degrees to match OEM specifications
• Does not include thermostat, gasket, bolts, or O-rings
• Compatible with Toyota RAV4 and Scion tC models

Detailed Product Description

The Dorman 902-5928 thermostat housing is engineered to meet the exact fit and function requirements of your Toyota RAV4 and Scion tC cooling systems. Made from metal, this housing provides a robust and heat-resistant solution to house the engine coolant thermostat. The natural finish helps resist corrosion, extending the life of the component. With an outlet port diameter of 1.438 inches and a housing neck angle of 88 degrees, it aligns precisely with the vehicle’s cooling system design. The housing includes two mounting holes, each with a diameter of 0.313 inches, ensuring a secure and stable attachment to the engine block. Note that this part does not come with a thermostat, gasket, bolts, or O-rings, so these components must be sourced separately if needed.

Common Applications and Issues Addressed

• Replacement of cracked or leaking thermostat housing
• Resolving coolant leaks around the thermostat area
• Fixing overheating issues caused by faulty housing
• Restoring proper coolant flow in Toyota RAV4 and Scion tC models
• Maintaining engine temperature regulation for optimal performance

Installation Notes and Tips

• Ensure the engine is cool before beginning installation
• Inspect and replace the thermostat, gasket, and bolts as needed since they are not included
• Clean the mounting surface thoroughly to prevent leaks
• Torque mounting bolts to manufacturer specifications to avoid damage
• Check for leaks after installation and during initial engine operation

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5928 thermostat housing undergoes rigorous quality control to ensure durability and reliable performance in your Toyota RAV4 or Scion tC. While specific warranty details may vary, Dorman typically offers a limited warranty covering defects in material and workmanship. Refer to Dorman’s official warranty policy for complete information.