Dorman 902-5112 Engine Coolant Thermostat Housing

Overview of Dorman Engine Coolant Thermostat Housing 902-5112

The Dorman 902-5112 engine coolant thermostat housing is designed for reliable cooling system performance in select Subaru models. This black plastic thermostat housing includes a gasket and is engineered to meet the specific requirements of Subaru Baja, Forester, Impreza, Legacy, and Outback vehicles.

• Durable black plastic construction for corrosion resistance
• Includes gasket for a secure, leak-free seal
• Outlet port diameter of 1.438 inches for precise fitment
• Two mounting holes with 0.313-inch diameter for secure installation
• 180-degree housing neck angle to match OEM specifications
• Compatible with Subaru Baja, Forester, Impreza, Legacy, and Outback models
• Thermostat not included; housing only

Detailed Product Description

The Dorman 902-5112 thermostat housing is constructed from high-quality plastic, providing resistance to corrosion and heat commonly found in engine cooling systems. Its black finish complements the engine bay while maintaining durability. The housing features a 1.438-inch outlet port diameter and two mounting holes sized at 0.313 inches, ensuring a precise and secure fit on compatible Subaru vehicles. The 180-degree housing neck angle aligns with factory specifications, facilitating proper coolant flow and thermostat placement. This part comes with a gasket included to help prevent leaks during installation. Note that the thermostat itself is not included with this housing.

Compatible Subaru Models and Applications

This thermostat housing is compatible with the following Subaru models:

• Subaru Baja
• Subaru Forester
• Subaru Impreza
• Subaru Legacy
• Subaru Outback

Use the Dorman 902-5112 thermostat housing when replacing a damaged or leaking housing in these vehicles to maintain proper engine temperature regulation.

Common Issues Addressed by This Thermostat Housing

• Coolant leaks caused by cracked or warped thermostat housing
• Overheating due to improper coolant flow
• Corrosion damage to original housing components
• Loose or damaged mounting points affecting seal integrity
• Replacement of worn or deteriorated gaskets

Installation Notes and Tips

• Ensure the engine is cool before beginning installation to avoid burns
• Remove old thermostat housing carefully to prevent damage to surrounding components
• Clean mounting surfaces thoroughly before installing the new gasket and housing
• Torque mounting bolts to manufacturer specifications; bolts are not included
• Verify outlet port and neck angle alignment during installation for proper fit

Quality Assurance and Warranty

Dorman parts are manufactured to meet or exceed OEM standards for fit, form, and function. The 902-5112 thermostat housing undergoes quality inspections to ensure durability and performance. This part includes a gasket for installation but does not include bolts or a thermostat. Warranty coverage details can be obtained from the product documentation or Dorman directly.