Motorad 294-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Subaru Vehicles

The Motorad Standard 294-170 engine coolant thermostat is designed to maintain optimal engine temperature for Subaru models including the B9 Tribeca, Baja, Forester, Impreza, Legacy, Outback, Tribeca, WRX, and WRX STI. This thermostat ensures efficient engine performance by regulating coolant flow at a precise temperature.

• Start to open temperature: 170°F for accurate temperature control
• Sealing flange outside diameter: 2.2 inches for proper fitment
• Height between flanges: 1.32 inches ensuring correct installation spacing
• Includes jiggle pin weep hole to prevent air lock and improve coolant circulation
• Flange thickness: 0.05 inches for durability and sealing integrity
• Standard type thermostat compatible with specified Subaru models
• Gasket or seal not included, installation tool not included

About the Motorad Standard Product Line

The Motorad Standard line offers dependable engine cooling components designed to meet OEM specifications. The 294-170 thermostat is part of this line, providing consistent temperature regulation and reliable operation for Subaru engines. This product line focuses on delivering quality parts that maintain engine efficiency and longevity without additional accessories like gaskets or installation tools.

Product Details and Specifications

The Motorad Standard 294-170 thermostat features a start to open temperature of 170 degrees Fahrenheit, which is critical for maintaining the engine’s optimal operating temperature. The thermostat’s sealing flange outside diameter measures 2.2 inches, ensuring a secure fit within the cooling system. With a height of 1.89 inches and a flange thickness of 0.05 inches, this thermostat is engineered for precise installation and reliable sealing. The inclusion of a jiggle pin weep hole helps to prevent air pockets in the cooling system, promoting efficient coolant flow and reducing the risk of overheating.

Common Applications and Issues Addressed

• Regulates engine temperature to prevent overheating in Subaru Forester and Outback models
• Maintains proper coolant flow in Subaru WRX and WRX STI engines
• Prevents engine damage caused by thermostat failure in Subaru Legacy and Impreza vehicles
• Helps avoid poor heater performance in Subaru Baja and Tribeca models
• Supports consistent engine warm-up times for improved fuel efficiency

Installation Notes and Tips

When installing the Motorad Standard 294-170 thermostat, ensure the sealing flange is clean and free of debris for a proper seal. Note that this thermostat does not include a gasket or installation tool, so use the existing gasket or source a compatible replacement. Verify the jiggle pin weep hole is oriented correctly to allow air to escape during coolant circulation. Follow vehicle-specific service manual instructions for torque specifications and installation procedures to avoid leaks or improper fitment.

Quality Assurance and Warranty

Motorad Standard thermostats are manufactured to meet or exceed OEM standards for durability and performance. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure reliable operation in Subaru vehicles. Using the correct part number 294-170 guarantees compatibility and helps maintain the integrity of your vehicle’s cooling system.