Motorad 5294-170 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Subaru Vehicles

The Motorad UltraStat 5294-170 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. Engineered for precise temperature control, this thermostat helps ensure efficient engine performance and longevity.

• Temperature rating of 170 degrees Fahrenheit for accurate thermal regulation
• Sealing flange outside diameter of 2.2 inches for secure fitment
• Flange thickness of 0.05 inches to maintain proper sealing and durability
• Includes a jiggle pin weep hole to prevent air lock and improve coolant flow
• Compatible with multiple Subaru models for direct replacement

About the Motorad UltraStat Product Line

The UltraStat line by Motorad focuses on precision-engineered thermostats designed to meet or exceed OEM specifications. This product line emphasizes reliable temperature control and durability, making it suitable for demanding automotive applications. The 5294-170 thermostat is part of this line, offering consistent performance for Subaru engines requiring a 170-degree Fahrenheit thermostat.

Product Details and Specifications

The Motorad UltraStat 5294-170 thermostat features a 2.2-inch sealing flange outside diameter and a flange thickness of 0.05 inches, ensuring a tight and secure fit within the engine cooling system. The inclusion of a jiggle pin weep hole allows trapped air to escape, reducing the risk of overheating and improving coolant circulation. This thermostat does not include a gasket or seal, so it is recommended to use a compatible gasket during installation. Designed specifically for Subaru models such as the Forester, WRX, and Legacy, this part number 5294-170 provides a reliable replacement option for maintaining proper engine temperature.

Common Applications and Issues Addressed

• Regulates engine temperature to prevent overheating
• Prevents coolant flow interruptions caused by air pockets
• Maintains efficient engine warm-up times
• Helps avoid engine damage due to improper thermostat function
• Supports consistent heater performance in cold conditions

Installation Notes and Tips

When installing the Motorad UltraStat 5294-170 thermostat, ensure the engine is cool before beginning work. Use a compatible gasket or seal as this product does not include one. Verify the jiggle pin is positioned correctly to allow air to escape during coolant system bleeding. Although no installation tool is included, standard thermostat installation tools for Subaru models can be used. Proper torque on the sealing flange is essential to prevent leaks.

Quality Assurance and Warranty

Motorad UltraStat thermostats are manufactured to meet strict quality standards for durability and performance. While specific warranty details are not provided, Motorad products typically adhere to industry standards for replacement parts. Using the correct part number 5294-170 ensures compatibility and reliability for Subaru engine cooling systems.