Motorad 5378-192 Engine Coolant Thermostat

Reliable Engine Coolant Thermostat for Ford E-350 and F-Series

The Motorad UltraStat 5378-192 engine coolant thermostat is designed to maintain optimal engine temperature for Ford E-350 Club Wagon, Econoline, Super Duty models, and F-250, F-350 trucks. Engineered for precise temperature control at 192°F, this thermostat supports efficient engine performance and longevity.

• Temperature rating: 192 degrees Fahrenheit for accurate thermal regulation
• Sealing flange outside diameter: 2.52 inches ensuring a secure fit
• Bypass diameter of 1.38 inches and bypass length of 1.78 inches for proper coolant flow
• Flange thickness of 0.05 inches for durability and sealing integrity
• Includes jiggle pin weep hole to prevent air lock and improve coolant circulation
• Compatible with multiple Ford models including E-350 Club Wagon, Econoline, Super Duty, Excursion, F-250 HD, and F-350 Super Duty

About the Motorad UltraStat Product Line

The UltraStat line by Motorad focuses on delivering thermostats engineered for precise temperature control and reliable operation under demanding conditions. This product line emphasizes consistent thermal performance and durability, making it suitable for heavy-duty Ford vehicles such as the E-350 and F-Series trucks. The 5378-192 thermostat exemplifies UltraStat’s commitment to quality and fitment accuracy.

Product Details and Specifications

The Motorad UltraStat 5378-192 thermostat operates at a calibrated temperature of 192°F, ensuring your engine reaches and maintains optimal operating temperature efficiently. The sealing flange outside diameter of 2.52 inches provides a tight seal to prevent coolant leaks. Its bypass diameter of 1.38 inches and bypass length of 1.78 inches allow for proper coolant circulation during warm-up phases, reducing engine wear. The flange thickness of 0.05 inches contributes to the thermostat’s structural integrity. Additionally, the jiggle pin weep hole helps eliminate trapped air, preventing overheating and improving coolant flow.

Compatible Vehicles and Common Applications

• Ford E-350 Club Wagon and Econoline models
• Ford E-350 Super Duty and Econoline Club Wagon
• Ford Excursion full-size SUV
• Ford F-250, F-250 HD, and F-250 Super Duty trucks
• Ford F-350 and F-350 Super Duty trucks

Installation Notes and Tips

This thermostat does not include a gasket or seal, so ensure you have the appropriate sealing components before installation. Verify the sealing flange diameter and bypass dimensions match your vehicle’s specifications. The jiggle pin weep hole should be oriented correctly to allow air to escape during installation. No special installation tools are included, so standard thermostat installation tools are recommended for proper fitment and sealing.

Quality Assurance and Warranty

Motorad UltraStat thermostats are manufactured to meet OEM specifications for fit and function. While specific warranty details are not provided, Motorad products typically undergo rigorous quality control to ensure durability and reliable performance in demanding automotive environments.