Motorad 383-205 Engine Coolant Thermostat

Reliable Cooling Control for Ford E-350 and F-Series Vehicles

The Motorad Heavy Duty Thermostat 383-205 is engineered to maintain optimal engine temperature for Ford E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350 models. Designed for durability and precise temperature regulation, this engine coolant thermostat ensures efficient cooling system performance under demanding conditions.

• Sealing flange outside diameter: 2.5 inches for secure fitment
• Includes a rubber gasket/seal for reliable sealing
• Equipped with a jiggle pin weep hole to prevent air locks
• Bypass diameter of 1.30 inches and bypass length of 1.13 inches for proper coolant flow
• Flange thickness of 0.05 inches for consistent installation
• Operates at a temperature of 205°F to maintain engine efficiency
• Compatible with Ford E-350 Econoline, E-350 Econoline Club Wagon, F-250, and F-350

About the Motorad Heavy Duty Thermostat Line

The Heavy Duty Thermostat line by Motorad is designed to meet the rigorous demands of commercial and heavy-duty vehicles. This product line focuses on durability and precise temperature control, making it suitable for Ford trucks and vans that require reliable engine cooling components. The 383-205 thermostat exemplifies this line’s commitment to quality and performance in engine coolant management.

Product Details and Specifications

The Motorad 383-205 thermostat features a 2.5-inch sealing flange outside diameter that ensures a tight and secure fit within the cooling system housing. It includes a rubber gasket to provide a dependable seal, preventing coolant leaks. The jiggle pin weep hole is incorporated to allow trapped air to escape, reducing the risk of overheating due to air pockets. With a bypass diameter of 1.30 inches and a bypass length of 1.13 inches, this thermostat facilitates proper coolant circulation during engine warm-up phases. The flange thickness of 0.05 inches supports consistent installation and durability. Designed to open at 205 degrees Fahrenheit, it helps maintain the engine within the optimal temperature range for efficient operation.

Common Applications and Problem Solving

• Prevents engine overheating by regulating coolant flow
• Reduces risk of coolant leaks with included rubber gasket
• Eliminates air locks in the cooling system via jiggle pin weep hole
• Ensures proper bypass flow during engine warm-up
• Maintains consistent engine temperature for Ford E-350 and F-Series trucks

Installation Notes and Tips

Installation of the Motorad 383-205 thermostat requires removal of the existing thermostat and housing. Ensure the sealing surfaces are clean and free of debris before installing the new thermostat and rubber gasket. The jiggle pin should be oriented correctly to allow air to escape. No special installation tool is included, so standard hand tools are sufficient. Verify the thermostat opens at the specified 205°F temperature during operation to confirm proper function.

Quality Assurance and Warranty

Motorad Heavy Duty Thermostats are manufactured to meet industry standards for durability and performance. The 383-205 thermostat is constructed with quality materials including a rubber gasket for reliable sealing. While specific warranty details are not provided, Motorad products typically adhere to strict quality control processes to ensure consistent performance in heavy-duty applications.