CSF 3947 Radiator

Overview of CSF Radiator 3947 for Ford Super Duty Trucks

The CSF Radiator part number 3947 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty models. Engineered with a cross flow design, this radiator offers reliable cooling performance to maintain optimal engine temperatures under demanding conditions.

• Core thickness: 1 1/4 inches for efficient heat dissipation
• Core dimensions: 30 3/8 inches length by 27 11/16 inches width
• Aluminum core material combined with plastic tanks for durability and weight savings
• Inlet and outlet diameters both measure 1 7/8 inches, positioned left and right respectively
• Single-row core with a 12-inch high-efficiency round type oil cooler integrated
• Cross flow design enhances coolant flow and heat exchange
• Box dimensions: 50 1/8 inches length, 32 3/16 inches width, and 10 inches height
• Lightweight at 20 lbs, facilitating easier handling during installation

Detailed Product Description

The CSF 3947 radiator features an OEM-style plastic tank paired with a robust aluminum core, ensuring a balance between strength and weight. The cross flow configuration allows coolant to move horizontally across the core, improving heat transfer efficiency. Both the inlet and outlet have a diameter of 1 7/8 inches, positioned on the left and right sides respectively, matching factory specifications for Ford F-250 Super Duty and F-350 Super Duty trucks. The integrated 12-inch high-efficiency round oil cooler supports engine oil temperature regulation, which is critical for heavy-duty applications.

Applications and Problem Solving

• Replaces worn or leaking radiators in Ford F-250 Super Duty and F-350 Super Duty trucks
• Addresses overheating issues caused by inefficient or damaged cooling systems
• Restores proper coolant flow with cross flow design to prevent engine damage
• Supports oil cooling needs to maintain engine performance under heavy load
• Helps reduce engine temperature fluctuations during towing or extended operation

Installation Notes and Tips

Ensure compatibility with your Ford F-250 Super Duty or F-350 Super Duty before installation. The radiator features quick-connect inlet fittings for streamlined hose attachment. Handle the radiator carefully to avoid damage to the plastic tanks and aluminum core. Verify that the inlet and outlet hose diameters (1 7/8 inches) match your vehicle’s specifications. Although the radiator cap is not supplied, use the existing OEM cap to maintain system pressure.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and plastic tanks designed for durability and corrosion resistance. This radiator is free of hazardous materials and built to withstand the rigors of heavy-duty truck operation. While specific warranty details are not provided, CSF products typically adhere to industry quality controls to ensure reliable performance in Ford F-250 Super Duty and F-350 Super Duty vehicles.