CSF 3920 Radiator

Overview of CSF Radiator 3920 for Mazda, Scion, and Toyota

The CSF Radiator part number 3920 is designed specifically for select Mazda, Scion, and Toyota models, including the Mazda CX-3, Scion iA, Toyota Yaris, and Yaris iA. Engineered with a durable aluminum core and plastic tanks, this radiator ensures efficient engine cooling and reliable performance.

• Core thickness: 5/8 inch for effective heat dissipation
• Core dimensions: 23 inches width by 14 3/4 inches length
• Aluminum core material for lightweight durability
• Plastic tank construction matching OEM style
• Down flow radiator design with a single core row
• Inlet and outlet diameters both 1 5/16 inches, positioned left and right respectively
• Inlet and outlet lengths of 23 9/16 inches with 1 inch width
• Cap not included
• Box dimensions: 26 1/8 inches length, 21 3/4 inches width, 5 1/4 inches height
• Box weight approximately 7 lbs

Detailed Product Description

The CSF radiator 3920 features a 5/8 inch thick aluminum core that provides efficient heat transfer to maintain optimal engine temperatures. Its core measures 23 inches wide and 14 3/4 inches long, designed to fit the cooling requirements of the Mazda CX-3, Scion iA, Toyota Yaris, and Yaris iA models. The radiator uses a down flow design with a single core row, which supports consistent coolant flow and effective heat exchange.

The plastic tanks are manufactured to OEM specifications, ensuring compatibility and durability. Both the inlet and outlet have a diameter of 1 5/16 inches, positioned on the left and right sides respectively, with lengths of 23 9/16 inches and widths of 1 inch, facilitating proper hose connections. This radiator does not include a cap, so the existing cap should be reused or replaced separately if needed.

Common Applications and Issues Addressed

• Replacement for leaking or cracked radiators in Mazda CX-3, Scion iA, Toyota Yaris, and Yaris iA
• Solves overheating problems caused by inefficient or damaged cooling components
• Restores proper coolant flow with OEM-style plastic tanks and aluminum core
• Addresses radiator core corrosion or clogging issues
• Improves engine cooling system reliability and performance

Installation Notes and Tips

When installing the CSF radiator 3920, ensure all coolant hoses match the 1 5/16 inch inlet and outlet diameters for a secure fit. Verify the radiator orientation to maintain the down flow design for optimal coolant circulation. Since the radiator does not include a cap, inspect the existing radiator cap for wear and replace if necessary. Properly bleed the cooling system after installation to avoid air pockets and ensure efficient operation.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and plastic tanks for durability and performance. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Refer to the product packaging or manufacturer documentation for exact warranty terms.