CSF 3643 Radiator

Overview of CSF 3643 Radiator for Acura ILX

The CSF 3643 radiator is designed specifically for the Acura ILX, providing reliable engine cooling with a durable aluminum core and plastic tanks. This radiator features a single-row core construction optimized for efficient heat dissipation in a down flow configuration.

• Core thickness: 5/8 inch
• Core width: 26 11/16 inches
• Core length: 14 3/4 inches
• Aluminum core material with plastic tanks
• Inlet and outlet diameter: 1 1/4 inches, located on the left side
• Down flow radiator type with one core row
• Includes a high-efficiency concentric type oil cooler measuring 12 13/16 inches
• Does not include radiator cap (CSF cap number 4514 compatible)

CSF 1 Row Plastic Tank Aluminum Core Product Line

The 1 Row Plastic Tank Aluminum Core line from CSF combines OEM-style plastic tanks with a robust aluminum core to balance durability and weight. This product line is engineered to meet factory specifications for vehicles like the Acura ILX, ensuring proper fitment and cooling performance. The single-row core design supports efficient heat exchange while maintaining a compact profile suitable for tight engine bays.

Detailed Product Description

The CSF part number 3643 radiator features a 5/8 inch thick aluminum core that measures 26 11/16 inches wide and 14 3/4 inches long, providing a solid surface area for heat dissipation. The plastic tanks are designed to resist corrosion and reduce overall weight. Both the inlet and outlet are positioned on the left side with a diameter of 1 1/4 inches, facilitating straightforward hose connections. This radiator uses a down flow design, which directs coolant downward through the core for effective temperature regulation. Additionally, it includes a high-efficiency concentric oil cooler integrated into the unit, measuring 12 13/16 inches, which helps maintain optimal engine oil temperatures.

Common Applications and Issues Addressed

• Replacement for leaking or damaged radiators in Acura ILX models
• Resolves overheating caused by clogged or inefficient radiator cores
• Addresses coolant leaks from cracked plastic tanks
• Improves engine cooling performance in vehicles with OEM-style radiator setups
• Supports oil temperature regulation through integrated oil cooler

Installation Notes and Tips

When installing the CSF 3643 radiator, ensure compatibility with the Acura ILX model year and engine configuration. The radiator does not include a cap, so use a compatible CSF cap number 4514 or OEM equivalent. Verify hose connections match the 1 1/4 inch inlet and outlet diameters on the left side. Properly bleed the cooling system after installation to prevent air pockets and ensure optimal coolant flow.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM specifications, using corrosion-resistant aluminum cores and durable plastic tanks. This radiator is free of hazardous materials and designed for long-term reliability. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.