CSF 3644 Radiator

Overview of CSF 3644 Radiator for Acura and Honda Vehicles

The CSF 3644 radiator is designed specifically for select Acura and Honda models, including the MDX, Passport, Pilot, and Ridgeline. Featuring a durable aluminum core paired with OE-style plastic tanks, this radiator offers reliable cooling performance tailored to your vehicle's needs.

• Core thickness: 1 1/4 inches
• Core width: 30 1/16 inches
• Core length: 19 11/16 inches
• Aluminum core material with plastic tanks
• Down flow design with 1 row core
• Inlet and outlet diameter: 1 1/4 inches, positioned on the left
• Compatible with Acura MDX, Honda Passport, Pilot, and Ridgeline
• Part number: 3644

Details on the 1 Row Plastic Tank Aluminum Core Product Line

The CSF 1 Row Plastic Tank Aluminum Core line combines lightweight aluminum cores with OE-style plastic tanks to provide efficient heat dissipation and corrosion resistance. This design supports effective engine cooling while maintaining compatibility with original equipment specifications. The single-row core thickness of 1 1/4 inches ensures adequate cooling capacity for the specified vehicle models.

Technical Description and Specifications

This radiator features a down flow core design with a single row of aluminum tubes measuring 1 1/4 inches thick, 30 1/16 inches wide, and 19 11/16 inches long. The plastic tanks are engineered to match OEM standards, ensuring proper fit and function. Both the inlet and outlet have a diameter of 1 1/4 inches and are located on the left side, facilitating straightforward hose connections. The radiator does not include a cap but is compatible with CSF cap number 4514. The overall packaging dimensions and weight support safe handling and shipping.

Common Applications and Problem Resolution

• Replacement for leaking or cracked radiators in Acura MDX, Honda Passport, Pilot, and Ridgeline
• Restores proper engine cooling to prevent overheating
• Addresses reduced cooling efficiency due to clogged or damaged cores
• Suitable for vehicles requiring a down flow radiator with specific inlet/outlet positioning
• Ideal for maintaining OEM cooling system performance with aluminum core durability

Installation Notes and Tips

Ensure compatibility with your vehicle’s make and model before installation. The radiator’s inlet and outlet are both positioned on the left side, so verify hose routing accordingly. Since the radiator does not include a cap, use the compatible CSF cap number 4514 or your vehicle’s original cap. Handle the radiator carefully to avoid damage to the aluminum core and plastic tanks during installation.

Quality Assurance and Warranty Information

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