CSF 3818 Radiator

Overview of CSF 2 Row Plastic Tank Aluminum Core Radiator

The CSF 2 Row Plastic Tank Aluminum Core Radiator, part number 3818, is engineered for reliable cooling performance in select INFINITI and Nissan vehicles. Designed specifically for models like the Armada, QX56, and QX80, this radiator combines durable materials with precise dimensions to maintain optimal engine temperature.

• Core thickness: 1 5/8 inches
• Core width: 28 11/16 inches
• Core length: 26 1/4 inches
• Aluminum core with plastic tanks
• Cross flow design for efficient coolant circulation
• Inlet and outlet diameter: 1 3/8 inches (right inlet, left outlet)
• Two-row radiator core configuration
• Cap not included; compatible with CSF cap number 4503

Detailed Product Description

This radiator features a 2 row aluminum core paired with OE-style plastic tanks, providing a balance of lightweight construction and corrosion resistance. The cross flow design enhances coolant flow across the core, improving heat dissipation for the engine. With a core thickness of 1 5/8 inches and precise core dimensions, it fits the cooling system requirements of INFINITI Armada, QX56, and QX80 models. The inlet and outlet diameters are both 1 3/8 inches, positioned on the right and left sides respectively, ensuring compatibility with factory hose connections.

The CSF 2 Row Plastic Tank Aluminum Core product line focuses on delivering OEM-style radiators that meet original equipment specifications. This line emphasizes the use of aluminum cores for efficient heat transfer combined with durable plastic tanks to reduce weight and resist corrosion, making it suitable for heavy-duty SUVs and trucks.

Applications and Problem Solving

• Replaces leaking or cracked radiators in INFINITI Armada, QX56, and QX80
• Addresses overheating issues caused by clogged or damaged cores
• Restores proper coolant flow with cross flow design
• Prevents coolant leaks from deteriorated plastic tanks
• Maintains engine temperature stability under heavy load conditions

Installation Notes and Tips

Ensure the radiator core dimensions and inlet/outlet positions match your vehicle’s specifications before installation. This radiator does not include a cap; use CSF cap number 4503 or an equivalent OEM cap. Inspect all hoses and clamps for wear and replace as necessary to prevent leaks. Properly bleed the cooling system after installation to remove air pockets and ensure efficient operation.

Quality Assurance

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 engineered for long service life in demanding automotive environments. Warranty information should be confirmed with the distributor or manufacturer.