CSF 3705 OE Replacement Radiator Aluminum Core Plastic Tank

The CSF 3705 is an OE-quality replacement radiator engineered for 2012-2018 Volkswagen Passat models equipped with the 2.5L engine. This direct-fit radiator features a plastic tank and aluminum core construction, providing reliable cooling performance that matches original equipment specifications.

Construction Features:

• OEM-specified plastic tank and aluminum core design
• Virgin-grade engineered plastic tanks with glass-filled reinforcement for enhanced strength and durability
• High-performance brazed aluminum core with multi-louvered fin design for optimal heat dissipation
• Special-grade EPDM rubber gaskets rated to withstand extreme temperatures
• Crossflow radiator style with inlet located on upper driver side
• Core dimensions: 25 11/16" length x 15 11/16" width x 7/8" thickness
• Inlet and outlet diameter: 1 1/4 inches

Quality Assurance:

• 100% leak tested at 150% of operating pressure before leaving the factory
• Manufactured in ISO-certified facilities that supply OE manufacturers
• Undergoes rigorous hydrostatic, vacuum decay, and life-cycle testing
• 30-point fitment inspection ensures drop-in installation with no modifications
• Includes all necessary mounting points for straightforward installation

CSF Cooling, known as "The Cooling Experts," has over 30 million units sold and nearly four decades of experience in the automotive cooling industry. Every CSF radiator is engineered to provide reliable, long-lasting performance that meets or exceeds OEM standards.