CSF 3491 OE Replacement Radiator Aluminum Core with Transmission Cooler

The CSF 3491 is a direct-fit, OE-style replacement radiator engineered to restore proper engine cooling performance. Built with an aluminum core and plastic end tanks, this radiator matches the original equipment design for a hassle-free, no-modification installation. An integrated transmission oil cooler is included, making it a complete cooling solution for vehicles equipped with an automatic transmission.

Key Features:

• OE-style aluminum core with plastic tanks — matches original equipment materials and construction
• Built-in automatic transmission oil cooler — eliminates the need for a separate cooler
• Individually leak tested — every unit pressure-tested before leaving the factory
• Vibration-cycle and thermal-cycle tested — validated for long-term durability under real-world conditions
• Wind tunnel tested — core fin design optimized for maximum cooling airflow efficiency
• Burst pressure and impulse-cycle tested — ensures structural integrity under high-stress conditions
• Salt spray tested — corrosion-resistant construction for extended service life
• 30-point fitment inspection — critical dimensions verified for a true drop-in fit

Cross-Reference Part Numbers: 2780, CU2780, 8012780, 21460EG20A, 21460-EG200, 92100EG000, 940014

CSF has been manufacturing high-quality radiators and cooling components for over 45 years, supplying both OE manufacturers and the aftermarket. The CSF 3491 is sold individually and is designed to meet or exceed original equipment engineering specifications.