CSF 3947 OE Replacement Radiator Aluminum Core with Plastic Tanks

The CSF 3947 is a direct-fit OE-style replacement radiator engineered for heavy-duty truck applications. This radiator features a durable aluminum core with plastic tanks, providing efficient cooling performance and reliable operation.

Key Features:

• Aluminum core with glass-filled plastic tanks for added strength and durability
• Crossflow core design for improved heat dissipation
• Integrated transmission oil cooler included
• 1.25-inch core thickness with single-row construction
• Inlet location: upper driver side; outlet location: lower passenger side
• Multi-louvered fin design for maximum heat transfer efficiency
• EPDM rubber gaskets rated for extreme temperatures
• Overall dimensions: 30.38 inches wide x 27.75 inches tall

Quality and Testing:

CSF radiators are manufactured in ISO-certified facilities and undergo rigorous quality control testing including leak testing, vibration-cycle testing, thermal-cycle testing, wind tunnel validation, burst pressure testing, and salt spray corrosion protection testing. Each radiator is designed to provide a drop-in fit with OE-quality materials and construction.

CSF, known as "The Cooling Experts," has been manufacturing premium cooling solutions for over 50 years with more than 30 million units sold worldwide.