CSF 3831 Radiator

Overview of CSF Multifit 3728 & 3653 Radiator Part 3831

The CSF Multifit 3728 & 3653 Radiator, part number 3831, is engineered for reliable cooling performance in select GM vehicles. Designed specifically for Cadillac, Chevrolet, GMC, and Hummer models, this radiator supports optimal engine temperature management under various driving conditions.

• Core thickness: 1 1/4 inches
• Core width: 17 1/4 inches
• Core length: 34 inches
• Aluminum core with plastic tanks
• Cross flow design for efficient coolant circulation
• Inlet diameter: 1 5/16 inches (left side)
• Outlet diameter: 1 9/16 inches (right side)
• Single row core construction
• Box dimensions: 42" length x 24" width x 7" height
• Box weight: 19 lbs
• High-efficiency plate type oil cooler included

Details on the Multifit 3728 & 3653 Product Line

The Multifit 3728 & 3653 product line by CSF features radiators designed with OEM-style plastic tanks combined with high-efficiency aluminum cores. This combination provides a balance of durability and effective heat dissipation. Part number 3831 belongs to this line, offering compatibility with multiple GM vehicle models while maintaining quality standards expected from CSF.

Technical Description and Features

This radiator utilizes a cross flow design, which enhances coolant flow across the core, improving heat exchange efficiency. The aluminum core measures 34 inches in length, 17 1/4 inches in width, and 1 1/4 inches in thickness, providing a robust surface area for heat dissipation. Plastic tanks reduce weight without compromising structural integrity. The inlet and outlet diameters are sized to match factory specifications, ensuring proper hose fitment and coolant flow. Additionally, the integrated high-efficiency plate type oil cooler supports engine oil temperature regulation, contributing to overall engine performance.

Compatible Vehicles and Common Applications

• Cadillac Escalade cooling system replacement
• Chevrolet Silverado 1500 and 3500 radiator upgrade
• GMC Sierra 1500 and Yukon radiator replacement
• Hummer H2 cooling system maintenance
• Chevrolet Suburban 1500 and Tahoe radiator repair

Installation Notes and Tips

When installing the CSF Multifit 3728 & 3653 radiator (part 3831), ensure all coolant hoses match the inlet and outlet diameters of 1 5/16 inches (left) and 1 9/16 inches (right). Verify the cross flow orientation aligns with the vehicle’s cooling system layout. It is recommended to drain the existing coolant completely and flush the cooling system before installation to prevent contamination. Check for proper mounting points and secure the radiator firmly to avoid vibration damage.

Quality Assurance and Warranty Information

CSF radiators, including part number 3831, are manufactured to meet or exceed OEM specifications. The use of aluminum cores and plastic tanks ensures corrosion resistance and durability. This radiator does not contain hazardous materials and is designed for long-term service. Warranty coverage details should be confirmed with the distributor or manufacturer, as they may vary by region.