CSF 3730 Radiator

Overview of CSF Radiator Part 3730 for Chevrolet and GMC

The CSF radiator part number 3730 is engineered for reliable cooling performance in Chevrolet and GMC trucks and SUVs. Designed specifically for models like the Silverado 1500, Sierra 1500, Tahoe, and Yukon, this radiator features a durable aluminum core and plastic tanks to ensure efficient heat dissipation and long service life.

• Core thickness: 1 1/4 inches for optimal cooling capacity
• Core dimensions: 34 inches length by 16 7/16 inches width
• Aluminum core material with plastic tanks for corrosion resistance
• Cross flow design with a single core row
• Inlet diameter: 1 5/16 inches (left side)
• Outlet diameter: 1 9/16 inches (right side)
• Includes a high-efficiency plate type oil cooler (11 1/2 inches)
• OEM style quick-connect oil cooler fittings

Detailed Radiator Specifications and Features

The CSF 3730 radiator is built with a 1 1/4 inch thick aluminum core that measures 34 inches in length and 16 7/16 inches in width, providing ample surface area for heat exchange. The plastic tanks are designed to resist corrosion and reduce weight, while the cross flow configuration promotes efficient coolant flow across the core. The radiator includes a high-efficiency plate type oil cooler measuring 11 1/2 inches, which helps maintain optimal engine oil temperatures. Inlet and outlet diameters are precisely sized at 1 5/16 inches (left) and 1 9/16 inches (right) respectively, ensuring compatibility with factory hoses and fittings. This radiator does not include a cap.

Compatible Vehicles and Common Applications

• Chevrolet Silverado 1500
• Chevrolet Tahoe
• GMC Sierra 1500
• GMC Sierra
• GMC Yukon

This radiator is designed to replace original equipment in these models, providing a direct fit and maintaining factory cooling system performance.

Common Cooling System Issues Addressed

• Overheating due to clogged or damaged radiator cores
• Coolant leaks from cracked or worn plastic tanks
• Reduced cooling efficiency from corrosion or core damage
• Oil temperature regulation issues related to oil cooler failure
• Incompatibility with factory hose connections causing leaks

Installation Notes and Tips

When installing the CSF radiator part number 3730, ensure all coolant is properly drained before removal of the old radiator. Verify that inlet and outlet hose diameters match the vehicle’s factory specifications to avoid leaks. The radiator features OEM style quick-connect fittings for the oil cooler, which should be securely connected to prevent oil leaks. Bleed the cooling system thoroughly after installation to remove air pockets and ensure optimal performance.

Quality Assurance and Warranty Information

CSF radiators are manufactured to meet or exceed OEM standards, using corrosion-resistant aluminum cores and durable plastic tanks. While specific warranty details are not provided here, CSF products typically come with a limited warranty covering defects in materials and workmanship. Refer to the manufacturer’s documentation for complete warranty terms.