CSF 3900 Radiator

Overview of CSF Radiator Part Number 3900

The CSF radiator 3900 is engineered for reliable cooling performance in select Cadillac, Chevrolet, and GMC vehicles. Designed with an aluminum core and plastic tanks, this radiator supports efficient heat dissipation for models like the Escalade, Sierra 1500, and Yukon XL.

• Core thickness: 1 1/4 inches
• Core width: 19 5/16 inches
• Core length: 34 15/16 inches
• Aluminum core material with plastic tanks
• Cross flow design for optimized coolant flow
• Inlet diameter: 1 5/16 inches (left side)
• Outlet diameter: 1 9/16 inches (right side)
• Single-row radiator core
• Cap not included

Detailed Product Description

The CSF radiator 3900 features a cross flow design that enhances coolant circulation through the aluminum core, improving heat exchange efficiency. The core measures 1 1/4 inches thick, 19 5/16 inches wide, and 34 15/16 inches long, providing ample surface area for effective cooling. The plastic tanks are designed to meet OEM specifications, ensuring compatibility and durability. Inlet and outlet diameters are precisely sized at 1 5/16 inches (left) and 1 9/16 inches (right) respectively, matching factory hose connections for a straightforward installation.

Compatible Vehicles and Applications

• Cadillac Escalade and Escalade ESV
• Chevrolet Silverado 1500 and Tahoe
• GMC Sierra 1500, Yukon, and Yukon XL

This radiator is intended to replace original equipment radiators in these models, addressing cooling system issues such as overheating, coolant leaks, and reduced heat dissipation efficiency.

Common Issues Addressed by CSF Radiator 3900

• Engine overheating due to radiator core damage or clogging
• Coolant leaks from cracked or worn plastic tanks
• Reduced cooling performance from corrosion or buildup
• Failure of OEM radiator components affecting engine temperature regulation
• Incompatibility with factory hose connections due to incorrect sizing

Installation Notes and Tips

Ensure the radiator core dimensions and inlet/outlet sizes match your vehicle’s specifications before installation. The CSF 3900 radiator uses a cross flow design and OEM-style plastic tanks, so verify hose alignment and secure all clamps properly. Since the radiator cap is not included, reuse the existing cap or source a compatible replacement separately. Properly bleed the cooling system after installation to avoid air pockets and ensure optimal performance.

Quality Assurance and Warranty

CSF radiators are manufactured to meet OEM standards, using high-quality aluminum cores and durable plastic tanks. This radiator does not contain hazardous materials and is designed for long-term reliability. Warranty details should be confirmed with the distributor or manufacturer, as they may vary by region.