CSF 3107 Radiator

OE-Style Radiator for GM SUV Applications

CSF radiator Part Number 3107 is an OE-style replacement built with a plastic tank and aluminum core for controlled cooling performance. It is engineered for specific GM SUV applications, including Chevrolet Trailblazer, GMC Envoy, and related models with the GBE or YEA engine.

The CSF 1 Row Plastic Tank Aluminum Core line focuses on factory-style fitment and cooling efficiency. This radiator uses a down-flow design with quick-connect oil cooler fittings, making it a direct replacement choice for vehicles that need the original layout and connection style.

Key Features

• 1-row radiator design for OE-style cooling layout
• Aluminum core with plastic tanks
• Down-flow configuration
• Quick-connect oil cooler fittings
• No radiator cap included
• Core dimensions: 27 1/16 in. wide, 18 1/8 in. long, 15/16 in. thick
• Inlet: 1 3/8 in. right; outlet: 1 9/16 in. left

Detailed Description

CSF Part Number 3107 is designed for drivers searching for a radiator for 2002-2009 Chevrolet Trailblazer, 2002-2009 GMC Envoy, 2005-2009 Saab 9-7x, 2003-2008 Isuzu Ascender, 2004-2007 Buick Rainier, 2002-2006 Chevrolet Trailblazer EXT, 2002-2006 GMC Envoy XL, 2004-2005 GMC Envoy XUV, and 2002-2004 Oldsmobile Bravada. It follows an OE-style layout with a plastic tank and aluminum core construction, and the high-efficiency plate-type oil cooler is integrated with quick-connect fittings.

CSF manufactures radiators to performance-focused standards and validates cooling performance in laboratory testing. The brand’s radiator catalog covers a wide range of vehicle applications, and this part reflects that factory-fit approach for GM SUV cooling system service.

This part cross-references Spectra Premium CU2458 and CSF 2458 for the same application.

Common Problems This Radiator Helps Address

• Overheating caused by a restricted or aging radiator core
• Coolant leaks from cracked plastic tanks or worn seams
• Reduced cooling efficiency in high-load driving
• Transmission fluid cooling concerns on vehicles using the integrated oil cooler
• Fitment issues when replacing a damaged OE-style radiator

Installation Notes and Tips

Verify inlet and outlet orientation before installation: inlet is on the right and outlet is on the left. Confirm the vehicle uses the GBE or YEA engine and matches the listed OE-style configuration before ordering. Inspect hoses, clamps, and cooling system seals during replacement, and flush the system if contamination or debris is present.

Quality Assurance

CSF radiators are produced in ISO/TSO-certified factories and are engineered for factory-style cooling performance. The brand states that its radiators are wind tunnel tested for cooling validation and built from long-running production experience across a broad vehicle catalog.