CSF 6003 Intercooler

CSF 6003 Intercooler Overview

The CSF 6003 intercooler is an OE-style replacement built with an aluminum core and aluminum tanks for direct-fit service on select Chevrolet Express and GMC Savana vans. It is engineered around a tube-and-fin core design with 3-inch inlet and outlet connections for a factory-style installation path.

• Aluminum core and aluminum tank construction
• OE-style tube and fin core design
• Core dimensions: 33 7/8 in. length, 16 1/2 in. width, 2 1/4 in. thickness
• 3 in. inlet tube and 3 in. outlet tube
• Drop-in fitment for select Express and Savana applications

Fitment and Application Details

Compatible with 2006-2016 Chevrolet Express 2500, N/A, with OE style core design and aluminum tanks. Compatible with 2006-2016 Chevrolet Express 3500, N/A, with OE style core design and aluminum tanks. Compatible with 2006-2016 GMC Savana 2500, N/A, with OE style core design and aluminum tanks. Compatible with 2006-2016 GMC Savana 3500, N/A, with OE style core design and aluminum tanks. This part cross-references GM3012112 for the same application.

CSF 6003 is built for owners replacing a factory intercooler on Chevrolet Express 2500, Chevrolet Express 3500, GMC Savana 2500, or GMC Savana 3500 vans. The OE-style tube and fin layout supports a direct replacement format, while the aluminum construction helps maintain a lightweight, serviceable design. The listed dimensions and 3-inch connections make it a practical match for vehicles that require a factory-style intercooler assembly.

Common Reasons for Replacement

• Damaged or leaking intercooler core
• Corrosion or fatigue in the original aluminum tanks
• Restricted airflow from a deteriorated tube and fin assembly
• Fitment issues after prior repair or collision damage
• Need to restore factory-style charge air cooling hardware

Installation Notes

Verify core dimensions, inlet and outlet size, and OE-style mounting points before installation. This intercooler is intended for direct replacement use on the listed Chevrolet and GMC vans, so compare the original unit to the CSF 6003 before final assembly. Confirm all charge-air connections are clean and properly seated during installation.

Quality Assurance

CSF designs this intercooler for superior performance and drop-in fitment in the listed applications. The aluminum core and aluminum tank construction follow an OE-style approach for service replacement on compatible Express and Savana models.