The CSF 6007 OEM+ Replacement Intercooler is manufactured from the highest quality components to provide you with the best aftermarket OE replacement intercooler available for your 2001-2005 GM/Duramax LB7/LLY. CSF is an ISO certified cooling system manufacturer with many OEM customers around the world. CSF is also known as an industry leader in automotive cooling for both OE and the performance aftermarket.

Each CSF OEM+ Intercooler is built with cast aluminum end tanks for a higher level of durability, reliability and burst pressure capabilities. Featuring a 100% TIG welded construction with an OEM style tube/fin core that matches or exceeds the performance of the OEM Intercooler. Designed to be a true "Drop-in Fit" that requires no modifications to install, this intercooler will work with all OEM components including OEM hoses, brackets, and mounting points.

Features:
•Upgraded OE Design
•Drop-In Installation
•Includes 1-Year Warranty