Restore the cooling system in your 2020-2021 GM 6.6L Duramax L5P back to proper operation with the CSF 3938 OEM Style Replacement Auxiliary Radiator from SDS. CSF OEM style radiators are built to be a direct-fit, bolt-in replacement for a no-hassle repair. The drop-in design requires no modifications to install and works with all stock equipment including OEM hoses, brackets, and mounting points. This radiator meets or exceeds the DE performance specs of your factory Chevy Silverado or GMC Sierra 2500HD/3500HD radiator.

CSF is an industry leader in automotive cooling for both OE and the performance aftermarket. CSF tests every radiator design in-house with their state-of-the-art testing facility which includes wind tunnel, burst pressure testing, vibration testing, thermal cycle, and salt spray corrosion testing. When CSF identifies a weakness in either the OEM design or performance, a stronger solution is implemented for class-leading performance and durability. Individually pressure tested and serial # certified. Comes complete with a 1-year warranty.

FEATURES:

• Auxiliary Radiator
• Drop-In Installation
• OE-Style Replacement
• Meets or Exceeds OE Specs
• Individually Pressure Tested
• Includes 1-Year Warranty

Specifications:

• Core Length (in): 37-5/8
• Core Material: Aluminum
• Core Thickness (in): 5/8
• Core Width (in): 3
• Cross-Flow/Down-flow: Cross Flow
• Hazardous Material: No
• No. Of Rows: 1
• Radiator Cap Supplied: No
• Tech Note: O.E.M. Style All Aluminum Design