CSF 2020–2024 Radiator for Chevrolet Silverado 2500/3500 6.6L

CSF Heavy-Duty Aluminum Radiator - Chevy Silverado / GMC Sierra 2500/3500 HD 6.6L Duramax 2020-2024

CSF SKU: CSF3975
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The CSF heavy-duty radiator upgrades the 2020-2024 Chevy Silverado and GMC Sierra 2500/3500 HD 6.6L Duramax with a 2-row 42mm aluminum core that runs about 20% thicker than the factory 1-row 35mm unit. The crossflow design integrates both an engine oil cooler and a transmission oil cooler, and high-performance multi-louvered fins with EPDM gaskets improve cooling and durability under heavy load and towing.

Specifications

Type Heavy-duty radiator (plastic tank / aluminum core)
Material Plastic tanks, aluminum core
Core 2-row 42mm, ~20% thicker than factory 1-row 35mm
Oil Cooler Integrated engine oil cooler
Transmission Cooler Integrated transmission oil cooler
Fins High-performance multi-louvered
Part Number 3975

This part fits:

Year Make Model Submodel
2020-2024 Chevrolet Silverado All
2020-2024 GMC Sierra 2500 All
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