aFe POWER BladeRunner GT Series Intercooler - Chevrolet Silverado / GMC Sierra 2500 HD & 3500 HD 6.6L L5P (2017-2019)

46-20331 - aFe POWER BladeRunner GT Series Intercooler - Chevrolet Silverado / GMC Sierra 2500 HD & 3500 HD 6.6L L5P (2017-2019)

The BladeRunner GT intercooler upgrades the factory core with a larger 2-5/8-inch bar-and-plate design.

• 3/16-inch TIG-welded aluminum end tanks
• Billet aluminum inlet and outlet
• Four rear 1/8-inch NPT ports for sensors or water-methanol injection
• Two lower 1/8-inch NPT drain ports
• Uses factory mounting locations; installation hardware included

Vehicle Fitment

6.6L L5P Duramax diesel: 2017-2019 Chevrolet Silverado 2500 HD and GMC Sierra 2500 HD/3500 HD; 2017-2018 Chevrolet Silverado 3500 HD. aFe's application table does not list the 2019 Silverado 3500 HD for this intercooler; confirm that application before ordering.

Emissions Notice

This product is not currently CARB exempt and is not available for purchase in California or for use on vehicles registered with the California Department of Motor Vehicles.

Circuit Spec R is an authorized aFe POWER dealer. Free shipping within the contiguous US.