Shop Cadillac Escalade EXT Intercooler. 6.6 LITER DIESEL. Silverado, Sierra 2500 HD; Diesel. Silverado DIESEL, HD, Acceleration - OEM Cadillac Part # 84747171 (84012682)

Charge Air Cooler. Cooler Assembly - CHRG Air. InterCooler.
InterCooler.

Intercooler

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL. Silverado, Sierra 2500 HD; Diesel. Silverado, Sierra 3500 HD; Diesel.
Intercooler - Repair or Replace
If your is equipped with a turbo and you've noticed a reduction in acceleration or a hissing on acceleration accompanying your check engine light, your intercooler or its piping/tubes may need to be repaired or replaced.