Shop Cadillac Escalade EXT Intercooler. 6.6 LITER DIESEL. Silverado, Sierra; 6.6L. Intercooler - Acceleration, Air - OEM Cadillac Part # 84424688 (23208446, 84224662)

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

Intercooler

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL. Silverado, Sierra; 6.6L.
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.