Buy 1990 Buick Century Intercooler Pipe. 6.6 LITER DIESEL. Silverado, Sierra; 6.6L; Inlet. Inlet, Acceleration, Air - OEM Buick Part # 23282450 (12757248, 22739299, 22795678, 22878220, 23122239, 23461741)

Intercooler. Hose. Charge Air Cooler Pipe. Inlet duct.
A Pipe that transfers compressed Air to from the turbo or super Charger to the Intercooler.

Turbocharger Intercooler Pipe

Fits Sierra 2500 HD, Sierra 3500 HD, Silverado

6.6 LITER DIESEL. Silverado, Sierra; 6.6L; Inlet.
Turbocharger Intercooler Tube - Repair or Replace
If your 1990 Buick Century 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.