Buy OEM GENERAL MOTORS Part # 12566157 (24508569). Air Filter Housing (Upper). 1999-04. 1999-04 W/O SUPERCHARGER. 3.1 LITER, 1999-2002. 3.4 LITER. 3.8 LITER. 3.8 LITER, 1999-2003, w/o

Housing. Air.
Air Filter Housing. Assembly - A/CL. Case. Cleaner body. Cover. Filter.

Air Filter Housing

Fits Century, Impala, Monte Carlo, Regal

1999-04. 1999-04 W/O SUPERCHARGER. 3.1 LITER, 1999-2002. 3.4 LITER. 3.8 LITER. 3.8 LITER, 1999-2003, w/o supercharger. 3.8 LITER, w/o supercharger.