AC Compressor with A/C Clutch Fit for Pontiac G6 3.9L 2006, for Chevrolet Impala 3.5L 3.9L 2006-2011, Monte Carlo 3.5L 2006 2007, Malibu & Monte Carlo 3.9 2006, Replaces CO 21471LC. Compatibility withAC Compressor with A/C Clutch Fit for Pontiac G6 3.9L 2006, for Chevrolet Impala 3.5L 2006-2011, Impala 3.9L 2006-2011, Monte Carlo 3.5L 2006 2007, Malibu 3.9L 2006, Monte Carlo 3.9L 2006.