Shop 1991 Buick Century A/C Compressor Clutch. 2.4 liter. Equinox, Terrain; 2.4L. Air Conditioning Conditioning, Air, Liter - OEM Buick Part # 20879990

Clutch. and pulley. Kit - Air Conditioning (A/C). Air Conditioning (A/C) Compressor.
A/C Compressor Clutch. Included with: Compressor.

A/C Compressor Clutch

Fits Equinox, Terrain

2.4 liter. Equinox, Terrain; 2.4L.
Air Conditioning Compressor Clutch Assembly - Repair or Replace
If your A/C compressor works, but the clutch won’t engage, your may need only a new compressor clutch.