Buy 1999 Chevrolet S10 2.2L Vortec M/T RWD LS Extended Cab Pickup Stepside A/C Compressor Clutch Coil Air, LINES, CONDITIONER - OEM Chevrolet Part # 89019185 (06552422, 6552422)

Coil. Clutch. Air Conditioning (A/C) Compressor.
A/C Compressor Clutch Coil. Automatic Temperature Controls. Exc.Auxiliary A/C. Part included in Compressor assembly. Part is included in Compressor assembly. Included with: Compressor, Compressor assembly, Included with Compressor assembly.

A/C Compressor Clutch Coil

Air Conditioning Compressor Clutch Assembly - Repair or Replace
If your A/C compressor works, but the clutch won’t engage, your 1999 Chevrolet S10 may need only a new compressor clutch.