The Chevrolet/GMC dorman 931-300 door lock actuator front driver LH fits 2006-2011 chevy impala is a linear actuator/cylinder from Chevrolet/GMC. It converts hydraulic or pneumatic pressure into linear force and motion, extending and retracting its rod to push, lift, clamp, or position a load. It is commonly in mobile equipment, packaging machinery, and hydraulic power systems.
