Rear Left Driver Side Door Lock Actuator Fit for Cadillac/for Chevrolet/for GMC Models – Escalade/Avalanche/Silverado/Sierra 07 08 09 10 11 12 13 14, Door Lock Actuator Motor 931-108. Reference Number – Replaces 931-108, DLA822, 15896626, 20783857, 25873488, 25876389.