Universal Power Door Lock Actuator Car Kit 12 Volt Linear Motor Heavy Duty New (1) Actuator (1) 6.75" Mounting Straps (1) 8.5" Connecting Rods (2) Self Tapping Screws Additional Pictured Hardware These power door lock actuators can provide a power door lock to a door that has ...Universal Power Door Lock Actuator Car Kit 12 Volt Linear Motor Heavy Duty New (1) Actuator (1) 6.75" Mounting Straps (1) 8.5" Connecting Rods (2) Self Tapping Screws Additional Pictured Hardware These power door lock actuators can provide a power door lock to a door that has manual door lock. The actuator responds to electrical signals from the alarm or keyless entry system and physically moves the vehicle's door locking rod to a locked or unlocked position. One of these actuators will be needed for each door you want to control.