Vehicle Application & Fitment: Designed for 1994 2002 model year pickup trucks in the 1500/2500/3500 series, this door actuator set provides correct alignment for front driver and passenger side doors. Works with original part numbers including 55076291AB and DLA579. Strong Metal Construction: Made with tough and reinforced metal components, these door actuators retain their form and provide long lasting service even with frequent use in challenging conditions. Restores Full Locking Function: Effectively addresses common /unlock issues by replacing worn parts, bringing back smooth movement of your truck's door mechanism with fast response time. Simple Installation: Produced as direct factory replacements with 2 pin terminals for easy installation requiring denial modifications simply remove old units and install the new actuators. Complete Set Included: Includes both front left and right door actuator assemblies (sold as a pair) to completely address replacement needs for consistent results on both cab doors.